Merge branch 'HandyOrg:master' into japanese-translation

src/Shared/HandyControl_Shared/Collections/ManualObservableCollection`1.cs

@@ -4,81 +4,80 @@ using System.Collections.ObjectModel;
 using System.Collections.Specialized;
 using System.ComponentModel;
 
-namespace HandyControl.Collections
+namespace HandyControl.Collections;
+
+[Serializable]
+public class ManualObservableCollection<T> : ObservableCollection<T>
 {
-    [Serializable]
-    public class ManualObservableCollection<T> : ObservableCollection<T>
+    private const string CountString = "Count";
+
+    private const string IndexerName = "Item[]";
+
+    private int _oldCount;
+
+    private bool _canNotify = true;
+
+    public bool CanNotify
     {
-        private const string CountString = "Count";
-
-        private const string IndexerName = "Item[]";
-
-        private int _oldCount;
-
-        private bool _canNotify = true;
-
-        public bool CanNotify
+        get => _canNotify;
+        set
         {
-            get => _canNotify;
-            set
+            _canNotify = value;
+
+            if (value)
             {
-                _canNotify = value;
-
-                if (value)
+                if (_oldCount != Count)
                 {
-                    if (_oldCount != Count)
-                    {
-                        OnPropertyChanged(new PropertyChangedEventArgs(CountString));
-                    }
-
-                    OnPropertyChanged(new PropertyChangedEventArgs(IndexerName));
-                    OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
-
-                }
-                else
-                {
-                    _oldCount = Count;
+                    OnPropertyChanged(new PropertyChangedEventArgs(CountString));
                 }
+
+                OnPropertyChanged(new PropertyChangedEventArgs(IndexerName));
+                OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
+
+            }
+            else
+            {
+                _oldCount = Count;
             }
         }
+    }
 
-        public ManualObservableCollection()
+    public ManualObservableCollection()
+    {
+
+    }
+
+    public ManualObservableCollection(List<T> list) : base(list != null ? new List<T>(list.Count) : list) => CopyFrom(list);
+
+    public ManualObservableCollection(IEnumerable<T> collection)
+    {
+        if (collection == null) throw new ArgumentNullException(nameof(collection));
+        CopyFrom(collection);
+    }
+
+    protected override void OnPropertyChanged(PropertyChangedEventArgs e)
+    {
+        if (!CanNotify) return;
+
+        base.OnPropertyChanged(e);
+    }
+
+    protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
+    {
+        if (!CanNotify) return;
+
+        base.OnCollectionChanged(e);
+    }
+
+    private void CopyFrom(IEnumerable<T> collection)
+    {
+        var items = Items;
+        if (collection != null)
         {
-
-        }
-
-        public ManualObservableCollection(List<T> list) : base(list != null ? new List<T>(list.Count) : list) => CopyFrom(list);
-
-        public ManualObservableCollection(IEnumerable<T> collection)
-        {
-            if (collection == null) throw new ArgumentNullException(nameof(collection));
-            CopyFrom(collection);
-        }
-
-        protected override void OnPropertyChanged(PropertyChangedEventArgs e)
-        {
-            if (!CanNotify) return;
-
-            base.OnPropertyChanged(e);
-        }
-
-        protected override void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
-        {
-            if (!CanNotify) return;
-
-            base.OnCollectionChanged(e);
-        }
-
-        private void CopyFrom(IEnumerable<T> collection)
-        {
-            var items = Items;
-            if (collection != null)
+            using var enumerator = collection.GetEnumerator();
+            while (enumerator.MoveNext())
             {
-                using var enumerator = collection.GetEnumerator();
-                while (enumerator.MoveNext())
-                {
-                    items.Add(enumerator.Current);
-                }
+                items.Add(enumerator.Current);
             }
         }
     }

src/Shared/HandyControl_Shared/Collections/Pool/IPool`1.cs

@@ -1,9 +1,8 @@
-namespace HandyControl.Collections
-{
-    public interface IPool<T>
-    {
-        T Acquire();
+namespace HandyControl.Collections;
 
-        bool Release(T instance);
-    }
+public interface IPool<T>
+{
+    T Acquire();
+
+    bool Release(T instance);
 }

src/Shared/HandyControl_Shared/Collections/Pool/SimplePool`1.cs

@@ -2,63 +2,62 @@
 
 using System;
 
-namespace HandyControl.Collections
+namespace HandyControl.Collections;
+
+public class SimplePool<T> : IPool<T>
 {
-    public class SimplePool<T> : IPool<T>
+    private readonly object[] _pool;
+
+    private int _poolSize;
+
+    public SimplePool(int maxPoolSize)
     {
-        private readonly object[] _pool;
-
-        private int _poolSize;
-
-        public SimplePool(int maxPoolSize)
+        if (maxPoolSize <= 0)
         {
-            if (maxPoolSize <= 0)
-            {
-                throw new ArgumentException("The max pool size must be > 0");
-            }
-            _pool = new object[maxPoolSize];
+            throw new ArgumentException("The max pool size must be > 0");
+        }
+        _pool = new object[maxPoolSize];
+    }
+
+    public virtual T Acquire()
+    {
+        if (_poolSize > 0)
+        {
+            var lastPooledIndex = _poolSize - 1;
+            var instance = (T) _pool[lastPooledIndex];
+            _pool[lastPooledIndex] = null;
+            _poolSize--;
+            return instance;
+        }
+        return default;
+    }
+
+    public virtual bool Release(T instance)
+    {
+        if (IsInPool(instance))
+        {
+            throw new Exception("Already in the pool!");
         }
 
-        public virtual T Acquire()
+        if (_poolSize < _pool.Length)
         {
-            if (_poolSize > 0)
-            {
-                var lastPooledIndex = _poolSize - 1;
-                var instance = (T) _pool[lastPooledIndex];
-                _pool[lastPooledIndex] = null;
-                _poolSize--;
-                return instance;
-            }
-            return default;
+            _pool[_poolSize] = instance;
+            _poolSize++;
+            return true;
         }
 
-        public virtual bool Release(T instance)
-        {
-            if (IsInPool(instance))
-            {
-                throw new Exception("Already in the pool!");
-            }
+        return false;
+    }
 
-            if (_poolSize < _pool.Length)
+    private bool IsInPool(T instance)
+    {
+        for (var i = 0; i < _poolSize; i++)
+        {
+            if (Equals(_pool[i], instance))
             {
-                _pool[_poolSize] = instance;
-                _poolSize++;
                 return true;
             }
-
-            return false;
-        }
-
-        private bool IsInPool(T instance)
-        {
-            for (var i = 0; i < _poolSize; i++)
-            {
-                if (Equals(_pool[i], instance))
-                {
-                    return true;
-                }
-            }
-            return false;
         }
+        return false;
     }
 }

src/Shared/HandyControl_Shared/Collections/Pool/SynchronizedPool`1.cs

@@ -1,28 +1,27 @@
-namespace HandyControl.Collections
+namespace HandyControl.Collections;
+
+public class SynchronizedPool<T> : SimplePool<T>
 {
-    public class SynchronizedPool<T> : SimplePool<T>
+    private readonly object _lockObj = new();
+
+    public SynchronizedPool(int maxPoolSize) : base(maxPoolSize)
     {
-        private readonly object _lockObj = new();
 
-        public SynchronizedPool(int maxPoolSize) : base(maxPoolSize)
+    }
+
+    public override T Acquire()
+    {
+        lock (_lockObj)
         {
-
+            return base.Acquire();
         }
+    }
 
-        public override T Acquire()
+    public override bool Release(T element)
+    {
+        lock (_lockObj)
         {
-            lock (_lockObj)
-            {
-                return base.Acquire();
-            }
-        }
-
-        public override bool Release(T element)
-        {
-            lock (_lockObj)
-            {
-                return base.Release(element);
-            }
+            return base.Release(element);
         }
     }
 }

src/Shared/HandyControl_Shared/Collections/Queue/Deque`1.cs

@@ -5,332 +5,331 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Threading;
 
-namespace HandyControl.Collections
+namespace HandyControl.Collections;
+
+[Serializable]
+public class Deque<T> : IEnumerable<T>, ICollection
 {
-    [Serializable]
-    public class Deque<T> : IEnumerable<T>, ICollection
+    [NonSerialized]
+    private object _syncRoot;
+
+    private List<T> _front;
+
+    private List<T> _back;
+
+    private int _frontDeleted;
+
+    private int _backDeleted;
+
+    public int Capacity => _front.Capacity + _back.Capacity;
+
+    public int Count => _front.Count + _back.Count - _frontDeleted - _backDeleted;
+
+    public bool IsEmpty => Count == 0;
+
+    public IEnumerable<T> Reversed
     {
-        [NonSerialized]
-        private object _syncRoot;
-
-        private List<T> _front;
-
-        private List<T> _back;
-
-        private int _frontDeleted;
-
-        private int _backDeleted;
-
-        public int Capacity => _front.Capacity + _back.Capacity;
-
-        public int Count => _front.Count + _back.Count - _frontDeleted - _backDeleted;
-
-        public bool IsEmpty => Count == 0;
-
-        public IEnumerable<T> Reversed
+        get
         {
-            get
+            if (_back.Count - _backDeleted > 0)
             {
-                if (_back.Count - _backDeleted > 0)
-                {
-                    for (var i = _back.Count - 1; i >= _backDeleted; i--) yield return _back[i];
-                }
-
-                if (_front.Count - _frontDeleted > 0)
-                {
-                    for (var i = _frontDeleted; i < _front.Count; i++) yield return _front[i];
-                }
-            }
-        }
-
-        public Deque()
-        {
-            _front = new List<T>();
-            _back = new List<T>();
-        }
-
-        public Deque(int capacity)
-        {
-            if (capacity < 0) throw new ArgumentException("Capacity cannot be negative");
-            var temp = capacity / 2;
-            var temp2 = capacity - temp;
-            _front = new List<T>(temp);
-            _back = new List<T>(temp2);
-        }
-
-        public Deque(IEnumerable<T> backCollection) : this(backCollection, null)
-        {
-
-        }
-
-        public Deque(IEnumerable<T> backCollection, IEnumerable<T> frontCollection)
-        {
-            if (backCollection == null && frontCollection == null) throw new ArgumentException("Collections cannot both be null");
-
-            _front = frontCollection != null ? new List<T>(frontCollection) : new List<T>();
-            _back = backCollection != null ? new List<T>(backCollection) : new List<T>();
-        }
-
-        public void AddFirst(T item)
-        {
-            if (_frontDeleted > 0 && _front.Count == _front.Capacity)
-            {
-                _front.RemoveRange(0, _frontDeleted);
-                _frontDeleted = 0;
+                for (var i = _back.Count - 1; i >= _backDeleted; i--) yield return _back[i];
             }
 
-            _front.Add(item);
-        }
-
-        public void AddLast(T item)
-        {
-            if (_backDeleted > 0 && _back.Count == _back.Capacity)
+            if (_front.Count - _frontDeleted > 0)
             {
-                _back.RemoveRange(0, _backDeleted);
-                _backDeleted = 0;
+                for (var i = _frontDeleted; i < _front.Count; i++) yield return _front[i];
             }
-
-            _back.Add(item);
         }
+    }
 
-        public void AddRangeFirst(IEnumerable<T> range)
+    public Deque()
+    {
+        _front = new List<T>();
+        _back = new List<T>();
+    }
+
+    public Deque(int capacity)
+    {
+        if (capacity < 0) throw new ArgumentException("Capacity cannot be negative");
+        var temp = capacity / 2;
+        var temp2 = capacity - temp;
+        _front = new List<T>(temp);
+        _back = new List<T>(temp2);
+    }
+
+    public Deque(IEnumerable<T> backCollection) : this(backCollection, null)
+    {
+
+    }
+
+    public Deque(IEnumerable<T> backCollection, IEnumerable<T> frontCollection)
+    {
+        if (backCollection == null && frontCollection == null) throw new ArgumentException("Collections cannot both be null");
+
+        _front = frontCollection != null ? new List<T>(frontCollection) : new List<T>();
+        _back = backCollection != null ? new List<T>(backCollection) : new List<T>();
+    }
+
+    public void AddFirst(T item)
+    {
+        if (_frontDeleted > 0 && _front.Count == _front.Capacity)
         {
-            if (range == null) return;
-
-            foreach (var item in range) AddFirst(item);
-        }
-
-        public void AddRangeLast(IEnumerable<T> range)
-        {
-            if (range == null) return;
-
-            foreach (var item in range) AddLast(item);
-        }
-
-        public void Clear()
-        {
-            _front.Clear();
-            _back.Clear();
+            _front.RemoveRange(0, _frontDeleted);
             _frontDeleted = 0;
+        }
+
+        _front.Add(item);
+    }
+
+    public void AddLast(T item)
+    {
+        if (_backDeleted > 0 && _back.Count == _back.Capacity)
+        {
+            _back.RemoveRange(0, _backDeleted);
             _backDeleted = 0;
         }
 
-        public bool Contains(T item)
-        {
-            for (var i = _frontDeleted; i < _front.Count; i++)
-            {
-                if (Equals(_front[i], item)) return true;
-            }
-
-            for (var i = _backDeleted; i < _back.Count; i++)
-            {
-                if (Equals(_back[i], item)) return true;
-            }
-
-            return false;
-        }
-
-        public void CopyTo(T[] array, int index)
-        {
-            if (array == null) throw new ArgumentNullException("Array cannot be null");
-            if (index < 0) throw new ArgumentOutOfRangeException("Index cannot be negative");
-            if (array.Length < index + Count) throw new ArgumentException("Index is invalid");
-            var i = index;
-
-            foreach (var item in this)
-            {
-                array[i++] = item;
-            }
-        }
-
-        public IEnumerator<T> GetEnumerator()
-        {
-            if (_front.Count - _frontDeleted > 0)
-            {
-                for (var i = _front.Count - 1; i >= _frontDeleted; i--) yield return _front[i];
-            }
-
-            if (_back.Count - _backDeleted > 0)
-            {
-                for (var i = _backDeleted; i < _back.Count; i++) yield return _back[i];
-            }
-        }
-
-        public T PeekFirst()
-        {
-            if (_front.Count > _frontDeleted)
-            {
-                return _front[_front.Count - 1];
-            }
-
-            if (_back.Count > _backDeleted)
-            {
-                return _back[_backDeleted];
-            }
-
-            throw new InvalidOperationException("Can't peek at empty Deque");
-        }
-
-        public T PeekLast()
-        {
-            if (_back.Count > _backDeleted)
-            {
-                return _back[_back.Count - 1];
-            }
-
-            if (_front.Count > _frontDeleted)
-            {
-                return _front[_frontDeleted];
-            }
-
-            throw new InvalidOperationException("Can't peek at empty Deque");
-        }
-
-        public T PopFirst()
-        {
-            T result;
-
-            if (_front.Count > _frontDeleted)
-            {
-                result = _front[_front.Count - 1];
-                _front.RemoveAt(_front.Count - 1);
-            }
-            else if (_back.Count > _backDeleted)
-            {
-                result = _back[_backDeleted];
-                _backDeleted++;
-            }
-            else
-            {
-                throw new InvalidOperationException("Can't pop empty Deque");
-            }
-
-            return result;
-        }
-
-
-        public T PopLast()
-        {
-            T result;
-
-            if (_back.Count > _backDeleted)
-            {
-                result = _back[_back.Count - 1];
-                _back.RemoveAt(_back.Count - 1);
-            }
-            else if (_front.Count > _frontDeleted)
-            {
-                result = _front[_frontDeleted];
-                _frontDeleted++;
-            }
-            else
-            {
-                throw new InvalidOperationException("Can't pop empty Deque");
-            }
-
-            return result;
-        }
-
-        public void Reverse()
-        {
-            var temp = _front;
-            _front = _back;
-            _back = temp;
-            var temp2 = _frontDeleted;
-            _frontDeleted = _backDeleted;
-            _backDeleted = temp2;
-        }
-
-        public T[] ToArray()
-        {
-            if (Count == 0) return new T[0];
-            var result = new T[Count];
-            CopyTo(result, 0);
-            return result;
-        }
-
-        public void TrimExcess()
-        {
-            if (_frontDeleted > 0)
-            {
-                _front.RemoveRange(0, _frontDeleted);
-                _frontDeleted = 0;
-            }
-
-            if (_backDeleted > 0)
-            {
-                _back.RemoveRange(0, _backDeleted);
-                _backDeleted = 0;
-            }
-
-            _front.TrimExcess();
-            _back.TrimExcess();
-        }
-
-        public bool TryPeekFirst(out T item)
-        {
-            if (!IsEmpty)
-            {
-                item = PeekFirst();
-                return true;
-            }
-
-            item = default;
-            return false;
-        }
-
-        public bool TryPeekLast(out T item)
-        {
-            if (!IsEmpty)
-            {
-                item = PeekLast();
-                return true;
-            }
-
-            item = default;
-            return false;
-        }
-
-        public bool TryPopFirst(out T item)
-        {
-            if (!IsEmpty)
-            {
-                item = PopFirst();
-                return true;
-            }
-
-            item = default;
-            return false;
-        }
-
-        public bool TryPopLast(out T item)
-        {
-            if (!IsEmpty)
-            {
-                item = PopLast();
-                return true;
-            }
-
-            item = default;
-            return false;
-        }
-
-        bool ICollection.IsSynchronized => false;
-
-        object ICollection.SyncRoot
-        {
-            get
-            {
-                if (_syncRoot == null)
-                {
-                    Interlocked.CompareExchange<object>(ref _syncRoot, new object(), null);
-                }
-                return _syncRoot;
-            }
-        }
-
-        void ICollection.CopyTo(Array array, int index) => CopyTo((T[]) array, index);
-
-        IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
+        _back.Add(item);
     }
+
+    public void AddRangeFirst(IEnumerable<T> range)
+    {
+        if (range == null) return;
+
+        foreach (var item in range) AddFirst(item);
+    }
+
+    public void AddRangeLast(IEnumerable<T> range)
+    {
+        if (range == null) return;
+
+        foreach (var item in range) AddLast(item);
+    }
+
+    public void Clear()
+    {
+        _front.Clear();
+        _back.Clear();
+        _frontDeleted = 0;
+        _backDeleted = 0;
+    }
+
+    public bool Contains(T item)
+    {
+        for (var i = _frontDeleted; i < _front.Count; i++)
+        {
+            if (Equals(_front[i], item)) return true;
+        }
+
+        for (var i = _backDeleted; i < _back.Count; i++)
+        {
+            if (Equals(_back[i], item)) return true;
+        }
+
+        return false;
+    }
+
+    public void CopyTo(T[] array, int index)
+    {
+        if (array == null) throw new ArgumentNullException("Array cannot be null");
+        if (index < 0) throw new ArgumentOutOfRangeException("Index cannot be negative");
+        if (array.Length < index + Count) throw new ArgumentException("Index is invalid");
+        var i = index;
+
+        foreach (var item in this)
+        {
+            array[i++] = item;
+        }
+    }
+
+    public IEnumerator<T> GetEnumerator()
+    {
+        if (_front.Count - _frontDeleted > 0)
+        {
+            for (var i = _front.Count - 1; i >= _frontDeleted; i--) yield return _front[i];
+        }
+
+        if (_back.Count - _backDeleted > 0)
+        {
+            for (var i = _backDeleted; i < _back.Count; i++) yield return _back[i];
+        }
+    }
+
+    public T PeekFirst()
+    {
+        if (_front.Count > _frontDeleted)
+        {
+            return _front[_front.Count - 1];
+        }
+
+        if (_back.Count > _backDeleted)
+        {
+            return _back[_backDeleted];
+        }
+
+        throw new InvalidOperationException("Can't peek at empty Deque");
+    }
+
+    public T PeekLast()
+    {
+        if (_back.Count > _backDeleted)
+        {
+            return _back[_back.Count - 1];
+        }
+
+        if (_front.Count > _frontDeleted)
+        {
+            return _front[_frontDeleted];
+        }
+
+        throw new InvalidOperationException("Can't peek at empty Deque");
+    }
+
+    public T PopFirst()
+    {
+        T result;
+
+        if (_front.Count > _frontDeleted)
+        {
+            result = _front[_front.Count - 1];
+            _front.RemoveAt(_front.Count - 1);
+        }
+        else if (_back.Count > _backDeleted)
+        {
+            result = _back[_backDeleted];
+            _backDeleted++;
+        }
+        else
+        {
+            throw new InvalidOperationException("Can't pop empty Deque");
+        }
+
+        return result;
+    }
+
+
+    public T PopLast()
+    {
+        T result;
+
+        if (_back.Count > _backDeleted)
+        {
+            result = _back[_back.Count - 1];
+            _back.RemoveAt(_back.Count - 1);
+        }
+        else if (_front.Count > _frontDeleted)
+        {
+            result = _front[_frontDeleted];
+            _frontDeleted++;
+        }
+        else
+        {
+            throw new InvalidOperationException("Can't pop empty Deque");
+        }
+
+        return result;
+    }
+
+    public void Reverse()
+    {
+        var temp = _front;
+        _front = _back;
+        _back = temp;
+        var temp2 = _frontDeleted;
+        _frontDeleted = _backDeleted;
+        _backDeleted = temp2;
+    }
+
+    public T[] ToArray()
+    {
+        if (Count == 0) return new T[0];
+        var result = new T[Count];
+        CopyTo(result, 0);
+        return result;
+    }
+
+    public void TrimExcess()
+    {
+        if (_frontDeleted > 0)
+        {
+            _front.RemoveRange(0, _frontDeleted);
+            _frontDeleted = 0;
+        }
+
+        if (_backDeleted > 0)
+        {
+            _back.RemoveRange(0, _backDeleted);
+            _backDeleted = 0;
+        }
+
+        _front.TrimExcess();
+        _back.TrimExcess();
+    }
+
+    public bool TryPeekFirst(out T item)
+    {
+        if (!IsEmpty)
+        {
+            item = PeekFirst();
+            return true;
+        }
+
+        item = default;
+        return false;
+    }
+
+    public bool TryPeekLast(out T item)
+    {
+        if (!IsEmpty)
+        {
+            item = PeekLast();
+            return true;
+        }
+
+        item = default;
+        return false;
+    }
+
+    public bool TryPopFirst(out T item)
+    {
+        if (!IsEmpty)
+        {
+            item = PopFirst();
+            return true;
+        }
+
+        item = default;
+        return false;
+    }
+
+    public bool TryPopLast(out T item)
+    {
+        if (!IsEmpty)
+        {
+            item = PopLast();
+            return true;
+        }
+
+        item = default;
+        return false;
+    }
+
+    bool ICollection.IsSynchronized => false;
+
+    object ICollection.SyncRoot
+    {
+        get
+        {
+            if (_syncRoot == null)
+            {
+                Interlocked.CompareExchange<object>(ref _syncRoot, new object(), null);
+            }
+            return _syncRoot;
+        }
+    }
+
+    void ICollection.CopyTo(Array array, int index) => CopyTo((T[]) array, index);
+
+    IEnumerator IEnumerable.GetEnumerator() => GetEnumerator();
 }

src/Shared/HandyControl_Shared/Controls/Attach/BackgroundSwitchElement.cs

@@ -1,22 +1,21 @@
 using System.Windows;
 using System.Windows.Media;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class BackgroundSwitchElement
 {
-    public class BackgroundSwitchElement
-    {
-        public static readonly DependencyProperty MouseHoverBackgroundProperty = DependencyProperty.RegisterAttached(
-            "MouseHoverBackground", typeof(Brush), typeof(BackgroundSwitchElement), new FrameworkPropertyMetadata(Brushes.Transparent, FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty MouseHoverBackgroundProperty = DependencyProperty.RegisterAttached(
+        "MouseHoverBackground", typeof(Brush), typeof(BackgroundSwitchElement), new FrameworkPropertyMetadata(Brushes.Transparent, FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetMouseHoverBackground(DependencyObject element, Brush value) => element.SetValue(MouseHoverBackgroundProperty, value);
+    public static void SetMouseHoverBackground(DependencyObject element, Brush value) => element.SetValue(MouseHoverBackgroundProperty, value);
 
-        public static Brush GetMouseHoverBackground(DependencyObject element) => (Brush) element.GetValue(MouseHoverBackgroundProperty);
+    public static Brush GetMouseHoverBackground(DependencyObject element) => (Brush) element.GetValue(MouseHoverBackgroundProperty);
 
-        public static readonly DependencyProperty MouseDownBackgroundProperty = DependencyProperty.RegisterAttached(
-            "MouseDownBackground", typeof(Brush), typeof(BackgroundSwitchElement), new FrameworkPropertyMetadata(Brushes.Transparent, FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty MouseDownBackgroundProperty = DependencyProperty.RegisterAttached(
+        "MouseDownBackground", typeof(Brush), typeof(BackgroundSwitchElement), new FrameworkPropertyMetadata(Brushes.Transparent, FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetMouseDownBackground(DependencyObject element, Brush value) => element.SetValue(MouseDownBackgroundProperty, value);
+    public static void SetMouseDownBackground(DependencyObject element, Brush value) => element.SetValue(MouseDownBackgroundProperty, value);
 
-        public static Brush GetMouseDownBackground(DependencyObject element) => (Brush) element.GetValue(MouseDownBackgroundProperty);
-    }
+    public static Brush GetMouseDownBackground(DependencyObject element) => (Brush) element.GetValue(MouseDownBackgroundProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/BorderElement.cs

@@ -4,47 +4,46 @@ using System.Windows.Data;
 using HandyControl.Data;
 using HandyControl.Tools.Converter;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class BorderElement
 {
-    public class BorderElement
+    public static readonly DependencyProperty CornerRadiusProperty = DependencyProperty.RegisterAttached(
+        "CornerRadius", typeof(CornerRadius), typeof(BorderElement), new FrameworkPropertyMetadata(default(CornerRadius), FrameworkPropertyMetadataOptions.Inherits));
+
+    public static void SetCornerRadius(DependencyObject element, CornerRadius value) => element.SetValue(CornerRadiusProperty, value);
+
+    public static CornerRadius GetCornerRadius(DependencyObject element) => (CornerRadius) element.GetValue(CornerRadiusProperty);
+
+    public static readonly DependencyProperty CircularProperty = DependencyProperty.RegisterAttached(
+        "Circular", typeof(bool), typeof(BorderElement), new PropertyMetadata(ValueBoxes.FalseBox, OnCircularChanged));
+
+    private static void OnCircularChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        public static readonly DependencyProperty CornerRadiusProperty = DependencyProperty.RegisterAttached(
-            "CornerRadius", typeof(CornerRadius), typeof(BorderElement), new FrameworkPropertyMetadata(default(CornerRadius), FrameworkPropertyMetadataOptions.Inherits));
-
-        public static void SetCornerRadius(DependencyObject element, CornerRadius value) => element.SetValue(CornerRadiusProperty, value);
-
-        public static CornerRadius GetCornerRadius(DependencyObject element) => (CornerRadius) element.GetValue(CornerRadiusProperty);
-
-        public static readonly DependencyProperty CircularProperty = DependencyProperty.RegisterAttached(
-            "Circular", typeof(bool), typeof(BorderElement), new PropertyMetadata(ValueBoxes.FalseBox, OnCircularChanged));
-
-        private static void OnCircularChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (d is Border border)
         {
-            if (d is Border border)
+            if ((bool) e.NewValue)
             {
-                if ((bool) e.NewValue)
+                var binding = new MultiBinding
                 {
-                    var binding = new MultiBinding
-                    {
-                        Converter = new BorderCircularConverter()
-                    };
-                    binding.Bindings.Add(new Binding(FrameworkElement.ActualWidthProperty.Name) { Source = border });
-                    binding.Bindings.Add(new Binding(FrameworkElement.ActualHeightProperty.Name) { Source = border });
-                    border.SetBinding(Border.CornerRadiusProperty, binding);
-                }
-                else
-                {
-                    BindingOperations.ClearBinding(border, FrameworkElement.ActualWidthProperty);
-                    BindingOperations.ClearBinding(border, FrameworkElement.ActualHeightProperty);
-                    BindingOperations.ClearBinding(border, Border.CornerRadiusProperty);
-                }
+                    Converter = new BorderCircularConverter()
+                };
+                binding.Bindings.Add(new Binding(FrameworkElement.ActualWidthProperty.Name) { Source = border });
+                binding.Bindings.Add(new Binding(FrameworkElement.ActualHeightProperty.Name) { Source = border });
+                border.SetBinding(Border.CornerRadiusProperty, binding);
+            }
+            else
+            {
+                BindingOperations.ClearBinding(border, FrameworkElement.ActualWidthProperty);
+                BindingOperations.ClearBinding(border, FrameworkElement.ActualHeightProperty);
+                BindingOperations.ClearBinding(border, Border.CornerRadiusProperty);
             }
         }
-
-        public static void SetCircular(DependencyObject element, bool value)
-            => element.SetValue(CircularProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetCircular(DependencyObject element)
-            => (bool) element.GetValue(CircularProperty);
     }
+
+    public static void SetCircular(DependencyObject element, bool value)
+        => element.SetValue(CircularProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetCircular(DependencyObject element)
+        => (bool) element.GetValue(CircularProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/DataGridAttach.cs

@@ -5,345 +5,344 @@ using System.Windows.Controls.Primitives;
 using System.Windows.Input;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class DataGridAttach
 {
-    public class DataGridAttach
+    public static readonly DependencyProperty ApplyDefaultStyleProperty = DependencyProperty.RegisterAttached(
+        "ApplyDefaultStyle", typeof(bool), typeof(DataGridAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnApplyDefaultStyleChanged));
+
+    private static void OnApplyDefaultStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        public static readonly DependencyProperty ApplyDefaultStyleProperty = DependencyProperty.RegisterAttached(
-            "ApplyDefaultStyle", typeof(bool), typeof(DataGridAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnApplyDefaultStyleChanged));
-
-        private static void OnApplyDefaultStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        var grid = (DataGrid) d;
+        if ((bool) e.NewValue)
         {
-            var grid = (DataGrid) d;
-            if ((bool) e.NewValue)
+            if (grid.AutoGenerateColumns)
             {
-                if (grid.AutoGenerateColumns)
-                {
-                    grid.AutoGeneratedColumns += Grid_AutoGeneratedColumns;
-                    return;
-                }
-
-                UpdateTextColumnStyles(grid);
-                UpdateComboBoxColumnStyles(grid);
-                UpdateCheckBoxColumnStyles(grid);
+                grid.AutoGeneratedColumns += Grid_AutoGeneratedColumns;
+                return;
             }
-            else
-            {
-                grid.AutoGeneratedColumns -= Grid_AutoGeneratedColumns;
-            }
-        }
 
-        private static void Grid_AutoGeneratedColumns(object sender, System.EventArgs e)
-        {
-            var grid = (DataGrid) sender;
             UpdateTextColumnStyles(grid);
             UpdateComboBoxColumnStyles(grid);
             UpdateCheckBoxColumnStyles(grid);
         }
-
-        public static void SetApplyDefaultStyle(DependencyObject element, bool value)
-            => element.SetValue(ApplyDefaultStyleProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetApplyDefaultStyle(DependencyObject element)
-            => (bool) element.GetValue(ApplyDefaultStyleProperty);
-
-        public static readonly DependencyProperty TextColumnStyleProperty = DependencyProperty.RegisterAttached(
-            "TextColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnTextColumnStyleChanged));
-
-        private static void OnTextColumnStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        else
         {
-            var grid = (DataGrid) d;
-            if (e.OldValue == null && e.NewValue != null)
+            grid.AutoGeneratedColumns -= Grid_AutoGeneratedColumns;
+        }
+    }
+
+    private static void Grid_AutoGeneratedColumns(object sender, System.EventArgs e)
+    {
+        var grid = (DataGrid) sender;
+        UpdateTextColumnStyles(grid);
+        UpdateComboBoxColumnStyles(grid);
+        UpdateCheckBoxColumnStyles(grid);
+    }
+
+    public static void SetApplyDefaultStyle(DependencyObject element, bool value)
+        => element.SetValue(ApplyDefaultStyleProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetApplyDefaultStyle(DependencyObject element)
+        => (bool) element.GetValue(ApplyDefaultStyleProperty);
+
+    public static readonly DependencyProperty TextColumnStyleProperty = DependencyProperty.RegisterAttached(
+        "TextColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnTextColumnStyleChanged));
+
+    private static void OnTextColumnStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var grid = (DataGrid) d;
+        if (e.OldValue == null && e.NewValue != null)
+        {
+            UpdateTextColumnStyles(grid);
+        }
+    }
+
+    public static void SetTextColumnStyle(DependencyObject element, Style value) => element.SetValue(TextColumnStyleProperty, value);
+
+    public static Style GetTextColumnStyle(DependencyObject element) => (Style) element.GetValue(TextColumnStyleProperty);
+
+    public static readonly DependencyProperty EditingTextColumnStyleProperty = DependencyProperty.RegisterAttached(
+        "EditingTextColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnTextColumnStyleChanged));
+
+    public static void SetEditingTextColumnStyle(DependencyObject element, Style value) => element.SetValue(EditingTextColumnStyleProperty, value);
+
+    public static Style GetEditingTextColumnStyle(DependencyObject element) => (Style) element.GetValue(EditingTextColumnStyleProperty);
+
+    private static void UpdateTextColumnStyles(DataGrid grid)
+    {
+        var textColumnStyle = GetTextColumnStyle(grid);
+        var editingTextColumnStyle = GetEditingTextColumnStyle(grid);
+
+        if (textColumnStyle != null)
+        {
+            foreach (var column in grid.Columns.OfType<DataGridTextColumn>())
             {
-                UpdateTextColumnStyles(grid);
+                var elementStyle = new Style
+                {
+                    BasedOn = column.ElementStyle,
+                    TargetType = textColumnStyle.TargetType
+                };
+
+                foreach (var setter in textColumnStyle.Setters.OfType<Setter>())
+                {
+                    elementStyle.Setters.Add(setter);
+                }
+
+                column.ElementStyle = elementStyle;
             }
         }
 
-        public static void SetTextColumnStyle(DependencyObject element, Style value) => element.SetValue(TextColumnStyleProperty, value);
-
-        public static Style GetTextColumnStyle(DependencyObject element) => (Style) element.GetValue(TextColumnStyleProperty);
-
-        public static readonly DependencyProperty EditingTextColumnStyleProperty = DependencyProperty.RegisterAttached(
-            "EditingTextColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnTextColumnStyleChanged));
-
-        public static void SetEditingTextColumnStyle(DependencyObject element, Style value) => element.SetValue(EditingTextColumnStyleProperty, value);
-
-        public static Style GetEditingTextColumnStyle(DependencyObject element) => (Style) element.GetValue(EditingTextColumnStyleProperty);
-
-        private static void UpdateTextColumnStyles(DataGrid grid)
+        if (editingTextColumnStyle != null)
         {
-            var textColumnStyle = GetTextColumnStyle(grid);
-            var editingTextColumnStyle = GetEditingTextColumnStyle(grid);
-
-            if (textColumnStyle != null)
+            foreach (var column in grid.Columns.OfType<DataGridTextColumn>())
             {
-                foreach (var column in grid.Columns.OfType<DataGridTextColumn>())
+                var editingElementStyle = new Style
                 {
-                    var elementStyle = new Style
-                    {
-                        BasedOn = column.ElementStyle,
-                        TargetType = textColumnStyle.TargetType
-                    };
+                    BasedOn = column.EditingElementStyle,
+                    TargetType = editingTextColumnStyle.TargetType
+                };
 
-                    foreach (var setter in textColumnStyle.Setters.OfType<Setter>())
-                    {
-                        elementStyle.Setters.Add(setter);
-                    }
-
-                    column.ElementStyle = elementStyle;
+                foreach (var setter in editingTextColumnStyle.Setters.OfType<Setter>())
+                {
+                    editingElementStyle.Setters.Add(setter);
                 }
+
+                column.EditingElementStyle = editingElementStyle;
             }
+        }
+    }
 
-            if (editingTextColumnStyle != null)
+    public static readonly DependencyProperty ComboBoxColumnStyleProperty = DependencyProperty.RegisterAttached(
+        "ComboBoxColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnComboBoxColumnStyleChanged));
+
+    private static void OnComboBoxColumnStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var grid = (DataGrid) d;
+        if (e.OldValue == null && e.NewValue != null)
+        {
+            UpdateComboBoxColumnStyles(grid);
+        }
+    }
+
+    public static void SetComboBoxColumnStyle(DependencyObject element, Style value) => element.SetValue(ComboBoxColumnStyleProperty, value);
+
+    public static Style GetComboBoxColumnStyle(DependencyObject element) => (Style) element.GetValue(ComboBoxColumnStyleProperty);
+
+    public static readonly DependencyProperty EditingComboBoxColumnStyleProperty = DependencyProperty.RegisterAttached(
+        "EditingComboBoxColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnComboBoxColumnStyleChanged));
+
+    public static void SetEditingComboBoxColumnStyle(DependencyObject element, Style value) => element.SetValue(EditingComboBoxColumnStyleProperty, value);
+
+    public static Style GetEditingComboBoxColumnStyle(DependencyObject element) => (Style) element.GetValue(EditingComboBoxColumnStyleProperty);
+
+    private static void UpdateComboBoxColumnStyles(DataGrid grid)
+    {
+        var comboBoxColumnStyle = GetComboBoxColumnStyle(grid);
+        var editingComboBoxColumnStyle = GetEditingComboBoxColumnStyle(grid);
+
+        if (comboBoxColumnStyle != null)
+        {
+            foreach (var column in grid.Columns.OfType<DataGridComboBoxColumn>())
             {
-                foreach (var column in grid.Columns.OfType<DataGridTextColumn>())
+                var elementStyle = new Style
                 {
-                    var editingElementStyle = new Style
-                    {
-                        BasedOn = column.EditingElementStyle,
-                        TargetType = editingTextColumnStyle.TargetType
-                    };
+                    BasedOn = column.ElementStyle,
+                    TargetType = comboBoxColumnStyle.TargetType
+                };
 
-                    foreach (var setter in editingTextColumnStyle.Setters.OfType<Setter>())
-                    {
-                        editingElementStyle.Setters.Add(setter);
-                    }
-
-                    column.EditingElementStyle = editingElementStyle;
+                foreach (var setter in comboBoxColumnStyle.Setters.OfType<Setter>())
+                {
+                    elementStyle.Setters.Add(setter);
                 }
+
+                column.ElementStyle = elementStyle;
             }
         }
 
-        public static readonly DependencyProperty ComboBoxColumnStyleProperty = DependencyProperty.RegisterAttached(
-            "ComboBoxColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnComboBoxColumnStyleChanged));
-
-        private static void OnComboBoxColumnStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (editingComboBoxColumnStyle != null)
         {
-            var grid = (DataGrid) d;
-            if (e.OldValue == null && e.NewValue != null)
+            foreach (var column in grid.Columns.OfType<DataGridComboBoxColumn>())
             {
-                UpdateComboBoxColumnStyles(grid);
+                var editingElementStyle = new Style
+                {
+                    BasedOn = column.EditingElementStyle,
+                    TargetType = editingComboBoxColumnStyle.TargetType
+                };
+
+                foreach (var setter in editingComboBoxColumnStyle.Setters.OfType<Setter>())
+                {
+                    editingElementStyle.Setters.Add(setter);
+                }
+
+                column.EditingElementStyle = editingElementStyle;
+            }
+        }
+    }
+
+    public static readonly DependencyProperty CheckBoxColumnStyleProperty = DependencyProperty.RegisterAttached(
+        "CheckBoxColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnCheckBoxColumnStyleChanged));
+
+    private static void OnCheckBoxColumnStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var grid = (DataGrid) d;
+        if (e.OldValue == null && e.NewValue != null)
+        {
+            UpdateCheckBoxColumnStyles(grid);
+        }
+    }
+
+    public static void SetCheckBoxColumnStyle(DependencyObject element, Style value) => element.SetValue(CheckBoxColumnStyleProperty, value);
+
+    public static Style GetCheckBoxColumnStyle(DependencyObject element) => (Style) element.GetValue(CheckBoxColumnStyleProperty);
+
+    public static readonly DependencyProperty EditingCheckBoxColumnStyleProperty = DependencyProperty.RegisterAttached(
+        "EditingCheckBoxColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnCheckBoxColumnStyleChanged));
+
+    public static void SetEditingCheckBoxColumnStyle(DependencyObject element, Style value) => element.SetValue(EditingCheckBoxColumnStyleProperty, value);
+
+    public static Style GetEditingCheckBoxColumnStyle(DependencyObject element) => (Style) element.GetValue(EditingCheckBoxColumnStyleProperty);
+
+    private static void UpdateCheckBoxColumnStyles(DataGrid grid)
+    {
+        var checkBoxColumnStyle = GetCheckBoxColumnStyle(grid);
+        var editingCheckBoxColumnStyle = GetEditingCheckBoxColumnStyle(grid);
+
+        if (checkBoxColumnStyle != null)
+        {
+            foreach (var column in grid.Columns.OfType<DataGridCheckBoxColumn>())
+            {
+                var elementStyle = new Style
+                {
+                    BasedOn = column.ElementStyle,
+                    TargetType = checkBoxColumnStyle.TargetType
+                };
+
+                foreach (var setter in checkBoxColumnStyle.Setters.OfType<Setter>())
+                {
+                    elementStyle.Setters.Add(setter);
+                }
+
+                column.ElementStyle = elementStyle;
             }
         }
 
-        public static void SetComboBoxColumnStyle(DependencyObject element, Style value) => element.SetValue(ComboBoxColumnStyleProperty, value);
-
-        public static Style GetComboBoxColumnStyle(DependencyObject element) => (Style) element.GetValue(ComboBoxColumnStyleProperty);
-
-        public static readonly DependencyProperty EditingComboBoxColumnStyleProperty = DependencyProperty.RegisterAttached(
-            "EditingComboBoxColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnComboBoxColumnStyleChanged));
-
-        public static void SetEditingComboBoxColumnStyle(DependencyObject element, Style value) => element.SetValue(EditingComboBoxColumnStyleProperty, value);
-
-        public static Style GetEditingComboBoxColumnStyle(DependencyObject element) => (Style) element.GetValue(EditingComboBoxColumnStyleProperty);
-
-        private static void UpdateComboBoxColumnStyles(DataGrid grid)
+        if (editingCheckBoxColumnStyle != null)
         {
-            var comboBoxColumnStyle = GetComboBoxColumnStyle(grid);
-            var editingComboBoxColumnStyle = GetEditingComboBoxColumnStyle(grid);
-
-            if (comboBoxColumnStyle != null)
+            foreach (var column in grid.Columns.OfType<DataGridCheckBoxColumn>())
             {
-                foreach (var column in grid.Columns.OfType<DataGridComboBoxColumn>())
+                var editingElementStyle = new Style
                 {
-                    var elementStyle = new Style
-                    {
-                        BasedOn = column.ElementStyle,
-                        TargetType = comboBoxColumnStyle.TargetType
-                    };
+                    BasedOn = column.EditingElementStyle,
+                    TargetType = editingCheckBoxColumnStyle.TargetType
+                };
 
-                    foreach (var setter in comboBoxColumnStyle.Setters.OfType<Setter>())
-                    {
-                        elementStyle.Setters.Add(setter);
-                    }
-
-                    column.ElementStyle = elementStyle;
-                }
-            }
-
-            if (editingComboBoxColumnStyle != null)
-            {
-                foreach (var column in grid.Columns.OfType<DataGridComboBoxColumn>())
+                foreach (var setter in editingCheckBoxColumnStyle.Setters.OfType<Setter>())
                 {
-                    var editingElementStyle = new Style
-                    {
-                        BasedOn = column.EditingElementStyle,
-                        TargetType = editingComboBoxColumnStyle.TargetType
-                    };
-
-                    foreach (var setter in editingComboBoxColumnStyle.Setters.OfType<Setter>())
-                    {
-                        editingElementStyle.Setters.Add(setter);
-                    }
-
-                    column.EditingElementStyle = editingElementStyle;
+                    editingElementStyle.Setters.Add(setter);
                 }
+
+                column.EditingElementStyle = editingElementStyle;
             }
         }
+    }
 
-        public static readonly DependencyProperty CheckBoxColumnStyleProperty = DependencyProperty.RegisterAttached(
-            "CheckBoxColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnCheckBoxColumnStyleChanged));
+    public static DependencyProperty ShowRowNumberProperty = DependencyProperty.RegisterAttached("ShowRowNumber",
+        typeof(bool), typeof(DataGridAttach),
+        new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits, OnShowRowNumberChanged));
 
-        private static void OnCheckBoxColumnStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    public static bool GetShowRowNumber(DependencyObject target) => (bool) target.GetValue(ShowRowNumberProperty);
+
+    public static void SetShowRowNumber(DependencyObject target, bool value) => target.SetValue(ShowRowNumberProperty, ValueBoxes.BooleanBox(value));
+
+    private static void OnShowRowNumberChanged(DependencyObject target, DependencyPropertyChangedEventArgs e)
+    {
+        if (target is not DataGrid dataGrid) return;
+        var show = (bool) e.NewValue;
+
+        if (show)
         {
-            var grid = (DataGrid) d;
-            if (e.OldValue == null && e.NewValue != null)
-            {
-                UpdateCheckBoxColumnStyles(grid);
-            }
+            dataGrid.LoadingRow += DataGrid_LoadingRow;
+            dataGrid.ItemContainerGenerator.ItemsChanged += ItemContainerGeneratorItemsChanged;
+        }
+        else
+        {
+            dataGrid.LoadingRow -= DataGrid_LoadingRow;
+            dataGrid.ItemContainerGenerator.ItemsChanged -= ItemContainerGeneratorItemsChanged;
         }
 
-        public static void SetCheckBoxColumnStyle(DependencyObject element, Style value) => element.SetValue(CheckBoxColumnStyleProperty, value);
-
-        public static Style GetCheckBoxColumnStyle(DependencyObject element) => (Style) element.GetValue(CheckBoxColumnStyleProperty);
-
-        public static readonly DependencyProperty EditingCheckBoxColumnStyleProperty = DependencyProperty.RegisterAttached(
-            "EditingCheckBoxColumnStyle", typeof(Style), typeof(DataGridAttach), new PropertyMetadata(default(Style), OnCheckBoxColumnStyleChanged));
-
-        public static void SetEditingCheckBoxColumnStyle(DependencyObject element, Style value) => element.SetValue(EditingCheckBoxColumnStyleProperty, value);
-
-        public static Style GetEditingCheckBoxColumnStyle(DependencyObject element) => (Style) element.GetValue(EditingCheckBoxColumnStyleProperty);
-
-        private static void UpdateCheckBoxColumnStyles(DataGrid grid)
+        void ItemContainerGeneratorItemsChanged(object sender, ItemsChangedEventArgs e)
         {
-            var checkBoxColumnStyle = GetCheckBoxColumnStyle(grid);
-            var editingCheckBoxColumnStyle = GetEditingCheckBoxColumnStyle(grid);
-
-            if (checkBoxColumnStyle != null)
-            {
-                foreach (var column in grid.Columns.OfType<DataGridCheckBoxColumn>())
-                {
-                    var elementStyle = new Style
-                    {
-                        BasedOn = column.ElementStyle,
-                        TargetType = checkBoxColumnStyle.TargetType
-                    };
-
-                    foreach (var setter in checkBoxColumnStyle.Setters.OfType<Setter>())
-                    {
-                        elementStyle.Setters.Add(setter);
-                    }
-
-                    column.ElementStyle = elementStyle;
-                }
-            }
-
-            if (editingCheckBoxColumnStyle != null)
-            {
-                foreach (var column in grid.Columns.OfType<DataGridCheckBoxColumn>())
-                {
-                    var editingElementStyle = new Style
-                    {
-                        BasedOn = column.EditingElementStyle,
-                        TargetType = editingCheckBoxColumnStyle.TargetType
-                    };
-
-                    foreach (var setter in editingCheckBoxColumnStyle.Setters.OfType<Setter>())
-                    {
-                        editingElementStyle.Setters.Add(setter);
-                    }
-
-                    column.EditingElementStyle = editingElementStyle;
-                }
-            }
-        }
-
-        public static DependencyProperty ShowRowNumberProperty = DependencyProperty.RegisterAttached("ShowRowNumber",
-            typeof(bool), typeof(DataGridAttach),
-            new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits, OnShowRowNumberChanged));
-
-        public static bool GetShowRowNumber(DependencyObject target) => (bool) target.GetValue(ShowRowNumberProperty);
-
-        public static void SetShowRowNumber(DependencyObject target, bool value) => target.SetValue(ShowRowNumberProperty, ValueBoxes.BooleanBox(value));
-
-        private static void OnShowRowNumberChanged(DependencyObject target, DependencyPropertyChangedEventArgs e)
-        {
-            if (target is not DataGrid dataGrid) return;
-            var show = (bool) e.NewValue;
+            var generator = dataGrid.ItemContainerGenerator;
+            var itemsCount = dataGrid.Items.Count;
 
             if (show)
             {
-                dataGrid.LoadingRow += DataGrid_LoadingRow;
-                dataGrid.ItemContainerGenerator.ItemsChanged += ItemContainerGeneratorItemsChanged;
+                for (var i = 0; i < itemsCount; i++)
+                {
+                    var row = (DataGridRow) generator.ContainerFromIndex(i);
+                    if (row != null)
+                    {
+                        row.Header = (i + 1).ToString();
+                    }
+                }
             }
             else
             {
-                dataGrid.LoadingRow -= DataGrid_LoadingRow;
-                dataGrid.ItemContainerGenerator.ItemsChanged -= ItemContainerGeneratorItemsChanged;
-            }
-
-            void ItemContainerGeneratorItemsChanged(object sender, ItemsChangedEventArgs e)
-            {
-                var generator = dataGrid.ItemContainerGenerator;
-                var itemsCount = dataGrid.Items.Count;
-
-                if (show)
+                for (var i = 0; i < itemsCount; i++)
                 {
-                    for (var i = 0; i < itemsCount; i++)
+                    var row = (DataGridRow) generator.ContainerFromIndex(i);
+                    if (row != null)
                     {
-                        var row = (DataGridRow) generator.ContainerFromIndex(i);
-                        if (row != null)
-                        {
-                            row.Header = (i + 1).ToString();
-                        }
-                    }
-                }
-                else
-                {
-                    for (var i = 0; i < itemsCount; i++)
-                    {
-                        var row = (DataGridRow) generator.ContainerFromIndex(i);
-                        if (row != null)
-                        {
-                            row.Header = null;
-                        }
+                        row.Header = null;
                     }
                 }
             }
         }
-
-        private static void DataGrid_LoadingRow(object sender, DataGridRowEventArgs e) => e.Row.Header = (e.Row.GetIndex() + 1).ToString();
-
-        public static readonly DependencyProperty CanUnselectAllWithBlankAreaProperty = DependencyProperty.RegisterAttached(
-            "CanUnselectAllWithBlankArea", typeof(bool), typeof(DataGridAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnCanUnselectAllWithBlankAreaChanged));
-
-        private static void OnCanUnselectAllWithBlankAreaChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is DataGrid dataGrid)
-            {
-                if ((bool) e.NewValue)
-                {
-                    dataGrid.PreviewMouseDown += DataGrid_PreviewMouseDown;
-                }
-                else
-                {
-                    dataGrid.PreviewMouseDown -= DataGrid_PreviewMouseDown;
-                }
-            }
-        }
-
-        private static void DataGrid_PreviewMouseDown(object sender, MouseButtonEventArgs e)
-        {
-            if (sender is DataGrid dataGrid && e.OriginalSource is System.Windows.Controls.ScrollViewer)
-            {
-                dataGrid.CommitEdit();
-                dataGrid.UnselectAll();
-            }
-        }
-
-        public static void SetCanUnselectAllWithBlankArea(DependencyObject element, bool value)
-            => element.SetValue(CanUnselectAllWithBlankAreaProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetCanUnselectAllWithBlankArea(DependencyObject element)
-            => (bool) element.GetValue(CanUnselectAllWithBlankAreaProperty);
-
-        public static readonly DependencyProperty ShowSelectAllButtonProperty = DependencyProperty.RegisterAttached(
-            "ShowSelectAllButton", typeof(bool), typeof(DataGridAttach), new PropertyMetadata(ValueBoxes.TrueBox));
-
-        public static void SetShowSelectAllButton(DependencyObject element, bool value)
-            => element.SetValue(ShowSelectAllButtonProperty, value);
-
-        public static bool GetShowSelectAllButton(DependencyObject element)
-            => (bool) element.GetValue(ShowSelectAllButtonProperty);
     }
+
+    private static void DataGrid_LoadingRow(object sender, DataGridRowEventArgs e) => e.Row.Header = (e.Row.GetIndex() + 1).ToString();
+
+    public static readonly DependencyProperty CanUnselectAllWithBlankAreaProperty = DependencyProperty.RegisterAttached(
+        "CanUnselectAllWithBlankArea", typeof(bool), typeof(DataGridAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnCanUnselectAllWithBlankAreaChanged));
+
+    private static void OnCanUnselectAllWithBlankAreaChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is DataGrid dataGrid)
+        {
+            if ((bool) e.NewValue)
+            {
+                dataGrid.PreviewMouseDown += DataGrid_PreviewMouseDown;
+            }
+            else
+            {
+                dataGrid.PreviewMouseDown -= DataGrid_PreviewMouseDown;
+            }
+        }
+    }
+
+    private static void DataGrid_PreviewMouseDown(object sender, MouseButtonEventArgs e)
+    {
+        if (sender is DataGrid dataGrid && e.OriginalSource is System.Windows.Controls.ScrollViewer)
+        {
+            dataGrid.CommitEdit();
+            dataGrid.UnselectAll();
+        }
+    }
+
+    public static void SetCanUnselectAllWithBlankArea(DependencyObject element, bool value)
+        => element.SetValue(CanUnselectAllWithBlankAreaProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetCanUnselectAllWithBlankArea(DependencyObject element)
+        => (bool) element.GetValue(CanUnselectAllWithBlankAreaProperty);
+
+    public static readonly DependencyProperty ShowSelectAllButtonProperty = DependencyProperty.RegisterAttached(
+        "ShowSelectAllButton", typeof(bool), typeof(DataGridAttach), new PropertyMetadata(ValueBoxes.TrueBox));
+
+    public static void SetShowSelectAllButton(DependencyObject element, bool value)
+        => element.SetValue(ShowSelectAllButtonProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetShowSelectAllButton(DependencyObject element)
+        => (bool) element.GetValue(ShowSelectAllButtonProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/DropDownElement.cs

@@ -1,28 +1,27 @@
 using System.Windows;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class DropDownElement
 {
-    public class DropDownElement
-    {
-        public static readonly DependencyProperty ConsistentWidthProperty = DependencyProperty.RegisterAttached(
-            "ConsistentWidth", typeof(bool), typeof(DropDownElement),
-            new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty ConsistentWidthProperty = DependencyProperty.RegisterAttached(
+        "ConsistentWidth", typeof(bool), typeof(DropDownElement),
+        new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetConsistentWidth(DependencyObject element, bool value)
-            => element.SetValue(ConsistentWidthProperty, ValueBoxes.BooleanBox(value));
+    public static void SetConsistentWidth(DependencyObject element, bool value)
+        => element.SetValue(ConsistentWidthProperty, ValueBoxes.BooleanBox(value));
 
-        public static bool GetConsistentWidth(DependencyObject element)
-            => (bool) element.GetValue(ConsistentWidthProperty);
+    public static bool GetConsistentWidth(DependencyObject element)
+        => (bool) element.GetValue(ConsistentWidthProperty);
 
-        public static readonly DependencyProperty AutoWidthProperty = DependencyProperty.RegisterAttached(
-            "AutoWidth", typeof(bool), typeof(DropDownElement),
-            new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty AutoWidthProperty = DependencyProperty.RegisterAttached(
+        "AutoWidth", typeof(bool), typeof(DropDownElement),
+        new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetAutoWidth(DependencyObject element, bool value)
-            => element.SetValue(AutoWidthProperty, ValueBoxes.BooleanBox(value));
+    public static void SetAutoWidth(DependencyObject element, bool value)
+        => element.SetValue(AutoWidthProperty, ValueBoxes.BooleanBox(value));
 
-        public static bool GetAutoWidth(DependencyObject element)
-            => (bool) element.GetValue(AutoWidthProperty);
-    }
+    public static bool GetAutoWidth(DependencyObject element)
+        => (bool) element.GetValue(AutoWidthProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/EdgeElement.cs

@@ -1,47 +1,46 @@
 using System.Windows;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class EdgeElement
 {
-    public class EdgeElement
-    {
-        public static readonly DependencyProperty LeftContentProperty = DependencyProperty.RegisterAttached(
-            "LeftContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
+    public static readonly DependencyProperty LeftContentProperty = DependencyProperty.RegisterAttached(
+        "LeftContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
 
-        public static void SetLeftContent(DependencyObject element, object value) => element.SetValue(LeftContentProperty, value);
+    public static void SetLeftContent(DependencyObject element, object value) => element.SetValue(LeftContentProperty, value);
 
-        public static object GetLeftContent(DependencyObject element) => element.GetValue(LeftContentProperty);
+    public static object GetLeftContent(DependencyObject element) => element.GetValue(LeftContentProperty);
 
-        public static readonly DependencyProperty TopContentProperty = DependencyProperty.RegisterAttached(
-            "TopContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
+    public static readonly DependencyProperty TopContentProperty = DependencyProperty.RegisterAttached(
+        "TopContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
 
-        public static void SetTopContent(DependencyObject element, object value) => element.SetValue(TopContentProperty, value);
+    public static void SetTopContent(DependencyObject element, object value) => element.SetValue(TopContentProperty, value);
 
-        public static object GetTopContent(DependencyObject element) => element.GetValue(TopContentProperty);
+    public static object GetTopContent(DependencyObject element) => element.GetValue(TopContentProperty);
 
-        public static readonly DependencyProperty RightContentProperty = DependencyProperty.RegisterAttached(
-            "RightContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
+    public static readonly DependencyProperty RightContentProperty = DependencyProperty.RegisterAttached(
+        "RightContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
 
-        public static void SetRightContent(DependencyObject element, object value) => element.SetValue(RightContentProperty, value);
+    public static void SetRightContent(DependencyObject element, object value) => element.SetValue(RightContentProperty, value);
 
-        public static object GetRightContent(DependencyObject element) => element.GetValue(RightContentProperty);
+    public static object GetRightContent(DependencyObject element) => element.GetValue(RightContentProperty);
 
-        public static readonly DependencyProperty BottomContentProperty = DependencyProperty.RegisterAttached(
-            "BottomContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
+    public static readonly DependencyProperty BottomContentProperty = DependencyProperty.RegisterAttached(
+        "BottomContent", typeof(object), typeof(EdgeElement), new PropertyMetadata(default(object), OnEdgeContentChanged));
 
-        public static void SetBottomContent(DependencyObject element, object value) => element.SetValue(BottomContentProperty, value);
+    public static void SetBottomContent(DependencyObject element, object value) => element.SetValue(BottomContentProperty, value);
 
-        public static object GetBottomContent(DependencyObject element) => element.GetValue(BottomContentProperty);
+    public static object GetBottomContent(DependencyObject element) => element.GetValue(BottomContentProperty);
 
-        public static readonly DependencyProperty ShowEdgeContentProperty = DependencyProperty.RegisterAttached(
-            "ShowEdgeContent", typeof(bool), typeof(EdgeElement), new PropertyMetadata(ValueBoxes.FalseBox));
+    public static readonly DependencyProperty ShowEdgeContentProperty = DependencyProperty.RegisterAttached(
+        "ShowEdgeContent", typeof(bool), typeof(EdgeElement), new PropertyMetadata(ValueBoxes.FalseBox));
 
-        public static void SetShowEdgeContent(DependencyObject element, bool value) => element.SetValue(ShowEdgeContentProperty, ValueBoxes.BooleanBox(value));
+    public static void SetShowEdgeContent(DependencyObject element, bool value) => element.SetValue(ShowEdgeContentProperty, ValueBoxes.BooleanBox(value));
 
-        public static bool GetShowEdgeContent(DependencyObject element) => (bool) element.GetValue(ShowEdgeContentProperty);
+    public static bool GetShowEdgeContent(DependencyObject element) => (bool) element.GetValue(ShowEdgeContentProperty);
 
-        private static void OnEdgeContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) =>
-            SetShowEdgeContent(d, !(GetLeftContent(d) == null && GetTopContent(d) == null &&
-                                    GetRightContent(d) == null && GetBottomContent(d) == null));
-    }
+    private static void OnEdgeContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) =>
+        SetShowEdgeContent(d, !(GetLeftContent(d) == null && GetTopContent(d) == null &&
+                                GetRightContent(d) == null && GetBottomContent(d) == null));
 }

src/Shared/HandyControl_Shared/Controls/Attach/GridAttach.cs

@@ -2,95 +2,94 @@
 using System.Windows;
 using System.Windows.Controls;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class GridAttach
 {
-    public class GridAttach
+    public static readonly DependencyProperty NameProperty = DependencyProperty.RegisterAttached(
+        "Name", typeof(string), typeof(GridAttach), new PropertyMetadata(default(string)));
+
+    public static void SetName(DependencyObject element, string value)
+        => element.SetValue(NameProperty, value);
+
+    public static string GetName(DependencyObject element)
+        => (string) element.GetValue(NameProperty);
+
+    public static readonly DependencyProperty RowNameProperty = DependencyProperty.RegisterAttached(
+        "RowName", typeof(string), typeof(GridAttach), new PropertyMetadata(default(string), OnRowNameChanged));
+
+    private static void OnRowNameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        public static readonly DependencyProperty NameProperty = DependencyProperty.RegisterAttached(
-            "Name", typeof(string), typeof(GridAttach), new PropertyMetadata(default(string)));
-
-        public static void SetName(DependencyObject element, string value)
-            => element.SetValue(NameProperty, value);
-
-        public static string GetName(DependencyObject element)
-            => (string) element.GetValue(NameProperty);
-
-        public static readonly DependencyProperty RowNameProperty = DependencyProperty.RegisterAttached(
-            "RowName", typeof(string), typeof(GridAttach), new PropertyMetadata(default(string), OnRowNameChanged));
-
-        private static void OnRowNameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (d is FrameworkElement frameworkElement)
         {
-            if (d is FrameworkElement frameworkElement)
+            if (e.NewValue is string rowName)
             {
-                if (e.NewValue is string rowName)
+                if (string.IsNullOrEmpty(rowName))
                 {
-                    if (string.IsNullOrEmpty(rowName))
-                    {
-                        return;
-                    }
+                    return;
+                }
 
-                    if (frameworkElement.Parent is Grid grid)
+                if (frameworkElement.Parent is Grid grid)
+                {
+                    for (var i = 0; i < grid.RowDefinitions.Count; i++)
                     {
-                        for (var i = 0; i < grid.RowDefinitions.Count; i++)
+                        var gridRowDefinition = grid.RowDefinitions[i];
+                        var gridRowName = GetName(gridRowDefinition);
+
+                        if (!string.IsNullOrEmpty(gridRowName) &&
+                            gridRowName.Equals(rowName, StringComparison.Ordinal))
                         {
-                            var gridRowDefinition = grid.RowDefinitions[i];
-                            var gridRowName = GetName(gridRowDefinition);
-
-                            if (!string.IsNullOrEmpty(gridRowName) &&
-                                gridRowName.Equals(rowName, StringComparison.Ordinal))
-                            {
-                                Grid.SetRow(frameworkElement, i);
-                                return;
-                            }
+                            Grid.SetRow(frameworkElement, i);
+                            return;
                         }
                     }
                 }
             }
         }
-
-        public static void SetRowName(DependencyObject element, string value)
-            => element.SetValue(RowNameProperty, value);
-
-        public static string GetRowName(DependencyObject element)
-            => (string) element.GetValue(RowNameProperty);
-
-        public static readonly DependencyProperty ColumnNameProperty = DependencyProperty.RegisterAttached(
-            "ColumnName", typeof(string), typeof(GridAttach), new PropertyMetadata(default(string), OnColumnNameChanged));
-
-        private static void OnColumnNameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is FrameworkElement frameworkElement)
-            {
-                if (e.NewValue is string columnName)
-                {
-                    if (string.IsNullOrEmpty(columnName))
-                    {
-                        return;
-                    }
-
-                    if (frameworkElement.Parent is Grid grid)
-                    {
-                        for (var i = 0; i < grid.ColumnDefinitions.Count; i++)
-                        {
-                            var gridColumnDefinition = grid.ColumnDefinitions[i];
-                            var gridColumnName = GetName(gridColumnDefinition);
-
-                            if (!string.IsNullOrEmpty(gridColumnName) &&
-                                gridColumnName.Equals(columnName, StringComparison.Ordinal))
-                            {
-                                Grid.SetColumn(frameworkElement, i);
-                                return;
-                            }
-                        }
-                    }
-                }
-            }
-        }
-
-        public static void SetColumnName(DependencyObject element, string value)
-            => element.SetValue(ColumnNameProperty, value);
-
-        public static string GetColumnName(DependencyObject element)
-            => (string) element.GetValue(ColumnNameProperty);
     }
+
+    public static void SetRowName(DependencyObject element, string value)
+        => element.SetValue(RowNameProperty, value);
+
+    public static string GetRowName(DependencyObject element)
+        => (string) element.GetValue(RowNameProperty);
+
+    public static readonly DependencyProperty ColumnNameProperty = DependencyProperty.RegisterAttached(
+        "ColumnName", typeof(string), typeof(GridAttach), new PropertyMetadata(default(string), OnColumnNameChanged));
+
+    private static void OnColumnNameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is FrameworkElement frameworkElement)
+        {
+            if (e.NewValue is string columnName)
+            {
+                if (string.IsNullOrEmpty(columnName))
+                {
+                    return;
+                }
+
+                if (frameworkElement.Parent is Grid grid)
+                {
+                    for (var i = 0; i < grid.ColumnDefinitions.Count; i++)
+                    {
+                        var gridColumnDefinition = grid.ColumnDefinitions[i];
+                        var gridColumnName = GetName(gridColumnDefinition);
+
+                        if (!string.IsNullOrEmpty(gridColumnName) &&
+                            gridColumnName.Equals(columnName, StringComparison.Ordinal))
+                        {
+                            Grid.SetColumn(frameworkElement, i);
+                            return;
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    public static void SetColumnName(DependencyObject element, string value)
+        => element.SetValue(ColumnNameProperty, value);
+
+    public static string GetColumnName(DependencyObject element)
+        => (string) element.GetValue(ColumnNameProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/IconElement.cs

@@ -1,35 +1,34 @@
 using System.Windows;
 using System.Windows.Media;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class IconElement
 {
-    public class IconElement
-    {
-        public static readonly DependencyProperty GeometryProperty = DependencyProperty.RegisterAttached(
-            "Geometry", typeof(Geometry), typeof(IconElement), new PropertyMetadata(default(Geometry)));
+    public static readonly DependencyProperty GeometryProperty = DependencyProperty.RegisterAttached(
+        "Geometry", typeof(Geometry), typeof(IconElement), new PropertyMetadata(default(Geometry)));
 
-        public static void SetGeometry(DependencyObject element, Geometry value)
-            => element.SetValue(GeometryProperty, value);
+    public static void SetGeometry(DependencyObject element, Geometry value)
+        => element.SetValue(GeometryProperty, value);
 
-        public static Geometry GetGeometry(DependencyObject element)
-            => (Geometry) element.GetValue(GeometryProperty);
+    public static Geometry GetGeometry(DependencyObject element)
+        => (Geometry) element.GetValue(GeometryProperty);
 
-        public static readonly DependencyProperty WidthProperty = DependencyProperty.RegisterAttached(
-            "Width", typeof(double), typeof(IconElement), new PropertyMetadata(double.NaN));
+    public static readonly DependencyProperty WidthProperty = DependencyProperty.RegisterAttached(
+        "Width", typeof(double), typeof(IconElement), new PropertyMetadata(double.NaN));
 
-        public static void SetWidth(DependencyObject element, double value)
-            => element.SetValue(WidthProperty, value);
+    public static void SetWidth(DependencyObject element, double value)
+        => element.SetValue(WidthProperty, value);
 
-        public static double GetWidth(DependencyObject element)
-            => (double) element.GetValue(WidthProperty);
+    public static double GetWidth(DependencyObject element)
+        => (double) element.GetValue(WidthProperty);
 
-        public static readonly DependencyProperty HeightProperty = DependencyProperty.RegisterAttached(
-            "Height", typeof(double), typeof(IconElement), new PropertyMetadata(double.NaN));
+    public static readonly DependencyProperty HeightProperty = DependencyProperty.RegisterAttached(
+        "Height", typeof(double), typeof(IconElement), new PropertyMetadata(double.NaN));
 
-        public static void SetHeight(DependencyObject element, double value)
-            => element.SetValue(HeightProperty, value);
+    public static void SetHeight(DependencyObject element, double value)
+        => element.SetValue(HeightProperty, value);
 
-        public static double GetHeight(DependencyObject element)
-            => (double) element.GetValue(HeightProperty);
-    }
+    public static double GetHeight(DependencyObject element)
+        => (double) element.GetValue(HeightProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/IconSwitchElement.cs

@@ -1,21 +1,20 @@
 using System.Windows;
 using System.Windows.Media;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class IconSwitchElement : IconElement
 {
-    public class IconSwitchElement : IconElement
+    public static readonly DependencyProperty GeometrySelectedProperty = DependencyProperty.RegisterAttached(
+        "GeometrySelected", typeof(Geometry), typeof(IconSwitchElement), new PropertyMetadata(default(Geometry)));
+
+    public static void SetGeometrySelected(DependencyObject element, Geometry value)
     {
-        public static readonly DependencyProperty GeometrySelectedProperty = DependencyProperty.RegisterAttached(
-            "GeometrySelected", typeof(Geometry), typeof(IconSwitchElement), new PropertyMetadata(default(Geometry)));
+        element.SetValue(GeometrySelectedProperty, value);
+    }
 
-        public static void SetGeometrySelected(DependencyObject element, Geometry value)
-        {
-            element.SetValue(GeometrySelectedProperty, value);
-        }
-
-        public static Geometry GetGeometrySelected(DependencyObject element)
-        {
-            return (Geometry) element.GetValue(GeometrySelectedProperty);
-        }
+    public static Geometry GetGeometrySelected(DependencyObject element)
+    {
+        return (Geometry) element.GetValue(GeometrySelectedProperty);
     }
 }

src/Shared/HandyControl_Shared/Controls/Attach/ImageAttach.cs

@@ -2,41 +2,40 @@
 using System.Windows.Controls;
 using System.Windows.Media;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class ImageAttach
 {
-    public class ImageAttach
+    public static readonly DependencyProperty SourceFailedProperty = DependencyProperty.RegisterAttached(
+        "SourceFailed", typeof(ImageSource), typeof(ImageAttach), new FrameworkPropertyMetadata(default(ImageSource), FrameworkPropertyMetadataOptions.Inherits, OnSourceFailedChanged));
+
+    private static void OnSourceFailedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        public static readonly DependencyProperty SourceFailedProperty = DependencyProperty.RegisterAttached(
-            "SourceFailed", typeof(ImageSource), typeof(ImageAttach), new FrameworkPropertyMetadata(default(ImageSource), FrameworkPropertyMetadataOptions.Inherits, OnSourceFailedChanged));
-
-        private static void OnSourceFailedChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (d is Image image)
         {
-            if (d is Image image)
+            if (e.NewValue is ImageSource)
             {
-                if (e.NewValue is ImageSource)
-                {
-                    image.ImageFailed += Image_ImageFailed;
-                }
-                else
-                {
-                    image.ImageFailed -= Image_ImageFailed;
-                }
+                image.ImageFailed += Image_ImageFailed;
             }
-        }
-
-        private static void Image_ImageFailed(object sender, ExceptionRoutedEventArgs e)
-        {
-            if (sender is Image image)
+            else
             {
-                image.SetCurrentValue(Image.SourceProperty, GetSourceFailed(image));
                 image.ImageFailed -= Image_ImageFailed;
             }
         }
-
-        public static void SetSourceFailed(DependencyObject element, ImageSource value)
-            => element.SetValue(SourceFailedProperty, value);
-
-        public static ImageSource GetSourceFailed(DependencyObject element)
-            => (ImageSource) element.GetValue(SourceFailedProperty);
     }
+
+    private static void Image_ImageFailed(object sender, ExceptionRoutedEventArgs e)
+    {
+        if (sender is Image image)
+        {
+            image.SetCurrentValue(Image.SourceProperty, GetSourceFailed(image));
+            image.ImageFailed -= Image_ImageFailed;
+        }
+    }
+
+    public static void SetSourceFailed(DependencyObject element, ImageSource value)
+        => element.SetValue(SourceFailedProperty, value);
+
+    public static ImageSource GetSourceFailed(DependencyObject element)
+        => (ImageSource) element.GetValue(SourceFailedProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/InfoElement.cs

@@ -1,84 +1,92 @@
 using System.Windows;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class InfoElement : TitleElement
 {
-    public class InfoElement : TitleElement
-    {
-        /// <summary>
-        ///     占位符
-        /// </summary>
-        public static readonly DependencyProperty PlaceholderProperty = DependencyProperty.RegisterAttached(
-            "Placeholder", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.Inherits));
+    /// <summary>
+    ///     占位符
+    /// </summary>
+    public static readonly DependencyProperty PlaceholderProperty = DependencyProperty.RegisterAttached(
+        "Placeholder", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetPlaceholder(DependencyObject element, string value) => element.SetValue(PlaceholderProperty, value);
+    public static void SetPlaceholder(DependencyObject element, string value) => element.SetValue(PlaceholderProperty, value);
 
-        public static string GetPlaceholder(DependencyObject element) => (string) element.GetValue(PlaceholderProperty);
+    public static string GetPlaceholder(DependencyObject element) => (string) element.GetValue(PlaceholderProperty);
 
-        /// <summary>
-        ///     是否必填
-        /// </summary>
-        public static readonly DependencyProperty NecessaryProperty = DependencyProperty.RegisterAttached(
-            "Necessary", typeof(bool), typeof(InfoElement), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
+    /// <summary>
+    ///     是否必填
+    /// </summary>
+    public static readonly DependencyProperty NecessaryProperty = DependencyProperty.RegisterAttached(
+        "Necessary", typeof(bool), typeof(InfoElement), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetNecessary(DependencyObject element, bool value) => element.SetValue(NecessaryProperty, ValueBoxes.BooleanBox(value));
+    public static void SetNecessary(DependencyObject element, bool value) => element.SetValue(NecessaryProperty, ValueBoxes.BooleanBox(value));
 
-        public static bool GetNecessary(DependencyObject element) => (bool) element.GetValue(NecessaryProperty);
+    public static bool GetNecessary(DependencyObject element) => (bool) element.GetValue(NecessaryProperty);
 
-        /// <summary>
-        ///     标记
-        /// </summary>
-        public static readonly DependencyProperty SymbolProperty = DependencyProperty.RegisterAttached(
-            "Symbol", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.Inherits));
+    /// <summary>
+    ///     标记
+    /// </summary>
+    public static readonly DependencyProperty SymbolProperty = DependencyProperty.RegisterAttached(
+        "Symbol", typeof(string), typeof(InfoElement), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetSymbol(DependencyObject element, string value) => element.SetValue(SymbolProperty, value);
+    public static void SetSymbol(DependencyObject element, string value) => element.SetValue(SymbolProperty, value);
 
-        public static string GetSymbol(DependencyObject element) => (string) element.GetValue(SymbolProperty);
+    public static string GetSymbol(DependencyObject element) => (string) element.GetValue(SymbolProperty);
 
-        /// <summary>
-        ///     内容高度
-        /// </summary>
-        public static readonly DependencyProperty ContentHeightProperty = DependencyProperty.RegisterAttached(
-            "ContentHeight", typeof(double), typeof(InfoElement), new FrameworkPropertyMetadata(30.0, FrameworkPropertyMetadataOptions.Inherits));
+    /// <summary>
+    ///     内容高度
+    /// </summary>
+    public static readonly DependencyProperty ContentHeightProperty = DependencyProperty.RegisterAttached(
+        "ContentHeight", typeof(double), typeof(InfoElement), new FrameworkPropertyMetadata(30.0, FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetContentHeight(DependencyObject element, double value) => element.SetValue(ContentHeightProperty, value);
+    public static void SetContentHeight(DependencyObject element, double value) => element.SetValue(ContentHeightProperty, value);
 
-        public static double GetContentHeight(DependencyObject element) => (double) element.GetValue(ContentHeightProperty);
+    public static double GetContentHeight(DependencyObject element) => (double) element.GetValue(ContentHeightProperty);
 
-        /// <summary>
-        ///     最小内容高度
-        /// </summary>
-        public static readonly DependencyProperty MinContentHeightProperty = DependencyProperty.RegisterAttached(
-            "MinContentHeight", typeof(double), typeof(InfoElement), new PropertyMetadata(30.0));
+    /// <summary>
+    ///     最小内容高度
+    /// </summary>
+    public static readonly DependencyProperty MinContentHeightProperty = DependencyProperty.RegisterAttached(
+        "MinContentHeight", typeof(double), typeof(InfoElement), new PropertyMetadata(30.0));
 
-        public static void SetMinContentHeight(DependencyObject element, double value)
-            => element.SetValue(MinContentHeightProperty, value);
+    public static void SetMinContentHeight(DependencyObject element, double value)
+        => element.SetValue(MinContentHeightProperty, value);
 
-        public static double GetMinContentHeight(DependencyObject element)
-            => (double) element.GetValue(MinContentHeightProperty);
+    public static double GetMinContentHeight(DependencyObject element)
+        => (double) element.GetValue(MinContentHeightProperty);
 
-        /// <summary>
-        ///     最大内容高度
-        /// </summary>
-        public static readonly DependencyProperty MaxContentHeightProperty = DependencyProperty.RegisterAttached(
-            "MaxContentHeight", typeof(double), typeof(InfoElement), new PropertyMetadata(double.PositiveInfinity));
+    /// <summary>
+    ///     最大内容高度
+    /// </summary>
+    public static readonly DependencyProperty MaxContentHeightProperty = DependencyProperty.RegisterAttached(
+        "MaxContentHeight", typeof(double), typeof(InfoElement), new PropertyMetadata(double.PositiveInfinity));
 
-        public static void SetMaxContentHeight(DependencyObject element, double value)
-            => element.SetValue(MaxContentHeightProperty, value);
+    public static void SetMaxContentHeight(DependencyObject element, double value)
+        => element.SetValue(MaxContentHeightProperty, value);
 
-        public static double GetMaxContentHeight(DependencyObject element)
-            => (double) element.GetValue(MaxContentHeightProperty);
+    public static double GetMaxContentHeight(DependencyObject element)
+        => (double) element.GetValue(MaxContentHeightProperty);
 
-        /// <summary>
-        ///     正则表达式
-        /// </summary>
-        public static readonly DependencyProperty RegexPatternProperty = DependencyProperty.RegisterAttached(
-            "RegexPattern", typeof(string), typeof(InfoElement), new PropertyMetadata(default(string)));
+    /// <summary>
+    ///     正则表达式
+    /// </summary>
+    public static readonly DependencyProperty RegexPatternProperty = DependencyProperty.RegisterAttached(
+        "RegexPattern", typeof(string), typeof(InfoElement), new PropertyMetadata(default(string)));
 
-        public static void SetRegexPattern(DependencyObject element, string value)
-            => element.SetValue(RegexPatternProperty, value);
+    public static void SetRegexPattern(DependencyObject element, string value)
+        => element.SetValue(RegexPatternProperty, value);
 
-        public static string GetRegexPattern(DependencyObject element)
-            => (string) element.GetValue(RegexPatternProperty);
-    }
+    public static string GetRegexPattern(DependencyObject element)
+        => (string) element.GetValue(RegexPatternProperty);
+
+    public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.RegisterAttached(
+        "ShowClearButton", typeof(bool), typeof(InfoElement), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public static void SetShowClearButton(DependencyObject element, bool value)
+        => element.SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetShowClearButton(DependencyObject element)
+        => (bool) element.GetValue(ShowClearButtonProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/MenuTopLineAttach.cs

@@ -5,103 +5,102 @@ using System.Windows.Controls.Primitives;
 using HandyControl.Tools;
 using HandyControl.Tools.Interop;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class MenuTopLineAttach
 {
-    public class MenuTopLineAttach
+    public static readonly DependencyProperty PopupProperty = DependencyProperty.RegisterAttached(
+        "Popup", typeof(Popup), typeof(MenuTopLineAttach), new PropertyMetadata(default(Popup), OnPopupChanged));
+
+    private static void OnPopupChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        public static readonly DependencyProperty PopupProperty = DependencyProperty.RegisterAttached(
-            "Popup", typeof(Popup), typeof(MenuTopLineAttach), new PropertyMetadata(default(Popup), OnPopupChanged));
+        var topLine = (FrameworkElement) d;
 
-        private static void OnPopupChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (e.NewValue is Popup { TemplatedParent: MenuItem menuItem })
         {
-            var topLine = (FrameworkElement) d;
-
-            if (e.NewValue is Popup { TemplatedParent: MenuItem menuItem })
-            {
-                SetTopLine(menuItem, topLine);
-                menuItem.Loaded += MenuItem_Loaded;
-            }
+            SetTopLine(menuItem, topLine);
+            menuItem.Loaded += MenuItem_Loaded;
         }
-
-        private static void MenuItem_Loaded(object sender, RoutedEventArgs e)
-        {
-            var menuItem = (FrameworkElement) sender;
-            menuItem.Unloaded += MenuItem_Unloaded;
-            var topLine = GetTopLine(menuItem);
-            var popup = GetPopup(topLine);
-            if (popup != null)
-            {
-                popup.Opened += Popup_Opened;
-            }
-        }
-
-        private static void MenuItem_Unloaded(object sender, RoutedEventArgs e)
-        {
-            var menuItem = (FrameworkElement) sender;
-            menuItem.Unloaded -= MenuItem_Unloaded;
-            var topLine = GetTopLine(menuItem);
-            var popup = GetPopup(topLine);
-            if (popup != null)
-            {
-                popup.Opened -= Popup_Opened;
-            }
-        }
-
-        private static void Popup_Opened(object sender, EventArgs e)
-        {
-            var popup = (Popup) sender;
-            if (popup.TemplatedParent is MenuItem menuItem)
-            {
-                var topLine = GetTopLine(menuItem);
-                if (topLine == null) return;
-
-                topLine.HorizontalAlignment = HorizontalAlignment.Left;
-                topLine.Width = menuItem.ActualWidth;
-                topLine.Margin = new Thickness();
-
-                var positionLeftTop = menuItem.PointToScreen(new Point());
-                var positionRightBottom = menuItem.PointToScreen(new Point(menuItem.ActualWidth, menuItem.ActualHeight));
-                ScreenHelper.FindMonitorRectsFromPoint(InteropMethods.GetCursorPos(), out _, out var workAreaRect);
-                var panel = VisualHelper.GetParent<Panel>(topLine);
-
-                if (positionLeftTop.X < 0)
-                {
-
-                    topLine.Margin = new Thickness(positionLeftTop.X - panel.Margin.Left, 0, 0, 0);
-                }
-                else if (positionLeftTop.X + panel.ActualWidth > workAreaRect.Right)
-                {
-                    var overflowWidth = positionRightBottom.X - workAreaRect.Right;
-                    if (overflowWidth > 0)
-                    {
-                        topLine.Width -= overflowWidth + panel.Margin.Right;
-                    }
-                    topLine.HorizontalAlignment = HorizontalAlignment.Left;
-                    topLine.Margin = new Thickness(positionLeftTop.X + panel.ActualWidth - workAreaRect.Right + panel.Margin.Right, 0, 0, 0);
-                }
-
-                if (positionRightBottom.Y > workAreaRect.Bottom)
-                {
-                    topLine.Width = 0;
-                    topLine.HorizontalAlignment = HorizontalAlignment.Stretch;
-                    topLine.Margin = new Thickness();
-                }
-            }
-        }
-
-        public static void SetPopup(DependencyObject element, Popup value)
-            => element.SetValue(PopupProperty, value);
-
-        public static Popup GetPopup(DependencyObject element)
-            => (Popup) element.GetValue(PopupProperty);
-
-        internal static readonly DependencyProperty TopLineProperty = DependencyProperty.RegisterAttached(
-            "TopLine", typeof(FrameworkElement), typeof(MenuTopLineAttach), new PropertyMetadata(default(FrameworkElement)));
-
-        internal static void SetTopLine(DependencyObject element, FrameworkElement value)
-            => element.SetValue(TopLineProperty, value);
-
-        internal static FrameworkElement GetTopLine(DependencyObject element)
-            => (FrameworkElement) element.GetValue(TopLineProperty);
     }
+
+    private static void MenuItem_Loaded(object sender, RoutedEventArgs e)
+    {
+        var menuItem = (FrameworkElement) sender;
+        menuItem.Unloaded += MenuItem_Unloaded;
+        var topLine = GetTopLine(menuItem);
+        var popup = GetPopup(topLine);
+        if (popup != null)
+        {
+            popup.Opened += Popup_Opened;
+        }
+    }
+
+    private static void MenuItem_Unloaded(object sender, RoutedEventArgs e)
+    {
+        var menuItem = (FrameworkElement) sender;
+        menuItem.Unloaded -= MenuItem_Unloaded;
+        var topLine = GetTopLine(menuItem);
+        var popup = GetPopup(topLine);
+        if (popup != null)
+        {
+            popup.Opened -= Popup_Opened;
+        }
+    }
+
+    private static void Popup_Opened(object sender, EventArgs e)
+    {
+        var popup = (Popup) sender;
+        if (popup.TemplatedParent is MenuItem menuItem)
+        {
+            var topLine = GetTopLine(menuItem);
+            if (topLine == null) return;
+
+            topLine.HorizontalAlignment = HorizontalAlignment.Left;
+            topLine.Width = menuItem.ActualWidth;
+            topLine.Margin = new Thickness();
+
+            var positionLeftTop = menuItem.PointToScreen(new Point());
+            var positionRightBottom = menuItem.PointToScreen(new Point(menuItem.ActualWidth, menuItem.ActualHeight));
+            ScreenHelper.FindMonitorRectsFromPoint(InteropMethods.GetCursorPos(), out _, out var workAreaRect);
+            var panel = VisualHelper.GetParent<Panel>(topLine);
+
+            if (positionLeftTop.X < 0)
+            {
+
+                topLine.Margin = new Thickness(positionLeftTop.X - panel.Margin.Left, 0, 0, 0);
+            }
+            else if (positionLeftTop.X + panel.ActualWidth > workAreaRect.Right)
+            {
+                var overflowWidth = positionRightBottom.X - workAreaRect.Right;
+                if (overflowWidth > 0)
+                {
+                    topLine.Width -= overflowWidth + panel.Margin.Right;
+                }
+                topLine.HorizontalAlignment = HorizontalAlignment.Left;
+                topLine.Margin = new Thickness(positionLeftTop.X + panel.ActualWidth - workAreaRect.Right + panel.Margin.Right, 0, 0, 0);
+            }
+
+            if (positionRightBottom.Y > workAreaRect.Bottom)
+            {
+                topLine.Width = 0;
+                topLine.HorizontalAlignment = HorizontalAlignment.Stretch;
+                topLine.Margin = new Thickness();
+            }
+        }
+    }
+
+    public static void SetPopup(DependencyObject element, Popup value)
+        => element.SetValue(PopupProperty, value);
+
+    public static Popup GetPopup(DependencyObject element)
+        => (Popup) element.GetValue(PopupProperty);
+
+    internal static readonly DependencyProperty TopLineProperty = DependencyProperty.RegisterAttached(
+        "TopLine", typeof(FrameworkElement), typeof(MenuTopLineAttach), new PropertyMetadata(default(FrameworkElement)));
+
+    internal static void SetTopLine(DependencyObject element, FrameworkElement value)
+        => element.SetValue(TopLineProperty, value);
+
+    internal static FrameworkElement GetTopLine(DependencyObject element)
+        => (FrameworkElement) element.GetValue(TopLineProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/PanelElement.cs

@@ -2,43 +2,42 @@
 using System.Windows.Controls;
 using HandyControl.Interactivity;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class PanelElement
 {
-    public class PanelElement
+    public static readonly DependencyProperty FluidMoveBehaviorProperty = DependencyProperty.RegisterAttached(
+        "FluidMoveBehavior", typeof(FluidMoveBehavior), typeof(PanelElement), new PropertyMetadata(default(FluidMoveBehavior), OnFluidMoveBehaviorChanged));
+
+    private static void OnFluidMoveBehaviorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        public static readonly DependencyProperty FluidMoveBehaviorProperty = DependencyProperty.RegisterAttached(
-            "FluidMoveBehavior", typeof(FluidMoveBehavior), typeof(PanelElement), new PropertyMetadata(default(FluidMoveBehavior), OnFluidMoveBehaviorChanged));
-
-        private static void OnFluidMoveBehaviorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (d is Panel panel)
         {
-            if (d is Panel panel)
-            {
-                var collection = Interaction.GetBehaviors(panel);
-                var oldBehavior = GetTempFluidMoveBehavior(panel);
-                collection.ItemRemoved(oldBehavior);
-                panel.SetCurrentValue(TempFluidMoveBehaviorProperty, DependencyProperty.UnsetValue);
+            var collection = Interaction.GetBehaviors(panel);
+            var oldBehavior = GetTempFluidMoveBehavior(panel);
+            collection.ItemRemoved(oldBehavior);
+            panel.SetCurrentValue(TempFluidMoveBehaviorProperty, DependencyProperty.UnsetValue);
 
-                if (e.NewValue is FluidMoveBehavior behavior)
-                {
-                    collection.ItemAdded(behavior);
-                    SetTempFluidMoveBehavior(panel, behavior);
-                }
+            if (e.NewValue is FluidMoveBehavior behavior)
+            {
+                collection.ItemAdded(behavior);
+                SetTempFluidMoveBehavior(panel, behavior);
             }
         }
-
-        public static void SetFluidMoveBehavior(DependencyObject element, FluidMoveBehavior value)
-            => element.SetValue(FluidMoveBehaviorProperty, value);
-
-        public static FluidMoveBehavior GetFluidMoveBehavior(DependencyObject element)
-            => (FluidMoveBehavior) element.GetValue(FluidMoveBehaviorProperty);
-
-        private static readonly DependencyProperty TempFluidMoveBehaviorProperty = DependencyProperty.RegisterAttached(
-            "TempFluidMoveBehavior", typeof(FluidMoveBehavior), typeof(PanelElement), new PropertyMetadata(default(FluidMoveBehavior)));
-
-        private static void SetTempFluidMoveBehavior(DependencyObject element, FluidMoveBehavior value)
-            => element.SetValue(TempFluidMoveBehaviorProperty, value);
-
-        private static FluidMoveBehavior GetTempFluidMoveBehavior(DependencyObject element)
-            => (FluidMoveBehavior) element.GetValue(TempFluidMoveBehaviorProperty);
     }
+
+    public static void SetFluidMoveBehavior(DependencyObject element, FluidMoveBehavior value)
+        => element.SetValue(FluidMoveBehaviorProperty, value);
+
+    public static FluidMoveBehavior GetFluidMoveBehavior(DependencyObject element)
+        => (FluidMoveBehavior) element.GetValue(FluidMoveBehaviorProperty);
+
+    private static readonly DependencyProperty TempFluidMoveBehaviorProperty = DependencyProperty.RegisterAttached(
+        "TempFluidMoveBehavior", typeof(FluidMoveBehavior), typeof(PanelElement), new PropertyMetadata(default(FluidMoveBehavior)));
+
+    private static void SetTempFluidMoveBehavior(DependencyObject element, FluidMoveBehavior value)
+        => element.SetValue(TempFluidMoveBehaviorProperty, value);
+
+    private static FluidMoveBehavior GetTempFluidMoveBehavior(DependencyObject element)
+        => (FluidMoveBehavior) element.GetValue(TempFluidMoveBehaviorProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/PasswordBoxAttach.cs

@@ -1,54 +1,53 @@
 using System.Windows;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class PasswordBoxAttach
 {
-    public class PasswordBoxAttach
+    /// <summary>
+    ///     密码长度
+    /// </summary>
+    public static readonly DependencyProperty PasswordLengthProperty = DependencyProperty.RegisterAttached(
+        "PasswordLength", typeof(int), typeof(PasswordBoxAttach), new PropertyMetadata(ValueBoxes.Int0Box));
+
+    public static void SetPasswordLength(DependencyObject element, int value) => element.SetValue(PasswordLengthProperty, value);
+
+    public static int GetPasswordLength(DependencyObject element) => (int) element.GetValue(PasswordLengthProperty);
+
+    /// <summary>
+    ///     是否监测
+    /// </summary>
+    public static readonly DependencyProperty IsMonitoringProperty = DependencyProperty.RegisterAttached(
+        "IsMonitoring", typeof(bool), typeof(PasswordBoxAttach), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits, OnIsMonitoringChanged));
+
+    private static void OnIsMonitoringChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        /// <summary>
-        ///     密码长度
-        /// </summary>
-        public static readonly DependencyProperty PasswordLengthProperty = DependencyProperty.RegisterAttached(
-            "PasswordLength", typeof(int), typeof(PasswordBoxAttach), new PropertyMetadata(ValueBoxes.Int0Box));
-
-        public static void SetPasswordLength(DependencyObject element, int value) => element.SetValue(PasswordLengthProperty, value);
-
-        public static int GetPasswordLength(DependencyObject element) => (int) element.GetValue(PasswordLengthProperty);
-
-        /// <summary>
-        ///     是否监测
-        /// </summary>
-        public static readonly DependencyProperty IsMonitoringProperty = DependencyProperty.RegisterAttached(
-            "IsMonitoring", typeof(bool), typeof(PasswordBoxAttach), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits, OnIsMonitoringChanged));
-
-        private static void OnIsMonitoringChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (d is System.Windows.Controls.PasswordBox passwordBox)
         {
-            if (d is System.Windows.Controls.PasswordBox passwordBox)
+            if (e.NewValue is bool boolValue)
             {
-                if (e.NewValue is bool boolValue)
+                if (boolValue)
                 {
-                    if (boolValue)
-                    {
-                        passwordBox.PasswordChanged += PasswordChanged;
-                    }
-                    else
-                    {
-                        passwordBox.PasswordChanged -= PasswordChanged;
-                    }
+                    passwordBox.PasswordChanged += PasswordChanged;
+                }
+                else
+                {
+                    passwordBox.PasswordChanged -= PasswordChanged;
                 }
             }
         }
+    }
 
-        public static void SetIsMonitoring(DependencyObject element, bool value) => element.SetValue(IsMonitoringProperty, ValueBoxes.BooleanBox(value));
+    public static void SetIsMonitoring(DependencyObject element, bool value) => element.SetValue(IsMonitoringProperty, ValueBoxes.BooleanBox(value));
 
-        public static bool GetIsMonitoring(DependencyObject element) => (bool) element.GetValue(IsMonitoringProperty);
+    public static bool GetIsMonitoring(DependencyObject element) => (bool) element.GetValue(IsMonitoringProperty);
 
-        private static void PasswordChanged(object sender, RoutedEventArgs e)
+    private static void PasswordChanged(object sender, RoutedEventArgs e)
+    {
+        if (sender is System.Windows.Controls.PasswordBox passwordBox)
         {
-            if (sender is System.Windows.Controls.PasswordBox passwordBox)
-            {
-                SetPasswordLength(passwordBox, passwordBox.Password.Length);
-            }
+            SetPasswordLength(passwordBox, passwordBox.Password.Length);
         }
     }
 }

src/Shared/HandyControl_Shared/Controls/Attach/RectangleAttach.cs

@@ -4,42 +4,41 @@ using System.Windows.Shapes;
 using HandyControl.Data;
 using HandyControl.Tools.Converter;
 
-namespace HandyControl.Controls
-{
-    public class RectangleAttach
-    {
-        public static readonly DependencyProperty CircularProperty = DependencyProperty.RegisterAttached(
-            "Circular", typeof(bool), typeof(RectangleAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnCircularChanged));
+namespace HandyControl.Controls;
 
-        private static void OnCircularChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+public class RectangleAttach
+{
+    public static readonly DependencyProperty CircularProperty = DependencyProperty.RegisterAttached(
+        "Circular", typeof(bool), typeof(RectangleAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnCircularChanged));
+
+    private static void OnCircularChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is Rectangle rectangle)
         {
-            if (d is Rectangle rectangle)
+            if ((bool) e.NewValue)
             {
-                if ((bool) e.NewValue)
+                var binding = new MultiBinding
                 {
-                    var binding = new MultiBinding
-                    {
-                        Converter = new RectangleCircularConverter()
-                    };
-                    binding.Bindings.Add(new Binding(FrameworkElement.ActualWidthProperty.Name) { Source = rectangle });
-                    binding.Bindings.Add(new Binding(FrameworkElement.ActualHeightProperty.Name) { Source = rectangle });
-                    rectangle.SetBinding(Rectangle.RadiusXProperty, binding);
-                    rectangle.SetBinding(Rectangle.RadiusYProperty, binding);
-                }
-                else
-                {
-                    BindingOperations.ClearBinding(rectangle, FrameworkElement.ActualWidthProperty);
-                    BindingOperations.ClearBinding(rectangle, FrameworkElement.ActualHeightProperty);
-                    BindingOperations.ClearBinding(rectangle, Rectangle.RadiusXProperty);
-                    BindingOperations.ClearBinding(rectangle, Rectangle.RadiusYProperty);
-                }
+                    Converter = new RectangleCircularConverter()
+                };
+                binding.Bindings.Add(new Binding(FrameworkElement.ActualWidthProperty.Name) { Source = rectangle });
+                binding.Bindings.Add(new Binding(FrameworkElement.ActualHeightProperty.Name) { Source = rectangle });
+                rectangle.SetBinding(Rectangle.RadiusXProperty, binding);
+                rectangle.SetBinding(Rectangle.RadiusYProperty, binding);
+            }
+            else
+            {
+                BindingOperations.ClearBinding(rectangle, FrameworkElement.ActualWidthProperty);
+                BindingOperations.ClearBinding(rectangle, FrameworkElement.ActualHeightProperty);
+                BindingOperations.ClearBinding(rectangle, Rectangle.RadiusXProperty);
+                BindingOperations.ClearBinding(rectangle, Rectangle.RadiusYProperty);
             }
         }
-
-        public static void SetCircular(DependencyObject element, bool value)
-            => element.SetValue(CircularProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetCircular(DependencyObject element)
-            => (bool) element.GetValue(CircularProperty);
     }
+
+    public static void SetCircular(DependencyObject element, bool value)
+        => element.SetValue(CircularProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetCircular(DependencyObject element)
+        => (bool) element.GetValue(CircularProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/ScrollViewerAttach.cs

@@ -3,54 +3,53 @@ using System.Windows;
 using System.Windows.Controls;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class ScrollViewerAttach
 {
-    public class ScrollViewerAttach
+    public static readonly DependencyProperty AutoHideProperty = DependencyProperty.RegisterAttached(
+        "AutoHide", typeof(bool), typeof(ScrollViewerAttach), new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.Inherits));
+
+    public static void SetAutoHide(DependencyObject element, bool value)
+        => element.SetValue(AutoHideProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetAutoHide(DependencyObject element)
+        => (bool) element.GetValue(AutoHideProperty);
+
+    public static readonly DependencyProperty OrientationProperty = DependencyProperty.RegisterAttached(
+        "Orientation", typeof(Orientation), typeof(ScrollViewerAttach), new FrameworkPropertyMetadata(ValueBoxes.VerticalBox, FrameworkPropertyMetadataOptions.Inherits, OnOrientationChanged));
+
+    private static void OnOrientationChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        public static readonly DependencyProperty AutoHideProperty = DependencyProperty.RegisterAttached(
-            "AutoHide", typeof(bool), typeof(ScrollViewerAttach), new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.Inherits));
-
-        public static void SetAutoHide(DependencyObject element, bool value)
-            => element.SetValue(AutoHideProperty, value);
-
-        public static bool GetAutoHide(DependencyObject element)
-            => (bool) element.GetValue(AutoHideProperty);
-
-        public static readonly DependencyProperty OrientationProperty = DependencyProperty.RegisterAttached(
-            "Orientation", typeof(Orientation), typeof(ScrollViewerAttach), new FrameworkPropertyMetadata(ValueBoxes.VerticalBox, FrameworkPropertyMetadataOptions.Inherits, OnOrientationChanged));
-
-        private static void OnOrientationChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (d is ScrollViewer)
         {
-            if (d is ScrollViewer)
-            {
-                return;
-            }
-
-            if (d is System.Windows.Controls.ScrollViewer scrollViewer)
-            {
-                if ((Orientation) e.NewValue == Orientation.Horizontal)
-                {
-                    scrollViewer.PreviewMouseWheel += ScrollViewer_PreviewMouseWheel;
-                }
-                else
-                {
-                    scrollViewer.PreviewMouseWheel -= ScrollViewer_PreviewMouseWheel;
-                }
-            }
+            return;
         }
 
-        private static void ScrollViewer_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
+        if (d is System.Windows.Controls.ScrollViewer scrollViewer)
         {
-            var scrollViewer = (System.Windows.Controls.ScrollViewer) sender;
-            scrollViewer.ScrollToHorizontalOffset(Math.Min(Math.Max(0, scrollViewer.HorizontalOffset - e.Delta), scrollViewer.ScrollableWidth));
-
-            e.Handled = true;
+            if ((Orientation) e.NewValue == Orientation.Horizontal)
+            {
+                scrollViewer.PreviewMouseWheel += ScrollViewer_PreviewMouseWheel;
+            }
+            else
+            {
+                scrollViewer.PreviewMouseWheel -= ScrollViewer_PreviewMouseWheel;
+            }
         }
-
-        public static void SetOrientation(DependencyObject element, Orientation value)
-            => element.SetValue(OrientationProperty, ValueBoxes.OrientationBox(value));
-
-        public static Orientation GetOrientation(DependencyObject element)
-            => (Orientation) element.GetValue(OrientationProperty);
     }
+
+    private static void ScrollViewer_PreviewMouseWheel(object sender, System.Windows.Input.MouseWheelEventArgs e)
+    {
+        var scrollViewer = (System.Windows.Controls.ScrollViewer) sender;
+        scrollViewer.ScrollToHorizontalOffset(Math.Min(Math.Max(0, scrollViewer.HorizontalOffset - e.Delta), scrollViewer.ScrollableWidth));
+
+        e.Handled = true;
+    }
+
+    public static void SetOrientation(DependencyObject element, Orientation value)
+        => element.SetValue(OrientationProperty, ValueBoxes.OrientationBox(value));
+
+    public static Orientation GetOrientation(DependencyObject element)
+        => (Orientation) element.GetValue(OrientationProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/StatusSwitchElement.cs

@@ -1,28 +1,27 @@
 using System.Windows;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class StatusSwitchElement
 {
-    public class StatusSwitchElement
-    {
-        /// <summary>
-        ///     选中时展示的元素
-        /// </summary>
-        public static readonly DependencyProperty CheckedElementProperty = DependencyProperty.RegisterAttached(
-            "CheckedElement", typeof(object), typeof(StatusSwitchElement), new PropertyMetadata(default(object)));
+    /// <summary>
+    ///     选中时展示的元素
+    /// </summary>
+    public static readonly DependencyProperty CheckedElementProperty = DependencyProperty.RegisterAttached(
+        "CheckedElement", typeof(object), typeof(StatusSwitchElement), new PropertyMetadata(default(object)));
 
-        public static void SetCheckedElement(DependencyObject element, object value) => element.SetValue(CheckedElementProperty, value);
+    public static void SetCheckedElement(DependencyObject element, object value) => element.SetValue(CheckedElementProperty, value);
 
-        public static object GetCheckedElement(DependencyObject element) => element.GetValue(CheckedElementProperty);
+    public static object GetCheckedElement(DependencyObject element) => element.GetValue(CheckedElementProperty);
 
-        /// <summary>
-        ///     是否隐藏元素
-        /// </summary>
-        public static readonly DependencyProperty HideUncheckedElementProperty = DependencyProperty.RegisterAttached(
-            "HideUncheckedElement", typeof(bool), typeof(StatusSwitchElement), new PropertyMetadata(ValueBoxes.FalseBox));
+    /// <summary>
+    ///     是否隐藏元素
+    /// </summary>
+    public static readonly DependencyProperty HideUncheckedElementProperty = DependencyProperty.RegisterAttached(
+        "HideUncheckedElement", typeof(bool), typeof(StatusSwitchElement), new PropertyMetadata(ValueBoxes.FalseBox));
 
-        public static void SetHideUncheckedElement(DependencyObject element, bool value) => element.SetValue(HideUncheckedElementProperty, ValueBoxes.BooleanBox(value));
+    public static void SetHideUncheckedElement(DependencyObject element, bool value) => element.SetValue(HideUncheckedElementProperty, ValueBoxes.BooleanBox(value));
 
-        public static bool GetHideUncheckedElement(DependencyObject element) => (bool) element.GetValue(HideUncheckedElementProperty);
-    }
+    public static bool GetHideUncheckedElement(DependencyObject element) => (bool) element.GetValue(HideUncheckedElementProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/TextBlockAttach.cs

@@ -5,67 +5,66 @@ using System.Windows.Media;
 using HandyControl.Data;
 using HandyControl.Tools.Helper;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class TextBlockAttach
 {
-    public class TextBlockAttach
+    public static readonly DependencyProperty AutoTooltipProperty = DependencyProperty.RegisterAttached(
+        "AutoTooltip", typeof(bool), typeof(TextBlockAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnAutoTooltipChanged));
+
+    private static void OnAutoTooltipChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        public static readonly DependencyProperty AutoTooltipProperty = DependencyProperty.RegisterAttached(
-            "AutoTooltip", typeof(bool), typeof(TextBlockAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnAutoTooltipChanged));
-
-        private static void OnAutoTooltipChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (d is TextBlock ctl)
         {
-            if (d is TextBlock ctl)
+            if ((bool) e.NewValue)
             {
-                if ((bool) e.NewValue)
-                {
-                    UpdateTooltip(ctl);
-                    ctl.SizeChanged += TextBlock_SizeChanged;
-                }
-                else
-                {
-                    ctl.SizeChanged -= TextBlock_SizeChanged;
-                }
-            }
-        }
-
-        public static void SetAutoTooltip(DependencyObject element, bool value)
-            => element.SetValue(AutoTooltipProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetAutoTooltip(DependencyObject element)
-            => (bool) element.GetValue(AutoTooltipProperty);
-
-        private static void TextBlock_SizeChanged(object sender, SizeChangedEventArgs e)
-        {
-            if (sender is TextBlock textBlock)
-            {
-                UpdateTooltip(textBlock);
-            }
-        }
-
-        private static void UpdateTooltip(TextBlock textBlock)
-        {
-            textBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
-            var width = textBlock.DesiredSize.Width - textBlock.Margin.Left - textBlock.Margin.Right;
-
-            // the code Math.Abs(CalcTextWidth(textBlock) - width) > 1 is not elegant end even bugly,
-            // while it does solve the problem of Tooltip failure in some cases
-            if (textBlock.RenderSize.Width > width || textBlock.ActualWidth < width || Math.Abs(CalcTextWidth(textBlock) - width) > 1)
-            {
-                ToolTipService.SetToolTip(textBlock, textBlock.Text);
+                UpdateTooltip(ctl);
+                ctl.SizeChanged += TextBlock_SizeChanged;
             }
             else
             {
-                ToolTipService.SetToolTip(textBlock, null);
+                ctl.SizeChanged -= TextBlock_SizeChanged;
             }
         }
+    }
 
-        private static double CalcTextWidth(TextBlock textBlock)
+    public static void SetAutoTooltip(DependencyObject element, bool value)
+        => element.SetValue(AutoTooltipProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetAutoTooltip(DependencyObject element)
+        => (bool) element.GetValue(AutoTooltipProperty);
+
+    private static void TextBlock_SizeChanged(object sender, SizeChangedEventArgs e)
+    {
+        if (sender is TextBlock textBlock)
         {
-            var formattedText = TextHelper.CreateFormattedText(textBlock.Text, textBlock.FlowDirection,
-                new Typeface(textBlock.FontFamily, textBlock.FontStyle, textBlock.FontWeight, textBlock.FontStretch),
-                textBlock.FontSize);
-
-            return formattedText.WidthIncludingTrailingWhitespace;
+            UpdateTooltip(textBlock);
         }
     }
+
+    private static void UpdateTooltip(TextBlock textBlock)
+    {
+        textBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
+        var width = textBlock.DesiredSize.Width - textBlock.Margin.Left - textBlock.Margin.Right;
+
+        // the code Math.Abs(CalcTextWidth(textBlock) - width) > 1 is not elegant end even bugly,
+        // while it does solve the problem of Tooltip failure in some cases
+        if (textBlock.RenderSize.Width > width || textBlock.ActualWidth < width || Math.Abs(CalcTextWidth(textBlock) - width) > 1)
+        {
+            ToolTipService.SetToolTip(textBlock, textBlock.Text);
+        }
+        else
+        {
+            ToolTipService.SetToolTip(textBlock, null);
+        }
+    }
+
+    private static double CalcTextWidth(TextBlock textBlock)
+    {
+        var formattedText = TextHelper.CreateFormattedText(textBlock.Text, textBlock.FlowDirection,
+            new Typeface(textBlock.FontFamily, textBlock.FontStyle, textBlock.FontWeight, textBlock.FontStretch),
+            textBlock.FontSize);
+
+        return formattedText.WidthIncludingTrailingWhitespace;
+    }
 }

src/Shared/HandyControl_Shared/Controls/Attach/TipElement.cs

@@ -1,31 +1,30 @@
 using System.Windows;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class TipElement
 {
-    public class TipElement
-    {
-        public static readonly DependencyProperty VisibilityProperty = DependencyProperty.RegisterAttached(
-            "Visibility", typeof(Visibility), typeof(TipElement), new PropertyMetadata(Visibility.Collapsed));
+    public static readonly DependencyProperty VisibilityProperty = DependencyProperty.RegisterAttached(
+        "Visibility", typeof(Visibility), typeof(TipElement), new PropertyMetadata(Visibility.Collapsed));
 
-        public static void SetVisibility(DependencyObject element, Visibility value) => element.SetValue(VisibilityProperty, value);
+    public static void SetVisibility(DependencyObject element, Visibility value) => element.SetValue(VisibilityProperty, value);
 
-        public static Visibility GetVisibility(DependencyObject element) => (Visibility) element.GetValue(VisibilityProperty);
+    public static Visibility GetVisibility(DependencyObject element) => (Visibility) element.GetValue(VisibilityProperty);
 
-        public static readonly DependencyProperty PlacementProperty = DependencyProperty.RegisterAttached(
-            "Placement", typeof(PlacementType), typeof(TipElement), new PropertyMetadata(default(PlacementType)));
+    public static readonly DependencyProperty PlacementProperty = DependencyProperty.RegisterAttached(
+        "Placement", typeof(PlacementType), typeof(TipElement), new PropertyMetadata(default(PlacementType)));
 
-        public static void SetPlacement(DependencyObject element, PlacementType value) => element.SetValue(PlacementProperty, value);
+    public static void SetPlacement(DependencyObject element, PlacementType value) => element.SetValue(PlacementProperty, value);
 
-        public static PlacementType GetPlacement(DependencyObject element) => (PlacementType) element.GetValue(PlacementProperty);
+    public static PlacementType GetPlacement(DependencyObject element) => (PlacementType) element.GetValue(PlacementProperty);
 
-        public static readonly DependencyProperty StringFormatProperty = DependencyProperty.RegisterAttached(
-            "StringFormat", typeof(string), typeof(TipElement), new PropertyMetadata("#0.0"));
+    public static readonly DependencyProperty StringFormatProperty = DependencyProperty.RegisterAttached(
+        "StringFormat", typeof(string), typeof(TipElement), new PropertyMetadata("#0.0"));
 
-        public static void SetStringFormat(DependencyObject element, string value)
-            => element.SetValue(StringFormatProperty, value);
+    public static void SetStringFormat(DependencyObject element, string value)
+        => element.SetValue(StringFormatProperty, value);
 
-        public static string GetStringFormat(DependencyObject element)
-            => (string) element.GetValue(StringFormatProperty);
-    }
+    public static string GetStringFormat(DependencyObject element)
+        => (string) element.GetValue(StringFormatProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/TitleElement.cs

@@ -2,87 +2,86 @@
 using System.Windows.Media;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class TitleElement
 {
-    public class TitleElement
-    {
-        public static readonly DependencyProperty TitleProperty = DependencyProperty.RegisterAttached(
-            "Title", typeof(string), typeof(TitleElement), new PropertyMetadata(default(string)));
+    public static readonly DependencyProperty TitleProperty = DependencyProperty.RegisterAttached(
+        "Title", typeof(string), typeof(TitleElement), new PropertyMetadata(default(string)));
 
-        public static void SetTitle(DependencyObject element, string value)
-            => element.SetValue(TitleProperty, value);
+    public static void SetTitle(DependencyObject element, string value)
+        => element.SetValue(TitleProperty, value);
 
-        public static string GetTitle(DependencyObject element)
-            => (string) element.GetValue(TitleProperty);
+    public static string GetTitle(DependencyObject element)
+        => (string) element.GetValue(TitleProperty);
 
-        public static readonly DependencyProperty BackgroundProperty = DependencyProperty.RegisterAttached(
-            "Background", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty BackgroundProperty = DependencyProperty.RegisterAttached(
+        "Background", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetBackground(DependencyObject element, Brush value)
-            => element.SetValue(BackgroundProperty, value);
+    public static void SetBackground(DependencyObject element, Brush value)
+        => element.SetValue(BackgroundProperty, value);
 
-        public static Brush GetBackground(DependencyObject element)
-            => (Brush) element.GetValue(BackgroundProperty);
+    public static Brush GetBackground(DependencyObject element)
+        => (Brush) element.GetValue(BackgroundProperty);
 
-        public static readonly DependencyProperty ForegroundProperty = DependencyProperty.RegisterAttached(
-            "Foreground", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty ForegroundProperty = DependencyProperty.RegisterAttached(
+        "Foreground", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetForeground(DependencyObject element, Brush value)
-            => element.SetValue(ForegroundProperty, value);
+    public static void SetForeground(DependencyObject element, Brush value)
+        => element.SetValue(ForegroundProperty, value);
 
-        public static Brush GetForeground(DependencyObject element)
-            => (Brush) element.GetValue(ForegroundProperty);
+    public static Brush GetForeground(DependencyObject element)
+        => (Brush) element.GetValue(ForegroundProperty);
 
-        public static readonly DependencyProperty BorderBrushProperty = DependencyProperty.RegisterAttached(
-            "BorderBrush", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty BorderBrushProperty = DependencyProperty.RegisterAttached(
+        "BorderBrush", typeof(Brush), typeof(TitleElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetBorderBrush(DependencyObject element, Brush value)
-            => element.SetValue(BorderBrushProperty, value);
+    public static void SetBorderBrush(DependencyObject element, Brush value)
+        => element.SetValue(BorderBrushProperty, value);
 
-        public static Brush GetBorderBrush(DependencyObject element)
-            => (Brush) element.GetValue(BorderBrushProperty);
+    public static Brush GetBorderBrush(DependencyObject element)
+        => (Brush) element.GetValue(BorderBrushProperty);
 
-        public static readonly DependencyProperty TitlePlacementProperty = DependencyProperty.RegisterAttached(
-            "TitlePlacement", typeof(TitlePlacementType), typeof(TitleElement), new FrameworkPropertyMetadata(TitlePlacementType.Top, FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty TitlePlacementProperty = DependencyProperty.RegisterAttached(
+        "TitlePlacement", typeof(TitlePlacementType), typeof(TitleElement), new FrameworkPropertyMetadata(TitlePlacementType.Top, FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetTitlePlacement(DependencyObject element, TitlePlacementType value)
-            => element.SetValue(TitlePlacementProperty, value);
+    public static void SetTitlePlacement(DependencyObject element, TitlePlacementType value)
+        => element.SetValue(TitlePlacementProperty, value);
 
-        public static TitlePlacementType GetTitlePlacement(DependencyObject element)
-            => (TitlePlacementType) element.GetValue(TitlePlacementProperty);
+    public static TitlePlacementType GetTitlePlacement(DependencyObject element)
+        => (TitlePlacementType) element.GetValue(TitlePlacementProperty);
 
-        public static readonly DependencyProperty TitleWidthProperty = DependencyProperty.RegisterAttached(
-            "TitleWidth", typeof(GridLength), typeof(TitleElement), new FrameworkPropertyMetadata(GridLength.Auto, FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty TitleWidthProperty = DependencyProperty.RegisterAttached(
+        "TitleWidth", typeof(GridLength), typeof(TitleElement), new FrameworkPropertyMetadata(GridLength.Auto, FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetTitleWidth(DependencyObject element, GridLength value) => element.SetValue(TitleWidthProperty, value);
+    public static void SetTitleWidth(DependencyObject element, GridLength value) => element.SetValue(TitleWidthProperty, value);
 
-        public static GridLength GetTitleWidth(DependencyObject element) => (GridLength) element.GetValue(TitleWidthProperty);
+    public static GridLength GetTitleWidth(DependencyObject element) => (GridLength) element.GetValue(TitleWidthProperty);
 
-        public static readonly DependencyProperty HorizontalAlignmentProperty = DependencyProperty.RegisterAttached(
-            "HorizontalAlignment", typeof(HorizontalAlignment), typeof(TitleElement), new FrameworkPropertyMetadata(default(HorizontalAlignment), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty HorizontalAlignmentProperty = DependencyProperty.RegisterAttached(
+        "HorizontalAlignment", typeof(HorizontalAlignment), typeof(TitleElement), new FrameworkPropertyMetadata(default(HorizontalAlignment), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetHorizontalAlignment(DependencyObject element, HorizontalAlignment value)
-            => element.SetValue(HorizontalAlignmentProperty, value);
+    public static void SetHorizontalAlignment(DependencyObject element, HorizontalAlignment value)
+        => element.SetValue(HorizontalAlignmentProperty, value);
 
-        public static HorizontalAlignment GetHorizontalAlignment(DependencyObject element)
-            => (HorizontalAlignment) element.GetValue(HorizontalAlignmentProperty);
+    public static HorizontalAlignment GetHorizontalAlignment(DependencyObject element)
+        => (HorizontalAlignment) element.GetValue(HorizontalAlignmentProperty);
 
-        public static readonly DependencyProperty VerticalAlignmentProperty = DependencyProperty.RegisterAttached(
-            "VerticalAlignment", typeof(VerticalAlignment), typeof(TitleElement), new FrameworkPropertyMetadata(default(VerticalAlignment), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty VerticalAlignmentProperty = DependencyProperty.RegisterAttached(
+        "VerticalAlignment", typeof(VerticalAlignment), typeof(TitleElement), new FrameworkPropertyMetadata(default(VerticalAlignment), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetVerticalAlignment(DependencyObject element, VerticalAlignment value)
-            => element.SetValue(VerticalAlignmentProperty, value);
+    public static void SetVerticalAlignment(DependencyObject element, VerticalAlignment value)
+        => element.SetValue(VerticalAlignmentProperty, value);
 
-        public static VerticalAlignment GetVerticalAlignment(DependencyObject element)
-            => (VerticalAlignment) element.GetValue(VerticalAlignmentProperty);
+    public static VerticalAlignment GetVerticalAlignment(DependencyObject element)
+        => (VerticalAlignment) element.GetValue(VerticalAlignmentProperty);
 
-        public static readonly DependencyProperty MarginOnTheLeftProperty = DependencyProperty.RegisterAttached(
-            "MarginOnTheLeft", typeof(Thickness), typeof(TitleElement), new FrameworkPropertyMetadata(default(Thickness), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty MarginOnTheLeftProperty = DependencyProperty.RegisterAttached(
+        "MarginOnTheLeft", typeof(Thickness), typeof(TitleElement), new FrameworkPropertyMetadata(default(Thickness), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetMarginOnTheLeft(DependencyObject element, Thickness value)
-            => element.SetValue(MarginOnTheLeftProperty, value);
+    public static void SetMarginOnTheLeft(DependencyObject element, Thickness value)
+        => element.SetValue(MarginOnTheLeftProperty, value);
 
-        public static Thickness GetMarginOnTheLeft(DependencyObject element)
-            => (Thickness) element.GetValue(MarginOnTheLeftProperty);
-    }
+    public static Thickness GetMarginOnTheLeft(DependencyObject element)
+        => (Thickness) element.GetValue(MarginOnTheLeftProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/VisualElement.cs

@@ -1,53 +1,52 @@
 using System.Windows;
 using System.Windows.Media;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class VisualElement
 {
-    public class VisualElement
-    {
-        public static readonly DependencyProperty HighlightBrushProperty = DependencyProperty.RegisterAttached(
-            "HighlightBrush", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty HighlightBrushProperty = DependencyProperty.RegisterAttached(
+        "HighlightBrush", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetHighlightBrush(DependencyObject element, Brush value)
-            => element.SetValue(HighlightBrushProperty, value);
+    public static void SetHighlightBrush(DependencyObject element, Brush value)
+        => element.SetValue(HighlightBrushProperty, value);
 
-        public static Brush GetHighlightBrush(DependencyObject element)
-            => (Brush) element.GetValue(HighlightBrushProperty);
+    public static Brush GetHighlightBrush(DependencyObject element)
+        => (Brush) element.GetValue(HighlightBrushProperty);
 
-        public static readonly DependencyProperty HighlightBackgroundProperty = DependencyProperty.RegisterAttached(
-            "HighlightBackground", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty HighlightBackgroundProperty = DependencyProperty.RegisterAttached(
+        "HighlightBackground", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetHighlightBackground(DependencyObject element, Brush value)
-            => element.SetValue(HighlightBackgroundProperty, value);
+    public static void SetHighlightBackground(DependencyObject element, Brush value)
+        => element.SetValue(HighlightBackgroundProperty, value);
 
-        public static Brush GetHighlightBackground(DependencyObject element)
-            => (Brush) element.GetValue(HighlightBackgroundProperty);
+    public static Brush GetHighlightBackground(DependencyObject element)
+        => (Brush) element.GetValue(HighlightBackgroundProperty);
 
-        public static readonly DependencyProperty HighlightBorderBrushProperty = DependencyProperty.RegisterAttached(
-            "HighlightBorderBrush", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty HighlightBorderBrushProperty = DependencyProperty.RegisterAttached(
+        "HighlightBorderBrush", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetHighlightBorderBrush(DependencyObject element, Brush value)
-            => element.SetValue(HighlightBorderBrushProperty, value);
+    public static void SetHighlightBorderBrush(DependencyObject element, Brush value)
+        => element.SetValue(HighlightBorderBrushProperty, value);
 
-        public static Brush GetHighlightBorderBrush(DependencyObject element)
-            => (Brush) element.GetValue(HighlightBorderBrushProperty);
+    public static Brush GetHighlightBorderBrush(DependencyObject element)
+        => (Brush) element.GetValue(HighlightBorderBrushProperty);
 
-        public static readonly DependencyProperty HighlightForegroundProperty = DependencyProperty.RegisterAttached(
-            "HighlightForeground", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
+    public static readonly DependencyProperty HighlightForegroundProperty = DependencyProperty.RegisterAttached(
+        "HighlightForeground", typeof(Brush), typeof(VisualElement), new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.Inherits));
 
-        public static void SetHighlightForeground(DependencyObject element, Brush value)
-            => element.SetValue(HighlightForegroundProperty, value);
+    public static void SetHighlightForeground(DependencyObject element, Brush value)
+        => element.SetValue(HighlightForegroundProperty, value);
 
-        public static Brush GetHighlightForeground(DependencyObject element)
-            => (Brush) element.GetValue(HighlightForegroundProperty);
+    public static Brush GetHighlightForeground(DependencyObject element)
+        => (Brush) element.GetValue(HighlightForegroundProperty);
 
-        public static readonly DependencyProperty TextProperty = DependencyProperty.RegisterAttached(
-            "Text", typeof(string), typeof(VisualElement), new PropertyMetadata(default(string)));
+    public static readonly DependencyProperty TextProperty = DependencyProperty.RegisterAttached(
+        "Text", typeof(string), typeof(VisualElement), new PropertyMetadata(default(string)));
 
-        public static void SetText(DependencyObject element, string value)
-            => element.SetValue(TextProperty, value);
+    public static void SetText(DependencyObject element, string value)
+        => element.SetValue(TextProperty, value);
 
-        public static string GetText(DependencyObject element)
-            => (string) element.GetValue(TextProperty);
-    }
+    public static string GetText(DependencyObject element)
+        => (string) element.GetValue(TextProperty);
 }

src/Shared/HandyControl_Shared/Controls/Attach/WindowAttach.cs

@@ -6,144 +6,143 @@ using System.Windows.Interop;
 using HandyControl.Data;
 using HandyControl.Tools.Interop;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public static class WindowAttach
 {
-    public static class WindowAttach
+    public static readonly DependencyProperty IsDragElementProperty = DependencyProperty.RegisterAttached(
+        "IsDragElement", typeof(bool), typeof(WindowAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnIsDragElementChanged));
+
+    public static void SetIsDragElement(DependencyObject element, bool value)
+        => element.SetValue(IsDragElementProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetIsDragElement(DependencyObject element)
+        => (bool) element.GetValue(IsDragElementProperty);
+
+    private static void OnIsDragElementChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        public static readonly DependencyProperty IsDragElementProperty = DependencyProperty.RegisterAttached(
-            "IsDragElement", typeof(bool), typeof(WindowAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnIsDragElementChanged));
-
-        public static void SetIsDragElement(DependencyObject element, bool value)
-            => element.SetValue(IsDragElementProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetIsDragElement(DependencyObject element)
-            => (bool) element.GetValue(IsDragElementProperty);
-
-        private static void OnIsDragElementChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (d is UIElement ctl)
         {
-            if (d is UIElement ctl)
+            if ((bool) e.NewValue)
             {
-                if ((bool) e.NewValue)
-                {
-                    ctl.MouseLeftButtonDown += DragElement_MouseLeftButtonDown;
-                }
-                else
-                {
-                    ctl.MouseLeftButtonDown -= DragElement_MouseLeftButtonDown;
-                }
+                ctl.MouseLeftButtonDown += DragElement_MouseLeftButtonDown;
+            }
+            else
+            {
+                ctl.MouseLeftButtonDown -= DragElement_MouseLeftButtonDown;
             }
         }
-
-        private static void DragElement_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
-        {
-            if (sender is DependencyObject obj && e.ButtonState == MouseButtonState.Pressed)
-            {
-                System.Windows.Window.GetWindow(obj)?.DragMove();
-            }
-        }
-
-        public static readonly DependencyProperty IgnoreAltF4Property = DependencyProperty.RegisterAttached(
-            "IgnoreAltF4", typeof(bool), typeof(WindowAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnIgnoreAltF4Changed));
-
-        private static void OnIgnoreAltF4Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is System.Windows.Window window)
-            {
-                if ((bool) e.NewValue)
-                {
-                    window.PreviewKeyDown += Window_PreviewKeyDown;
-                }
-                else
-                {
-                    window.PreviewKeyDown -= Window_PreviewKeyDown;
-                }
-            }
-        }
-
-        private static void Window_PreviewKeyDown(object sender, KeyEventArgs e)
-        {
-            if (e.Key == Key.System && e.SystemKey == Key.F4)
-            {
-                e.Handled = true;
-            }
-        }
-
-        public static void SetIgnoreAltF4(DependencyObject element, bool value)
-            => element.SetValue(IgnoreAltF4Property, ValueBoxes.BooleanBox(value));
-
-        public static bool GetIgnoreAltF4(DependencyObject element)
-            => (bool) element.GetValue(IgnoreAltF4Property);
-
-        public static readonly DependencyProperty ShowInTaskManagerProperty = DependencyProperty.RegisterAttached(
-            "ShowInTaskManager", typeof(bool), typeof(WindowAttach), new PropertyMetadata(ValueBoxes.TrueBox, OnShowInTaskManagerChanged));
-
-        private static void OnShowInTaskManagerChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is System.Windows.Window window)
-            {
-                var v = (bool) e.NewValue;
-                window.SetCurrentValue(System.Windows.Window.ShowInTaskbarProperty, v);
-
-                if (v)
-                {
-                    window.SourceInitialized -= Window_SourceInitialized;
-                }
-                else
-                {
-                    window.SourceInitialized += Window_SourceInitialized;
-                }
-            }
-        }
-
-        private static void Window_SourceInitialized(object sender, EventArgs e)
-        {
-            if (sender is System.Windows.Window window)
-            {
-                var _ = new WindowInteropHelper(window)
-                {
-                    Owner = InteropMethods.GetDesktopWindow()
-                };
-            }
-        }
-
-        public static void SetShowInTaskManager(DependencyObject element, bool value)
-            => element.SetValue(ShowInTaskManagerProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetShowInTaskManager(DependencyObject element)
-            => (bool) element.GetValue(ShowInTaskManagerProperty);
-
-        public static readonly DependencyProperty HideWhenClosingProperty = DependencyProperty.RegisterAttached(
-            "HideWhenClosing", typeof(bool), typeof(WindowAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnHideWhenClosingChanged));
-
-        private static void OnHideWhenClosingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is System.Windows.Window window)
-            {
-                var v = (bool) e.NewValue;
-                if (v)
-                {
-                    window.Closing += Window_Closing;
-                }
-                else
-                {
-                    window.Closing -= Window_Closing;
-                }
-            }
-        }
-
-        private static void Window_Closing(object sender, CancelEventArgs e)
-        {
-            if (sender is System.Windows.Window window)
-            {
-                window.Hide();
-                e.Cancel = true;
-            }
-        }
-
-        public static void SetHideWhenClosing(DependencyObject element, bool value)
-            => element.SetValue(HideWhenClosingProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetHideWhenClosing(DependencyObject element)
-            => (bool) element.GetValue(HideWhenClosingProperty);
     }
+
+    private static void DragElement_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+    {
+        if (sender is DependencyObject obj && e.ButtonState == MouseButtonState.Pressed)
+        {
+            System.Windows.Window.GetWindow(obj)?.DragMove();
+        }
+    }
+
+    public static readonly DependencyProperty IgnoreAltF4Property = DependencyProperty.RegisterAttached(
+        "IgnoreAltF4", typeof(bool), typeof(WindowAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnIgnoreAltF4Changed));
+
+    private static void OnIgnoreAltF4Changed(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is System.Windows.Window window)
+        {
+            if ((bool) e.NewValue)
+            {
+                window.PreviewKeyDown += Window_PreviewKeyDown;
+            }
+            else
+            {
+                window.PreviewKeyDown -= Window_PreviewKeyDown;
+            }
+        }
+    }
+
+    private static void Window_PreviewKeyDown(object sender, KeyEventArgs e)
+    {
+        if (e.Key == Key.System && e.SystemKey == Key.F4)
+        {
+            e.Handled = true;
+        }
+    }
+
+    public static void SetIgnoreAltF4(DependencyObject element, bool value)
+        => element.SetValue(IgnoreAltF4Property, ValueBoxes.BooleanBox(value));
+
+    public static bool GetIgnoreAltF4(DependencyObject element)
+        => (bool) element.GetValue(IgnoreAltF4Property);
+
+    public static readonly DependencyProperty ShowInTaskManagerProperty = DependencyProperty.RegisterAttached(
+        "ShowInTaskManager", typeof(bool), typeof(WindowAttach), new PropertyMetadata(ValueBoxes.TrueBox, OnShowInTaskManagerChanged));
+
+    private static void OnShowInTaskManagerChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is System.Windows.Window window)
+        {
+            var v = (bool) e.NewValue;
+            window.SetCurrentValue(System.Windows.Window.ShowInTaskbarProperty, v);
+
+            if (v)
+            {
+                window.SourceInitialized -= Window_SourceInitialized;
+            }
+            else
+            {
+                window.SourceInitialized += Window_SourceInitialized;
+            }
+        }
+    }
+
+    private static void Window_SourceInitialized(object sender, EventArgs e)
+    {
+        if (sender is System.Windows.Window window)
+        {
+            var _ = new WindowInteropHelper(window)
+            {
+                Owner = InteropMethods.GetDesktopWindow()
+            };
+        }
+    }
+
+    public static void SetShowInTaskManager(DependencyObject element, bool value)
+        => element.SetValue(ShowInTaskManagerProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetShowInTaskManager(DependencyObject element)
+        => (bool) element.GetValue(ShowInTaskManagerProperty);
+
+    public static readonly DependencyProperty HideWhenClosingProperty = DependencyProperty.RegisterAttached(
+        "HideWhenClosing", typeof(bool), typeof(WindowAttach), new PropertyMetadata(ValueBoxes.FalseBox, OnHideWhenClosingChanged));
+
+    private static void OnHideWhenClosingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is System.Windows.Window window)
+        {
+            var v = (bool) e.NewValue;
+            if (v)
+            {
+                window.Closing += Window_Closing;
+            }
+            else
+            {
+                window.Closing -= Window_Closing;
+            }
+        }
+    }
+
+    private static void Window_Closing(object sender, CancelEventArgs e)
+    {
+        if (sender is System.Windows.Window window)
+        {
+            window.Hide();
+            e.Cancel = true;
+        }
+    }
+
+    public static void SetHideWhenClosing(DependencyObject element, bool value)
+        => element.SetValue(HideWhenClosingProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetHideWhenClosing(DependencyObject element)
+        => (bool) element.GetValue(HideWhenClosingProperty);
 }

src/Shared/HandyControl_Shared/Controls/Base/AdornerElement.cs

@@ -4,84 +4,83 @@ using System.Windows;
 using System.Windows.Controls;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public abstract class AdornerElement : Control, IDisposable
 {
-    public abstract class AdornerElement : Control, IDisposable
+    protected FrameworkElement ElementTarget { get; set; }
+
+    public static readonly DependencyProperty TargetProperty = DependencyProperty.Register(
+        "Target", typeof(FrameworkElement), typeof(AdornerElement), new PropertyMetadata(default(FrameworkElement), OnTargetChanged));
+
+    private static void OnTargetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        protected FrameworkElement ElementTarget { get; set; }
-
-        public static readonly DependencyProperty TargetProperty = DependencyProperty.Register(
-            "Target", typeof(FrameworkElement), typeof(AdornerElement), new PropertyMetadata(default(FrameworkElement), OnTargetChanged));
-
-        private static void OnTargetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (AdornerElement) d;
-            ctl.OnTargetChanged(ctl.ElementTarget, false);
-            ctl.OnTargetChanged((FrameworkElement) e.NewValue, true);
-        }
-
-        [Bindable(true), Category("Layout")]
-        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
-        public FrameworkElement Target
-        {
-            get => (FrameworkElement) GetValue(TargetProperty);
-            set => SetValue(TargetProperty, value);
-        }
-
-        public static readonly DependencyProperty InstanceProperty = DependencyProperty.RegisterAttached(
-            "Instance", typeof(AdornerElement), typeof(AdornerElement), new PropertyMetadata(default(AdornerElement), OnInstanceChanged));
-
-        private static void OnInstanceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is not FrameworkElement target) return;
-            var element = (AdornerElement) e.NewValue;
-            element.OnInstanceChanged(target);
-        }
-
-        protected virtual void OnInstanceChanged(FrameworkElement target) => Target = target;
-
-        public static void SetInstance(DependencyObject element, AdornerElement value)
-            => element.SetValue(InstanceProperty, value);
-
-        public static AdornerElement GetInstance(DependencyObject element)
-            => (AdornerElement) element.GetValue(InstanceProperty);
-
-        public static readonly DependencyProperty IsInstanceProperty = DependencyProperty.RegisterAttached(
-            "IsInstance", typeof(bool), typeof(AdornerElement), new PropertyMetadata(ValueBoxes.TrueBox));
-
-        public static void SetIsInstance(DependencyObject element, bool value)
-            => element.SetValue(IsInstanceProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetIsInstance(DependencyObject element)
-            => (bool) element.GetValue(IsInstanceProperty);
-
-        protected virtual void OnTargetChanged(FrameworkElement element, bool isNew)
-        {
-            if (element == null) return;
-
-            if (!isNew)
-            {
-                element.Unloaded -= TargetElement_Unloaded;
-                ElementTarget = null;
-            }
-            else
-            {
-                element.Unloaded += TargetElement_Unloaded;
-                ElementTarget = element;
-            }
-        }
-
-        private void TargetElement_Unloaded(object sender, RoutedEventArgs e)
-        {
-            if (sender is FrameworkElement element)
-            {
-                element.Unloaded -= TargetElement_Unloaded;
-                Dispose();
-            }
-        }
-
-        protected abstract void Dispose();
-
-        void IDisposable.Dispose() => Dispose();
+        var ctl = (AdornerElement) d;
+        ctl.OnTargetChanged(ctl.ElementTarget, false);
+        ctl.OnTargetChanged((FrameworkElement) e.NewValue, true);
     }
+
+    [Bindable(true), Category("Layout")]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+    public FrameworkElement Target
+    {
+        get => (FrameworkElement) GetValue(TargetProperty);
+        set => SetValue(TargetProperty, value);
+    }
+
+    public static readonly DependencyProperty InstanceProperty = DependencyProperty.RegisterAttached(
+        "Instance", typeof(AdornerElement), typeof(AdornerElement), new PropertyMetadata(default(AdornerElement), OnInstanceChanged));
+
+    private static void OnInstanceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is not FrameworkElement target) return;
+        var element = (AdornerElement) e.NewValue;
+        element.OnInstanceChanged(target);
+    }
+
+    protected virtual void OnInstanceChanged(FrameworkElement target) => Target = target;
+
+    public static void SetInstance(DependencyObject element, AdornerElement value)
+        => element.SetValue(InstanceProperty, value);
+
+    public static AdornerElement GetInstance(DependencyObject element)
+        => (AdornerElement) element.GetValue(InstanceProperty);
+
+    public static readonly DependencyProperty IsInstanceProperty = DependencyProperty.RegisterAttached(
+        "IsInstance", typeof(bool), typeof(AdornerElement), new PropertyMetadata(ValueBoxes.TrueBox));
+
+    public static void SetIsInstance(DependencyObject element, bool value)
+        => element.SetValue(IsInstanceProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetIsInstance(DependencyObject element)
+        => (bool) element.GetValue(IsInstanceProperty);
+
+    protected virtual void OnTargetChanged(FrameworkElement element, bool isNew)
+    {
+        if (element == null) return;
+
+        if (!isNew)
+        {
+            element.Unloaded -= TargetElement_Unloaded;
+            ElementTarget = null;
+        }
+        else
+        {
+            element.Unloaded += TargetElement_Unloaded;
+            ElementTarget = element;
+        }
+    }
+
+    private void TargetElement_Unloaded(object sender, RoutedEventArgs e)
+    {
+        if (sender is FrameworkElement element)
+        {
+            element.Unloaded -= TargetElement_Unloaded;
+            Dispose();
+        }
+    }
+
+    protected abstract void Dispose();
+
+    void IDisposable.Dispose() => Dispose();
 }

src/Shared/HandyControl_Shared/Controls/Base/HeaderedSelectableItem.cs

@@ -1,25 +1,24 @@
 using System.Windows;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class HeaderedSelectableItem : SelectableItem
 {
-    public class HeaderedSelectableItem : SelectableItem
+    public static readonly DependencyProperty HeaderProperty = DependencyProperty.Register(
+        "Header", typeof(object), typeof(HeaderedSelectableItem), new PropertyMetadata(default(object)));
+
+    public object Header
     {
-        public static readonly DependencyProperty HeaderProperty = DependencyProperty.Register(
-            "Header", typeof(object), typeof(HeaderedSelectableItem), new PropertyMetadata(default(object)));
+        get => GetValue(HeaderProperty);
+        set => SetValue(HeaderProperty, value);
+    }
 
-        public object Header
-        {
-            get => GetValue(HeaderProperty);
-            set => SetValue(HeaderProperty, value);
-        }
+    public static readonly DependencyProperty HeaderTemplateProperty = DependencyProperty.Register(
+        "HeaderTemplate", typeof(DataTemplate), typeof(HeaderedSelectableItem), new PropertyMetadata(default(DataTemplate)));
 
-        public static readonly DependencyProperty HeaderTemplateProperty = DependencyProperty.Register(
-            "HeaderTemplate", typeof(DataTemplate), typeof(HeaderedSelectableItem), new PropertyMetadata(default(DataTemplate)));
-
-        public DataTemplate HeaderTemplate
-        {
-            get => (DataTemplate) GetValue(HeaderTemplateProperty);
-            set => SetValue(HeaderTemplateProperty, value);
-        }
+    public DataTemplate HeaderTemplate
+    {
+        get => (DataTemplate) GetValue(HeaderTemplateProperty);
+        set => SetValue(HeaderTemplateProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Base/HeaderedSimpleItemsControl.cs

@@ -1,16 +1,15 @@
 using System.Windows;
 
-namespace HandyControl.Controls
-{
-    public class HeaderedSimpleItemsControl : SimpleItemsControl
-    {
-        public static readonly DependencyProperty HeaderProperty = DependencyProperty.Register(
-            "Header", typeof(object), typeof(HeaderedSimpleItemsControl), new PropertyMetadata(default(object)));
+namespace HandyControl.Controls;
 
-        public object Header
-        {
-            get => GetValue(HeaderProperty);
-            set => SetValue(HeaderProperty, value);
-        }
+public class HeaderedSimpleItemsControl : SimpleItemsControl
+{
+    public static readonly DependencyProperty HeaderProperty = DependencyProperty.Register(
+        "Header", typeof(object), typeof(HeaderedSimpleItemsControl), new PropertyMetadata(default(object)));
+
+    public object Header
+    {
+        get => GetValue(HeaderProperty);
+        set => SetValue(HeaderProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Base/IGravatarGenerator.cs

@@ -1,7 +1,6 @@
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public interface IGravatarGenerator
 {
-    public interface IGravatarGenerator
-    {
-        object GetGravatar(string id);
-    }
+    object GetGravatar(string id);
 }

src/Shared/HandyControl_Shared/Controls/Base/ISelectable.cs

@@ -1,11 +1,10 @@
 using System.Windows;
 
-namespace HandyControl.Controls
-{
-    public interface ISelectable
-    {
-        event RoutedEventHandler Selected;
+namespace HandyControl.Controls;
 
-        bool IsSelected { get; set; }
-    }
+public interface ISelectable
+{
+    event RoutedEventHandler Selected;
+
+    bool IsSelected { get; set; }
 }

src/Shared/HandyControl_Shared/Controls/Base/ISingleOpen.cs

@@ -1,9 +1,8 @@
 using System;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public interface ISingleOpen : IDisposable
 {
-    public interface ISingleOpen : IDisposable
-    {
-        bool CanDispose { get; }
-    }
+    bool CanDispose { get; }
 }

src/Shared/HandyControl_Shared/Controls/Base/RegularItemsControl.cs

@@ -1,41 +1,40 @@
 using System.Windows;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     规则ItemsControl
+/// </summary>
+/// <remarks>
+///     该类的每一项都具有相同的大小和外边距
+/// </remarks>
+public class RegularItemsControl : SimpleItemsControl
 {
-    /// <summary>
-    ///     规则ItemsControl
-    /// </summary>
-    /// <remarks>
-    ///     该类的每一项都具有相同的大小和外边距
-    /// </remarks>
-    public class RegularItemsControl : SimpleItemsControl
+    public static readonly DependencyProperty ItemWidthProperty = DependencyProperty.Register(
+        "ItemWidth", typeof(double), typeof(RegularItemsControl), new PropertyMetadata(ValueBoxes.Double200Box));
+
+    public double ItemWidth
     {
-        public static readonly DependencyProperty ItemWidthProperty = DependencyProperty.Register(
-            "ItemWidth", typeof(double), typeof(RegularItemsControl), new PropertyMetadata(ValueBoxes.Double200Box));
+        get => (double) GetValue(ItemWidthProperty);
+        set => SetValue(ItemWidthProperty, value);
+    }
 
-        public double ItemWidth
-        {
-            get => (double) GetValue(ItemWidthProperty);
-            set => SetValue(ItemWidthProperty, value);
-        }
+    public static readonly DependencyProperty ItemHeightProperty = DependencyProperty.Register(
+        "ItemHeight", typeof(double), typeof(RegularItemsControl), new PropertyMetadata(ValueBoxes.Double200Box));
 
-        public static readonly DependencyProperty ItemHeightProperty = DependencyProperty.Register(
-            "ItemHeight", typeof(double), typeof(RegularItemsControl), new PropertyMetadata(ValueBoxes.Double200Box));
+    public double ItemHeight
+    {
+        get => (double) GetValue(ItemHeightProperty);
+        set => SetValue(ItemHeightProperty, value);
+    }
 
-        public double ItemHeight
-        {
-            get => (double) GetValue(ItemHeightProperty);
-            set => SetValue(ItemHeightProperty, value);
-        }
+    public static readonly DependencyProperty ItemMarginProperty = DependencyProperty.Register(
+        "ItemMargin", typeof(Thickness), typeof(RegularItemsControl), new PropertyMetadata(default(Thickness)));
 
-        public static readonly DependencyProperty ItemMarginProperty = DependencyProperty.Register(
-            "ItemMargin", typeof(Thickness), typeof(RegularItemsControl), new PropertyMetadata(default(Thickness)));
-
-        public Thickness ItemMargin
-        {
-            get => (Thickness) GetValue(ItemMarginProperty);
-            set => SetValue(ItemMarginProperty, value);
-        }
+    public Thickness ItemMargin
+    {
+        get => (Thickness) GetValue(ItemMarginProperty);
+        set => SetValue(ItemMarginProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Base/SelectableItem.cs

@@ -3,109 +3,108 @@ using System.Windows.Controls;
 using System.Windows.Input;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class SelectableItem : ContentControl, ISelectable
 {
-    public class SelectableItem : ContentControl, ISelectable
+    private bool _isMouseLeftButtonDown;
+
+    protected override void OnMouseLeave(MouseEventArgs e)
     {
-        private bool _isMouseLeftButtonDown;
+        base.OnMouseLeave(e);
 
-        protected override void OnMouseLeave(MouseEventArgs e)
+        _isMouseLeftButtonDown = false;
+    }
+
+    protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
+    {
+        base.OnMouseLeftButtonDown(e);
+
+        _isMouseLeftButtonDown = true;
+    }
+
+    protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
+    {
+        base.OnMouseLeftButtonUp(e);
+
+        if (_isMouseLeftButtonDown)
         {
-            base.OnMouseLeave(e);
-
-            _isMouseLeftButtonDown = false;
-        }
-
-        protected override void OnMouseLeftButtonDown(MouseButtonEventArgs e)
-        {
-            base.OnMouseLeftButtonDown(e);
-
-            _isMouseLeftButtonDown = true;
-        }
-
-        protected override void OnMouseLeftButtonUp(MouseButtonEventArgs e)
-        {
-            base.OnMouseLeftButtonUp(e);
-
-            if (_isMouseLeftButtonDown)
+            if (SelfManage)
             {
-                if (SelfManage)
+                if (!IsSelected)
                 {
-                    if (!IsSelected)
-                    {
-                        IsSelected = true;
-                        OnSelected(new RoutedEventArgs(SelectedEvent, this));
-                    }
-                    else if (CanDeselect)
-                    {
-                        IsSelected = false;
-                        OnSelected(new RoutedEventArgs(DeselectedEvent, this));
-                    }
+                    IsSelected = true;
+                    OnSelected(new RoutedEventArgs(SelectedEvent, this));
+                }
+                else if (CanDeselect)
+                {
+                    IsSelected = false;
+                    OnSelected(new RoutedEventArgs(DeselectedEvent, this));
+                }
+            }
+            else
+            {
+                if (CanDeselect)
+                {
+                    OnSelected(IsSelected
+                        ? new RoutedEventArgs(DeselectedEvent, this)
+                        : new RoutedEventArgs(SelectedEvent, this));
                 }
                 else
                 {
-                    if (CanDeselect)
-                    {
-                        OnSelected(IsSelected
-                            ? new RoutedEventArgs(DeselectedEvent, this)
-                            : new RoutedEventArgs(SelectedEvent, this));
-                    }
-                    else
-                    {
-                        OnSelected(new RoutedEventArgs(SelectedEvent, this));
-                    }
+                    OnSelected(new RoutedEventArgs(SelectedEvent, this));
                 }
-                _isMouseLeftButtonDown = false;
             }
-        }
-
-        protected virtual void OnSelected(RoutedEventArgs e) => RaiseEvent(e);
-
-        public static readonly DependencyProperty IsSelectedProperty = DependencyProperty.Register(
-            "IsSelected", typeof(bool), typeof(SelectableItem), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool IsSelected
-        {
-            get => (bool) GetValue(IsSelectedProperty);
-            set => SetValue(IsSelectedProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty SelfManageProperty = DependencyProperty.Register(
-            "SelfManage", typeof(bool), typeof(SelectableItem), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool SelfManage
-        {
-            get => (bool) GetValue(SelfManageProperty);
-            set => SetValue(SelfManageProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty CanDeselectProperty = DependencyProperty.Register(
-            "CanDeselect", typeof(bool), typeof(SelectableItem), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool CanDeselect
-        {
-            get => (bool) GetValue(CanDeselectProperty);
-            set => SetValue(CanDeselectProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly RoutedEvent SelectedEvent =
-            EventManager.RegisterRoutedEvent("Selected", RoutingStrategy.Bubble,
-                typeof(RoutedEventHandler), typeof(SelectableItem));
-
-        public event RoutedEventHandler Selected
-        {
-            add => AddHandler(SelectedEvent, value);
-            remove => RemoveHandler(SelectedEvent, value);
-        }
-
-        public static readonly RoutedEvent DeselectedEvent =
-            EventManager.RegisterRoutedEvent("Deselected", RoutingStrategy.Bubble,
-                typeof(RoutedEventHandler), typeof(SelectableItem));
-
-        public event RoutedEventHandler Deselected
-        {
-            add => AddHandler(DeselectedEvent, value);
-            remove => RemoveHandler(DeselectedEvent, value);
+            _isMouseLeftButtonDown = false;
         }
     }
+
+    protected virtual void OnSelected(RoutedEventArgs e) => RaiseEvent(e);
+
+    public static readonly DependencyProperty IsSelectedProperty = DependencyProperty.Register(
+        "IsSelected", typeof(bool), typeof(SelectableItem), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool IsSelected
+    {
+        get => (bool) GetValue(IsSelectedProperty);
+        set => SetValue(IsSelectedProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty SelfManageProperty = DependencyProperty.Register(
+        "SelfManage", typeof(bool), typeof(SelectableItem), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool SelfManage
+    {
+        get => (bool) GetValue(SelfManageProperty);
+        set => SetValue(SelfManageProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty CanDeselectProperty = DependencyProperty.Register(
+        "CanDeselect", typeof(bool), typeof(SelectableItem), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool CanDeselect
+    {
+        get => (bool) GetValue(CanDeselectProperty);
+        set => SetValue(CanDeselectProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly RoutedEvent SelectedEvent =
+        EventManager.RegisterRoutedEvent("Selected", RoutingStrategy.Bubble,
+            typeof(RoutedEventHandler), typeof(SelectableItem));
+
+    public event RoutedEventHandler Selected
+    {
+        add => AddHandler(SelectedEvent, value);
+        remove => RemoveHandler(SelectedEvent, value);
+    }
+
+    public static readonly RoutedEvent DeselectedEvent =
+        EventManager.RegisterRoutedEvent("Deselected", RoutingStrategy.Bubble,
+            typeof(RoutedEventHandler), typeof(SelectableItem));
+
+    public event RoutedEventHandler Deselected
+    {
+        add => AddHandler(DeselectedEvent, value);
+        remove => RemoveHandler(DeselectedEvent, value);
+    }
 }

src/Shared/HandyControl_Shared/Controls/Base/SimpleItemsControl.cs

@@ -7,161 +7,160 @@ using System.Windows.Controls;
 using System.Windows.Markup;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     ItemsControl的轻量级版本
+/// </summary>
+[DefaultProperty("Items")]
+[ContentProperty("Items")]
+[TemplatePart(Name = ElementPanel, Type = typeof(Panel))]
+public class SimpleItemsControl : Control
 {
-    /// <summary>
-    ///     ItemsControl的轻量级版本
-    /// </summary>
-    [DefaultProperty("Items")]
-    [ContentProperty("Items")]
-    [TemplatePart(Name = ElementPanel, Type = typeof(Panel))]
-    public class SimpleItemsControl : Control
+    private const string ElementPanel = "PART_Panel";
+
+    public static readonly DependencyProperty ItemTemplateProperty = DependencyProperty.Register(
+        "ItemTemplate", typeof(DataTemplate), typeof(SimpleItemsControl),
+        new FrameworkPropertyMetadata(default(DataTemplate), OnItemTemplateChanged));
+
+    public static readonly DependencyProperty ItemContainerStyleProperty = DependencyProperty.Register(
+        "ItemContainerStyle", typeof(Style), typeof(SimpleItemsControl),
+        new PropertyMetadata(default(Style), OnItemContainerStyleChanged));
+
+    public static readonly DependencyProperty ItemsSourceProperty = DependencyProperty.Register(
+        "ItemsSource", typeof(IEnumerable), typeof(SimpleItemsControl),
+        new PropertyMetadata(default(IEnumerable), OnItemsSourceChanged));
+
+    public SimpleItemsControl()
     {
-        private const string ElementPanel = "PART_Panel";
-
-        public static readonly DependencyProperty ItemTemplateProperty = DependencyProperty.Register(
-            "ItemTemplate", typeof(DataTemplate), typeof(SimpleItemsControl),
-            new FrameworkPropertyMetadata(default(DataTemplate), OnItemTemplateChanged));
-
-        public static readonly DependencyProperty ItemContainerStyleProperty = DependencyProperty.Register(
-            "ItemContainerStyle", typeof(Style), typeof(SimpleItemsControl),
-            new PropertyMetadata(default(Style), OnItemContainerStyleChanged));
-
-        public static readonly DependencyProperty ItemsSourceProperty = DependencyProperty.Register(
-            "ItemsSource", typeof(IEnumerable), typeof(SimpleItemsControl),
-            new PropertyMetadata(default(IEnumerable), OnItemsSourceChanged));
-
-        public SimpleItemsControl()
+        var items = new ObservableCollection<object>();
+        items.CollectionChanged += (s, e) =>
         {
-            var items = new ObservableCollection<object>();
-            items.CollectionChanged += (s, e) =>
+            if (e.NewItems != null && e.NewItems.Count > 0)
             {
-                if (e.NewItems != null && e.NewItems.Count > 0)
-                {
-                    SetValue(HasItemsPropertyKey, ValueBoxes.TrueBox);
-                }
-                OnItemsChanged(s, e);
-            };
-            Items = items;
-        }
-
-        public IEnumerable ItemsSource
-        {
-            get => (IEnumerable) GetValue(ItemsSourceProperty);
-            set => SetValue(ItemsSourceProperty, value);
-        }
-
-        [Bindable(true)]
-        [Category("Content")]
-        public Style ItemContainerStyle
-        {
-            get => (Style) GetValue(ItemContainerStyleProperty);
-            set => SetValue(ItemContainerStyleProperty, value);
-        }
-
-        [Bindable(true)]
-        public DataTemplate ItemTemplate
-        {
-            get => (DataTemplate) GetValue(ItemTemplateProperty);
-            set => SetValue(ItemTemplateProperty, value);
-        }
-
-        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
-        [Bindable(true)]
-        public Collection<object> Items { get; }
-
-        internal Panel ItemsHost { get; set; }
-
-        private static void OnItemsSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            ((SimpleItemsControl) d).OnItemsSourceChanged((IEnumerable) e.OldValue, (IEnumerable) e.NewValue);
-        }
-
-        protected virtual void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
-        {
-        }
-
-        public override void OnApplyTemplate()
-        {
-            ItemsHost?.Children.Clear();
-
-            base.OnApplyTemplate();
-
-            ItemsHost = GetTemplateChild(ElementPanel) as Panel;
-            Refresh();
-        }
-
-        protected virtual void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
-        {
-            Refresh();
-            UpdateItems();
-        }
-
-        protected virtual DependencyObject GetContainerForItemOverride() => new ContentPresenter();
-
-        protected virtual bool IsItemItsOwnContainerOverride(object item) => item is ContentPresenter;
-
-        protected virtual void PrepareContainerForItemOverride(DependencyObject element, object item)
-        {
-            switch (element)
-            {
-                case ContentControl contentControl:
-                    contentControl.Content = item;
-                    contentControl.ContentTemplate = ItemTemplate;
-                    break;
-                case ContentPresenter contentPresenter:
-                    contentPresenter.Content = item;
-                    contentPresenter.ContentTemplate = ItemTemplate;
-                    break;
+                SetValue(HasItemsPropertyKey, ValueBoxes.TrueBox);
             }
-        }
+            OnItemsChanged(s, e);
+        };
+        Items = items;
+    }
 
-        private static void OnItemTemplateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-            => (d as SimpleItemsControl)?.OnItemTemplateChanged(e);
+    public IEnumerable ItemsSource
+    {
+        get => (IEnumerable) GetValue(ItemsSourceProperty);
+        set => SetValue(ItemsSourceProperty, value);
+    }
 
-        protected virtual void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e) => Refresh();
+    [Bindable(true)]
+    [Category("Content")]
+    public Style ItemContainerStyle
+    {
+        get => (Style) GetValue(ItemContainerStyleProperty);
+        set => SetValue(ItemContainerStyleProperty, value);
+    }
 
-        private static void OnItemContainerStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-            => (d as SimpleItemsControl)?.OnItemContainerStyleChanged(e);
+    [Bindable(true)]
+    public DataTemplate ItemTemplate
+    {
+        get => (DataTemplate) GetValue(ItemTemplateProperty);
+        set => SetValue(ItemTemplateProperty, value);
+    }
 
-        protected virtual void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e) => Refresh();
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
+    [Bindable(true)]
+    public Collection<object> Items { get; }
 
-        internal static readonly DependencyPropertyKey HasItemsPropertyKey =
-            DependencyProperty.RegisterReadOnly(nameof(HasItems), typeof(bool), typeof(SimpleItemsControl),
-                new PropertyMetadata(ValueBoxes.FalseBox));
+    internal Panel ItemsHost { get; set; }
 
-        public static readonly DependencyProperty HasItemsProperty = HasItemsPropertyKey.DependencyProperty;
+    private static void OnItemsSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        ((SimpleItemsControl) d).OnItemsSourceChanged((IEnumerable) e.OldValue, (IEnumerable) e.NewValue);
+    }
 
-        public bool HasItems => (bool) GetValue(HasItemsProperty);
+    protected virtual void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
+    {
+    }
 
-        protected virtual void Refresh()
-        {
-            if (ItemsHost == null) return;
+    public override void OnApplyTemplate()
+    {
+        ItemsHost?.Children.Clear();
 
-            ItemsHost.Children.Clear();
-            foreach (var item in Items)
-            {
-                DependencyObject container;
-                if (IsItemItsOwnContainerOverride(item))
-                {
-                    container = item as DependencyObject;
-                }
-                else
-                {
-                    container = GetContainerForItemOverride();
-                    PrepareContainerForItemOverride(container, item);
-                }
+        base.OnApplyTemplate();
 
-                if (container is FrameworkElement element)
-                {
-                    element.Style = ItemContainerStyle;
-                    ItemsHost.Children.Add(element);
-                }
-            }
-        }
+        ItemsHost = GetTemplateChild(ElementPanel) as Panel;
+        Refresh();
+    }
 
-        protected virtual void UpdateItems()
+    protected virtual void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
+    {
+        Refresh();
+        UpdateItems();
+    }
+
+    protected virtual DependencyObject GetContainerForItemOverride() => new ContentPresenter();
+
+    protected virtual bool IsItemItsOwnContainerOverride(object item) => item is ContentPresenter;
+
+    protected virtual void PrepareContainerForItemOverride(DependencyObject element, object item)
+    {
+        switch (element)
         {
+            case ContentControl contentControl:
+                contentControl.Content = item;
+                contentControl.ContentTemplate = ItemTemplate;
+                break;
+            case ContentPresenter contentPresenter:
+                contentPresenter.Content = item;
+                contentPresenter.ContentTemplate = ItemTemplate;
+                break;
         }
     }
+
+    private static void OnItemTemplateChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        => (d as SimpleItemsControl)?.OnItemTemplateChanged(e);
+
+    protected virtual void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e) => Refresh();
+
+    private static void OnItemContainerStyleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        => (d as SimpleItemsControl)?.OnItemContainerStyleChanged(e);
+
+    protected virtual void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e) => Refresh();
+
+    internal static readonly DependencyPropertyKey HasItemsPropertyKey =
+        DependencyProperty.RegisterReadOnly(nameof(HasItems), typeof(bool), typeof(SimpleItemsControl),
+            new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public static readonly DependencyProperty HasItemsProperty = HasItemsPropertyKey.DependencyProperty;
+
+    public bool HasItems => (bool) GetValue(HasItemsProperty);
+
+    protected virtual void Refresh()
+    {
+        if (ItemsHost == null) return;
+
+        ItemsHost.Children.Clear();
+        foreach (var item in Items)
+        {
+            DependencyObject container;
+            if (IsItemItsOwnContainerOverride(item))
+            {
+                container = item as DependencyObject;
+            }
+            else
+            {
+                container = GetContainerForItemOverride();
+                PrepareContainerForItemOverride(container, item);
+            }
+
+            if (container is FrameworkElement element)
+            {
+                element.Style = ItemContainerStyle;
+                ItemsHost.Children.Add(element);
+            }
+        }
+    }
+
+    protected virtual void UpdateItems()
+    {
+    }
 }

src/Shared/HandyControl_Shared/Controls/Block/FloatingBlock.cs

@@ -9,187 +9,186 @@ using HandyControl.Data;
 using HandyControl.Interactivity;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class FloatingBlock : Control
 {
-    public class FloatingBlock : Control
+    public static readonly DependencyProperty ToXProperty = DependencyProperty.RegisterAttached(
+        "ToX", typeof(double), typeof(FloatingBlock), new PropertyMetadata(ValueBoxes.Double0Box));
+
+    public static void SetToX(DependencyObject element, double value)
+        => element.SetValue(ToXProperty, value);
+
+    public static double GetToX(DependencyObject element)
+        => (double) element.GetValue(ToXProperty);
+
+    public static readonly DependencyProperty ToYProperty = DependencyProperty.RegisterAttached(
+        "ToY", typeof(double), typeof(FloatingBlock), new PropertyMetadata(-100.0));
+
+    public static void SetToY(DependencyObject element, double value)
+        => element.SetValue(ToYProperty, value);
+
+    public static double GetToY(DependencyObject element)
+        => (double) element.GetValue(ToYProperty);
+
+    public static readonly DependencyProperty DurationProperty = DependencyProperty.RegisterAttached(
+        "Duration", typeof(Duration), typeof(FloatingBlock), new PropertyMetadata(new Duration(TimeSpan.FromSeconds(2))));
+
+    public static void SetDuration(DependencyObject element, Duration value)
+        => element.SetValue(DurationProperty, value);
+
+    public static Duration GetDuration(DependencyObject element)
+        => (Duration) element.GetValue(DurationProperty);
+
+    public static readonly DependencyProperty HorizontalOffsetProperty = DependencyProperty.RegisterAttached(
+        "HorizontalOffset", typeof(double), typeof(FloatingBlock), new PropertyMetadata(ValueBoxes.Double0Box));
+
+    public static void SetHorizontalOffset(DependencyObject element, double value)
+        => element.SetValue(HorizontalOffsetProperty, value);
+
+    public static double GetHorizontalOffset(DependencyObject element)
+        => (double) element.GetValue(HorizontalOffsetProperty);
+
+    public static readonly DependencyProperty VerticalOffsetProperty = DependencyProperty.RegisterAttached(
+        "VerticalOffset", typeof(double), typeof(FloatingBlock), new PropertyMetadata(ValueBoxes.Double0Box));
+
+    public static void SetVerticalOffset(DependencyObject element, double value)
+        => element.SetValue(VerticalOffsetProperty, value);
+
+    public static double GetVerticalOffset(DependencyObject element)
+        => (double) element.GetValue(VerticalOffsetProperty);
+
+    public static readonly DependencyProperty ContentTemplateProperty = DependencyProperty.RegisterAttached(
+        "ContentTemplate", typeof(DataTemplate), typeof(FloatingBlock), new PropertyMetadata(default(DataTemplate), OnDataChanged));
+
+    public static void SetContentTemplate(DependencyObject element, DataTemplate value)
+        => element.SetValue(ContentTemplateProperty, value);
+
+    public static DataTemplate GetContentTemplate(DependencyObject element)
+        => (DataTemplate) element.GetValue(ContentTemplateProperty);
+
+    public DataTemplate ContentTemplate
     {
-        public static readonly DependencyProperty ToXProperty = DependencyProperty.RegisterAttached(
-            "ToX", typeof(double), typeof(FloatingBlock), new PropertyMetadata(ValueBoxes.Double0Box));
+        get => (DataTemplate) GetValue(ContentTemplateProperty);
+        set => SetValue(ContentTemplateProperty, value);
+    }
 
-        public static void SetToX(DependencyObject element, double value)
-            => element.SetValue(ToXProperty, value);
+    private static readonly DependencyProperty ReadyToFloatProperty = DependencyProperty.RegisterAttached(
+        "ReadyToFloat", typeof(bool), typeof(FloatingBlock), new PropertyMetadata(ValueBoxes.FalseBox));
 
-        public static double GetToX(DependencyObject element)
-            => (double) element.GetValue(ToXProperty);
+    private static void SetReadyToFloat(DependencyObject element, bool value)
+        => element.SetValue(ReadyToFloatProperty, ValueBoxes.BooleanBox(value));
 
-        public static readonly DependencyProperty ToYProperty = DependencyProperty.RegisterAttached(
-            "ToY", typeof(double), typeof(FloatingBlock), new PropertyMetadata(-100.0));
+    private static bool GetReadyToFloat(DependencyObject element)
+        => (bool) element.GetValue(ReadyToFloatProperty);
 
-        public static void SetToY(DependencyObject element, double value)
-            => element.SetValue(ToYProperty, value);
+    public static readonly DependencyProperty ContentProperty = DependencyProperty.RegisterAttached(
+        "Content", typeof(object), typeof(FloatingBlock), new PropertyMetadata(default, OnDataChanged));
 
-        public static double GetToY(DependencyObject element)
-            => (double) element.GetValue(ToYProperty);
+    public static void SetContent(DependencyObject element, object value)
+        => element.SetValue(ContentProperty, value);
 
-        public static readonly DependencyProperty DurationProperty = DependencyProperty.RegisterAttached(
-            "Duration", typeof(Duration), typeof(FloatingBlock), new PropertyMetadata(new Duration(TimeSpan.FromSeconds(2))));
+    public static object GetContent(DependencyObject element)
+        => element.GetValue(ContentProperty);
 
-        public static void SetDuration(DependencyObject element, Duration value)
-            => element.SetValue(DurationProperty, value);
+    public object Content
+    {
+        get => GetValue(ContentProperty);
+        set => SetValue(ContentProperty, value);
+    }
 
-        public static Duration GetDuration(DependencyObject element)
-            => (Duration) element.GetValue(DurationProperty);
+    private static void OnDataChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is not UIElement target) return;
 
-        public static readonly DependencyProperty HorizontalOffsetProperty = DependencyProperty.RegisterAttached(
-            "HorizontalOffset", typeof(double), typeof(FloatingBlock), new PropertyMetadata(ValueBoxes.Double0Box));
+        target.PreviewMouseLeftButtonDown -= Target_PreviewMouseLeftButtonDown;
+        target.PreviewMouseLeftButtonUp -= Target_PreviewMouseLeftButtonUp;
 
-        public static void SetHorizontalOffset(DependencyObject element, double value)
-            => element.SetValue(HorizontalOffsetProperty, value);
-
-        public static double GetHorizontalOffset(DependencyObject element)
-            => (double) element.GetValue(HorizontalOffsetProperty);
-
-        public static readonly DependencyProperty VerticalOffsetProperty = DependencyProperty.RegisterAttached(
-            "VerticalOffset", typeof(double), typeof(FloatingBlock), new PropertyMetadata(ValueBoxes.Double0Box));
-
-        public static void SetVerticalOffset(DependencyObject element, double value)
-            => element.SetValue(VerticalOffsetProperty, value);
-
-        public static double GetVerticalOffset(DependencyObject element)
-            => (double) element.GetValue(VerticalOffsetProperty);
-
-        public static readonly DependencyProperty ContentTemplateProperty = DependencyProperty.RegisterAttached(
-            "ContentTemplate", typeof(DataTemplate), typeof(FloatingBlock), new PropertyMetadata(default(DataTemplate), OnDataChanged));
-
-        public static void SetContentTemplate(DependencyObject element, DataTemplate value)
-            => element.SetValue(ContentTemplateProperty, value);
-
-        public static DataTemplate GetContentTemplate(DependencyObject element)
-            => (DataTemplate) element.GetValue(ContentTemplateProperty);
-
-        public DataTemplate ContentTemplate
+        if (e.NewValue != null)
         {
-            get => (DataTemplate) GetValue(ContentTemplateProperty);
-            set => SetValue(ContentTemplateProperty, value);
-        }
-
-        private static readonly DependencyProperty ReadyToFloatProperty = DependencyProperty.RegisterAttached(
-            "ReadyToFloat", typeof(bool), typeof(FloatingBlock), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        private static void SetReadyToFloat(DependencyObject element, bool value)
-            => element.SetValue(ReadyToFloatProperty, ValueBoxes.BooleanBox(value));
-
-        private static bool GetReadyToFloat(DependencyObject element)
-            => (bool) element.GetValue(ReadyToFloatProperty);
-
-        public static readonly DependencyProperty ContentProperty = DependencyProperty.RegisterAttached(
-            "Content", typeof(object), typeof(FloatingBlock), new PropertyMetadata(default, OnDataChanged));
-
-        public static void SetContent(DependencyObject element, object value)
-            => element.SetValue(ContentProperty, value);
-
-        public static object GetContent(DependencyObject element)
-            => element.GetValue(ContentProperty);
-
-        public object Content
-        {
-            get => GetValue(ContentProperty);
-            set => SetValue(ContentProperty, value);
-        }
-
-        private static void OnDataChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is not UIElement target) return;
-
-            target.PreviewMouseLeftButtonDown -= Target_PreviewMouseLeftButtonDown;
-            target.PreviewMouseLeftButtonUp -= Target_PreviewMouseLeftButtonUp;
-
-            if (e.NewValue != null)
-            {
-                target.PreviewMouseLeftButtonDown += Target_PreviewMouseLeftButtonDown;
-                target.PreviewMouseLeftButtonUp += Target_PreviewMouseLeftButtonUp;
-            }
-        }
-
-        private static void Target_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e) => SetReadyToFloat(sender as DependencyObject, true);
-
-        private static void Target_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
-        {
-            if (sender is UIElement element && GetReadyToFloat(element))
-            {
-                var layer = AdornerLayer.GetAdornerLayer(element);
-                if (layer != null)
-                {
-                    var adorner = new AdornerContainer(layer)
-                    {
-                        IsHitTestVisible = false
-                    };
-                    var child = CreateBlock(element, adorner);
-                    adorner.Child = child;
-
-                    layer.Add(adorner);
-                }
-                SetReadyToFloat(element, false);
-            }
-        }
-
-        private static FloatingBlock CreateBlock(Visual element, AdornerContainer adorner)
-        {
-            var p = Mouse.GetPosition(adorner.AdornedElement);
-            var transform = new TranslateTransform
-            {
-                X = p.X + GetHorizontalOffset(element),
-                Y = p.Y + GetVerticalOffset(element)
-            };
-
-            var block = new FloatingBlock
-            {
-                Content = GetContent(element),
-                ContentTemplate = GetContentTemplate(element),
-                RenderTransform = new TransformGroup
-                {
-                    Children =
-                    {
-                        transform
-                    }
-                }
-            };
-
-            var milliseconds = GetDuration(element).TimeSpan.TotalMilliseconds;
-
-            var animationX = AnimationHelper.CreateAnimation(GetToX(element) + transform.X, milliseconds);
-            Storyboard.SetTargetProperty(animationX, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(TranslateTransform.X)"));
-            Storyboard.SetTarget(animationX, block);
-
-            var animationY = AnimationHelper.CreateAnimation(GetToY(element) + transform.Y, milliseconds);
-            Storyboard.SetTargetProperty(animationY, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(TranslateTransform.Y)"));
-            Storyboard.SetTarget(animationY, block);
-
-            var animationOpacity = AnimationHelper.CreateAnimation(0, milliseconds);
-            Storyboard.SetTargetProperty(animationOpacity, new PropertyPath("Opacity"));
-            Storyboard.SetTarget(animationOpacity, block);
-
-            var storyboard = new Storyboard();
-            storyboard.Completed += (s, e) =>
-            {
-                var layer = AdornerLayer.GetAdornerLayer(element);
-                if (layer != null)
-                {
-                    layer.Remove(adorner);
-                }
-                else if (adorner.Parent is AdornerLayer parent)
-                {
-                    parent.Remove(adorner);
-                }
-
-                adorner.Child = null;
-            };
-            storyboard.Children.Add(animationX);
-            storyboard.Children.Add(animationY);
-            storyboard.Children.Add(animationOpacity);
-            storyboard.Begin();
-
-            return block;
+            target.PreviewMouseLeftButtonDown += Target_PreviewMouseLeftButtonDown;
+            target.PreviewMouseLeftButtonUp += Target_PreviewMouseLeftButtonUp;
         }
     }
+
+    private static void Target_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e) => SetReadyToFloat(sender as DependencyObject, true);
+
+    private static void Target_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)
+    {
+        if (sender is UIElement element && GetReadyToFloat(element))
+        {
+            var layer = AdornerLayer.GetAdornerLayer(element);
+            if (layer != null)
+            {
+                var adorner = new AdornerContainer(layer)
+                {
+                    IsHitTestVisible = false
+                };
+                var child = CreateBlock(element, adorner);
+                adorner.Child = child;
+
+                layer.Add(adorner);
+            }
+            SetReadyToFloat(element, false);
+        }
+    }
+
+    private static FloatingBlock CreateBlock(Visual element, AdornerContainer adorner)
+    {
+        var p = Mouse.GetPosition(adorner.AdornedElement);
+        var transform = new TranslateTransform
+        {
+            X = p.X + GetHorizontalOffset(element),
+            Y = p.Y + GetVerticalOffset(element)
+        };
+
+        var block = new FloatingBlock
+        {
+            Content = GetContent(element),
+            ContentTemplate = GetContentTemplate(element),
+            RenderTransform = new TransformGroup
+            {
+                Children =
+                {
+                    transform
+                }
+            }
+        };
+
+        var milliseconds = GetDuration(element).TimeSpan.TotalMilliseconds;
+
+        var animationX = AnimationHelper.CreateAnimation(GetToX(element) + transform.X, milliseconds);
+        Storyboard.SetTargetProperty(animationX, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(TranslateTransform.X)"));
+        Storyboard.SetTarget(animationX, block);
+
+        var animationY = AnimationHelper.CreateAnimation(GetToY(element) + transform.Y, milliseconds);
+        Storyboard.SetTargetProperty(animationY, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(TranslateTransform.Y)"));
+        Storyboard.SetTarget(animationY, block);
+
+        var animationOpacity = AnimationHelper.CreateAnimation(0, milliseconds);
+        Storyboard.SetTargetProperty(animationOpacity, new PropertyPath("Opacity"));
+        Storyboard.SetTarget(animationOpacity, block);
+
+        var storyboard = new Storyboard();
+        storyboard.Completed += (s, e) =>
+        {
+            var layer = AdornerLayer.GetAdornerLayer(element);
+            if (layer != null)
+            {
+                layer.Remove(adorner);
+            }
+            else if (adorner.Parent is AdornerLayer parent)
+            {
+                parent.Remove(adorner);
+            }
+
+            adorner.Child = null;
+        };
+        storyboard.Children.Add(animationX);
+        storyboard.Children.Add(animationY);
+        storyboard.Children.Add(animationOpacity);
+        storyboard.Begin();
+
+        return block;
+    }
 }

src/Shared/HandyControl_Shared/Controls/Block/RunningBlock/RunningBlock.cs

@@ -5,195 +5,194 @@ using System.Windows.Media.Animation;
 using HandyControl.Data;
 using HandyControl.Expression.Drawing;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[TemplatePart(Name = ElementContent, Type = typeof(FrameworkElement))]
+[TemplatePart(Name = ElementPanel, Type = typeof(Panel))]
+public class RunningBlock : ContentControl
 {
-    [TemplatePart(Name = ElementContent, Type = typeof(FrameworkElement))]
-    [TemplatePart(Name = ElementPanel, Type = typeof(Panel))]
-    public class RunningBlock : ContentControl
+    private const string ElementContent = "PART_ContentElement";
+
+    private const string ElementPanel = "PART_Panel";
+
+    protected Storyboard _storyboard;
+
+    private FrameworkElement _elementContent;
+
+    private FrameworkElement _elementPanel;
+
+    public override void OnApplyTemplate()
     {
-        private const string ElementContent = "PART_ContentElement";
-
-        private const string ElementPanel = "PART_Panel";
-
-        protected Storyboard _storyboard;
-
-        private FrameworkElement _elementContent;
-
-        private FrameworkElement _elementPanel;
-
-        public override void OnApplyTemplate()
+        if (_elementPanel != null)
         {
-            if (_elementPanel != null)
+            _elementPanel.SizeChanged -= ElementPanel_SizeChanged;
+        }
+
+        base.OnApplyTemplate();
+
+        _elementContent = GetTemplateChild(ElementContent) as FrameworkElement;
+        _elementPanel = GetTemplateChild(ElementPanel) as Panel;
+
+        if (_elementPanel != null)
+        {
+            _elementPanel.SizeChanged += ElementPanel_SizeChanged;
+        }
+
+        UpdateContent();
+    }
+
+    protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
+    {
+        base.OnRenderSizeChanged(sizeInfo);
+        UpdateContent();
+    }
+
+    private void ElementPanel_SizeChanged(object sender, SizeChangedEventArgs e) => UpdateContent();
+
+    public static readonly DependencyProperty RunawayProperty = DependencyProperty.Register(
+        "Runaway", typeof(bool), typeof(RunningBlock), new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public bool Runaway
+    {
+        get => (bool) GetValue(RunawayProperty);
+        set => SetValue(RunawayProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty AutoRunProperty = DependencyProperty.Register(
+        "AutoRun", typeof(bool), typeof(RunningBlock), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public bool AutoRun
+    {
+        get => (bool) GetValue(AutoRunProperty);
+        set => SetValue(AutoRunProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty OrientationProperty = DependencyProperty.Register(
+        "Orientation", typeof(Orientation), typeof(RunningBlock), new FrameworkPropertyMetadata(default(Orientation), FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public Orientation Orientation
+    {
+        get => (Orientation) GetValue(OrientationProperty);
+        set => SetValue(OrientationProperty, value);
+    }
+
+    public static readonly DependencyProperty DurationProperty = DependencyProperty.Register(
+        "Duration", typeof(Duration), typeof(RunningBlock), new FrameworkPropertyMetadata(new Duration(TimeSpan.FromSeconds(5)), FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public Duration Duration
+    {
+        get => (Duration) GetValue(DurationProperty);
+        set => SetValue(DurationProperty, value);
+    }
+
+    public static readonly DependencyProperty SpeedProperty = DependencyProperty.Register(
+        "Speed", typeof(double), typeof(RunningBlock), new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public double Speed
+    {
+        get => (double) GetValue(SpeedProperty);
+        set => SetValue(SpeedProperty, value);
+    }
+
+    public static readonly DependencyProperty IsRunningProperty = DependencyProperty.Register(
+        "IsRunning", typeof(bool), typeof(RunningBlock), new PropertyMetadata(ValueBoxes.TrueBox, (o, args) =>
+        {
+            var ctl = (RunningBlock) o;
+            var v = (bool) args.NewValue;
+            if (v)
             {
-                _elementPanel.SizeChanged -= ElementPanel_SizeChanged;
-            }
-
-            base.OnApplyTemplate();
-
-            _elementContent = GetTemplateChild(ElementContent) as FrameworkElement;
-            _elementPanel = GetTemplateChild(ElementPanel) as Panel;
-
-            if (_elementPanel != null)
-            {
-                _elementPanel.SizeChanged += ElementPanel_SizeChanged;
-            }
-
-            UpdateContent();
-        }
-
-        protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
-        {
-            base.OnRenderSizeChanged(sizeInfo);
-            UpdateContent();
-        }
-
-        private void ElementPanel_SizeChanged(object sender, SizeChangedEventArgs e) => UpdateContent();
-
-        public static readonly DependencyProperty RunawayProperty = DependencyProperty.Register(
-            "Runaway", typeof(bool), typeof(RunningBlock), new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.AffectsRender));
-
-        public bool Runaway
-        {
-            get => (bool) GetValue(RunawayProperty);
-            set => SetValue(RunawayProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty AutoRunProperty = DependencyProperty.Register(
-            "AutoRun", typeof(bool), typeof(RunningBlock), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
-
-        public bool AutoRun
-        {
-            get => (bool) GetValue(AutoRunProperty);
-            set => SetValue(AutoRunProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty OrientationProperty = DependencyProperty.Register(
-            "Orientation", typeof(Orientation), typeof(RunningBlock), new FrameworkPropertyMetadata(default(Orientation), FrameworkPropertyMetadataOptions.AffectsRender));
-
-        public Orientation Orientation
-        {
-            get => (Orientation) GetValue(OrientationProperty);
-            set => SetValue(OrientationProperty, value);
-        }
-
-        public static readonly DependencyProperty DurationProperty = DependencyProperty.Register(
-            "Duration", typeof(Duration), typeof(RunningBlock), new FrameworkPropertyMetadata(new Duration(TimeSpan.FromSeconds(5)), FrameworkPropertyMetadataOptions.AffectsRender));
-
-        public Duration Duration
-        {
-            get => (Duration) GetValue(DurationProperty);
-            set => SetValue(DurationProperty, value);
-        }
-
-        public static readonly DependencyProperty SpeedProperty = DependencyProperty.Register(
-            "Speed", typeof(double), typeof(RunningBlock), new FrameworkPropertyMetadata(double.NaN, FrameworkPropertyMetadataOptions.AffectsRender));
-
-        public double Speed
-        {
-            get => (double) GetValue(SpeedProperty);
-            set => SetValue(SpeedProperty, value);
-        }
-
-        public static readonly DependencyProperty IsRunningProperty = DependencyProperty.Register(
-            "IsRunning", typeof(bool), typeof(RunningBlock), new PropertyMetadata(ValueBoxes.TrueBox, (o, args) =>
-            {
-                var ctl = (RunningBlock) o;
-                var v = (bool) args.NewValue;
-                if (v)
-                {
-                    ctl._storyboard?.Resume();
-                }
-                else
-                {
-                    ctl._storyboard?.Pause();
-                }
-            }));
-
-        public bool IsRunning
-        {
-            get => (bool) GetValue(IsRunningProperty);
-            set => SetValue(IsRunningProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty AutoReverseProperty = DependencyProperty.Register(
-            "AutoReverse", typeof(bool), typeof(RunningBlock), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
-
-        public bool AutoReverse
-        {
-            get => (bool) GetValue(AutoReverseProperty);
-            set => SetValue(AutoReverseProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        private void UpdateContent()
-        {
-            if (_elementContent == null || _elementPanel == null) return;
-            if (MathHelper.IsZero(_elementPanel.ActualWidth) || MathHelper.IsZero(_elementPanel.ActualHeight)) return;
-
-            _storyboard?.Stop();
-
-            double from;
-            double to;
-            PropertyPath propertyPath;
-
-            if (Orientation == Orientation.Horizontal)
-            {
-                if (AutoRun && _elementPanel.ActualWidth < ActualWidth)
-                {
-                    return;
-                }
-
-                if (Runaway)
-                {
-                    from = -_elementPanel.ActualWidth;
-                    to = ActualWidth;
-                }
-                else
-                {
-                    from = 0;
-                    to = ActualWidth - _elementPanel.ActualWidth;
-                    SetCurrentValue(AutoReverseProperty, ValueBoxes.TrueBox);
-                }
-                propertyPath = new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(TranslateTransform.X)");
+                ctl._storyboard?.Resume();
             }
             else
             {
-                if (AutoRun && _elementPanel.ActualHeight < ActualHeight)
-                {
-                    return;
-                }
+                ctl._storyboard?.Pause();
+            }
+        }));
 
-                if (Runaway)
-                {
-                    from = -_elementPanel.ActualHeight;
-                    to = ActualHeight;
-                }
-                else
-                {
-                    from = 0;
-                    to = ActualHeight - _elementPanel.ActualHeight;
-                    SetCurrentValue(AutoReverseProperty, ValueBoxes.TrueBox);
-                }
-                propertyPath = new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(TranslateTransform.Y)");
+    public bool IsRunning
+    {
+        get => (bool) GetValue(IsRunningProperty);
+        set => SetValue(IsRunningProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty AutoReverseProperty = DependencyProperty.Register(
+        "AutoReverse", typeof(bool), typeof(RunningBlock), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public bool AutoReverse
+    {
+        get => (bool) GetValue(AutoReverseProperty);
+        set => SetValue(AutoReverseProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    private void UpdateContent()
+    {
+        if (_elementContent == null || _elementPanel == null) return;
+        if (MathHelper.IsZero(_elementPanel.ActualWidth) || MathHelper.IsZero(_elementPanel.ActualHeight)) return;
+
+        _storyboard?.Stop();
+
+        double from;
+        double to;
+        PropertyPath propertyPath;
+
+        if (Orientation == Orientation.Horizontal)
+        {
+            if (AutoRun && _elementPanel.ActualWidth < ActualWidth)
+            {
+                return;
             }
 
-            var duration = double.IsNaN(Speed)
-                ? Duration
-                : !MathHelper.IsVerySmall(Speed)
-                    ? TimeSpan.FromSeconds(Math.Abs(to - from) / Speed)
-                    : Duration;
-
-            var animation = new DoubleAnimation(from, to, duration)
+            if (Runaway)
             {
-                RepeatBehavior = RepeatBehavior.Forever,
-                AutoReverse = AutoReverse
-            };
-
-            Storyboard.SetTargetProperty(animation, propertyPath);
-            Storyboard.SetTarget(animation, _elementContent);
-
-            _storyboard = new Storyboard();
-            _storyboard.Children.Add(animation);
-            _storyboard.Begin();
+                from = -_elementPanel.ActualWidth;
+                to = ActualWidth;
+            }
+            else
+            {
+                from = 0;
+                to = ActualWidth - _elementPanel.ActualWidth;
+                SetCurrentValue(AutoReverseProperty, ValueBoxes.TrueBox);
+            }
+            propertyPath = new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(TranslateTransform.X)");
         }
+        else
+        {
+            if (AutoRun && _elementPanel.ActualHeight < ActualHeight)
+            {
+                return;
+            }
+
+            if (Runaway)
+            {
+                from = -_elementPanel.ActualHeight;
+                to = ActualHeight;
+            }
+            else
+            {
+                from = 0;
+                to = ActualHeight - _elementPanel.ActualHeight;
+                SetCurrentValue(AutoReverseProperty, ValueBoxes.TrueBox);
+            }
+            propertyPath = new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(TranslateTransform.Y)");
+        }
+
+        var duration = double.IsNaN(Speed)
+            ? Duration
+            : !MathHelper.IsVerySmall(Speed)
+                ? TimeSpan.FromSeconds(Math.Abs(to - from) / Speed)
+                : Duration;
+
+        var animation = new DoubleAnimation(from, to, duration)
+        {
+            RepeatBehavior = RepeatBehavior.Forever,
+            AutoReverse = AutoReverse
+        };
+
+        Storyboard.SetTargetProperty(animation, propertyPath);
+        Storyboard.SetTarget(animation, _elementContent);
+
+        _storyboard = new Storyboard();
+        _storyboard.Children.Add(animation);
+        _storyboard.Begin();
     }
 }

src/Shared/HandyControl_Shared/Controls/Block/RunningBlock/RunningBorder.cs

@@ -3,63 +3,62 @@ using System.Windows;
 using System.Windows.Controls;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class RunningBorder : Border
 {
-    public class RunningBorder : Border
+    private bool _test;
+
+    protected override Size MeasureOverride(Size constraint)
     {
-        private bool _test;
-
-        protected override Size MeasureOverride(Size constraint)
+        if (_test)
         {
-            if (_test)
-            {
-                _test = false;
-                return constraint;
-            }
-
-            var child = Child;
-            var borderThickness = BorderThickness;
-            var padding = Padding;
-
-            if (UseLayoutRounding)
-            {
-                var dpiScaleX = DpiHelper.DeviceDpiX;
-                var dpiScaleY = DpiHelper.DeviceDpiY;
-
-                borderThickness = new Thickness(
-                    DpiHelper.RoundLayoutValue(borderThickness.Left, dpiScaleX),
-                    DpiHelper.RoundLayoutValue(borderThickness.Top, dpiScaleY),
-                    DpiHelper.RoundLayoutValue(borderThickness.Right, dpiScaleX),
-                    DpiHelper.RoundLayoutValue(borderThickness.Bottom, dpiScaleY));
-            }
-
-            var borderSize = ConvertThickness2Size(borderThickness);
-            var paddingSize = ConvertThickness2Size(padding);
-            var mySize = new Size();
-
-            if (child != null)
-            {
-                var combined = new Size(borderSize.Width + paddingSize.Width, borderSize.Height + paddingSize.Height);
-                var borderConstraint = new Size(Math.Max(0.0, constraint.Width - combined.Width), Math.Max(0.0, constraint.Height - combined.Height));
-                var childConstraint = new Size(Math.Max(0.0, double.PositiveInfinity - combined.Width), Math.Max(0.0, double.PositiveInfinity - combined.Height));
-
-
-                child.Measure(borderConstraint);
-                var childSize = child.DesiredSize;
-
-                mySize.Width = childSize.Width + combined.Width;
-                mySize.Height = childSize.Height + combined.Height;
-
-                child.Measure(childConstraint);
-            }
-            else
-            {
-                mySize = new Size(borderSize.Width + paddingSize.Width, borderSize.Height + paddingSize.Height);
-            }
-
-            return mySize;
+            _test = false;
+            return constraint;
         }
 
-        private static Size ConvertThickness2Size(Thickness th) => new(th.Left + th.Right, th.Top + th.Bottom);
+        var child = Child;
+        var borderThickness = BorderThickness;
+        var padding = Padding;
+
+        if (UseLayoutRounding)
+        {
+            var dpiScaleX = DpiHelper.DeviceDpiX;
+            var dpiScaleY = DpiHelper.DeviceDpiY;
+
+            borderThickness = new Thickness(
+                DpiHelper.RoundLayoutValue(borderThickness.Left, dpiScaleX),
+                DpiHelper.RoundLayoutValue(borderThickness.Top, dpiScaleY),
+                DpiHelper.RoundLayoutValue(borderThickness.Right, dpiScaleX),
+                DpiHelper.RoundLayoutValue(borderThickness.Bottom, dpiScaleY));
+        }
+
+        var borderSize = ConvertThickness2Size(borderThickness);
+        var paddingSize = ConvertThickness2Size(padding);
+        var mySize = new Size();
+
+        if (child != null)
+        {
+            var combined = new Size(borderSize.Width + paddingSize.Width, borderSize.Height + paddingSize.Height);
+            var borderConstraint = new Size(Math.Max(0.0, constraint.Width - combined.Width), Math.Max(0.0, constraint.Height - combined.Height));
+            var childConstraint = new Size(Math.Max(0.0, double.PositiveInfinity - combined.Width), Math.Max(0.0, double.PositiveInfinity - combined.Height));
+
+
+            child.Measure(borderConstraint);
+            var childSize = child.DesiredSize;
+
+            mySize.Width = childSize.Width + combined.Width;
+            mySize.Height = childSize.Height + combined.Height;
+
+            child.Measure(childConstraint);
+        }
+        else
+        {
+            mySize = new Size(borderSize.Width + paddingSize.Width, borderSize.Height + paddingSize.Height);
+        }
+
+        return mySize;
     }
+
+    private static Size ConvertThickness2Size(Thickness th) => new(th.Left + th.Right, th.Top + th.Bottom);
 }

src/Shared/HandyControl_Shared/Controls/Block/ToggleBlock.cs

@@ -3,57 +3,56 @@ using System.Windows;
 using System.Windows.Controls;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     切换块
+/// </summary>
+public class ToggleBlock : Control
 {
-    /// <summary>
-    ///     切换块
-    /// </summary>
-    public class ToggleBlock : Control
+    public static readonly DependencyProperty IsCheckedProperty = DependencyProperty.Register(
+        "IsChecked", typeof(bool?), typeof(ToggleBlock), new FrameworkPropertyMetadata(ValueBoxes.FalseBox,
+            FrameworkPropertyMetadataOptions.BindsTwoWayByDefault | FrameworkPropertyMetadataOptions.Journal));
+
+    [Category("Appearance")]
+    [TypeConverter(typeof(NullableBoolConverter))]
+    [Localizability(LocalizationCategory.None, Readability = Readability.Unreadable)]
+    public bool? IsChecked
     {
-        public static readonly DependencyProperty IsCheckedProperty = DependencyProperty.Register(
-            "IsChecked", typeof(bool?), typeof(ToggleBlock), new FrameworkPropertyMetadata(ValueBoxes.FalseBox,
-                FrameworkPropertyMetadataOptions.BindsTwoWayByDefault | FrameworkPropertyMetadataOptions.Journal));
-
-        [Category("Appearance")]
-        [TypeConverter(typeof(NullableBoolConverter))]
-        [Localizability(LocalizationCategory.None, Readability = Readability.Unreadable)]
-        public bool? IsChecked
+        get
         {
-            get
-            {
-                // Because Nullable<bool> unboxing is very slow (uses reflection) first we cast to bool
-                var value = GetValue(IsCheckedProperty);
-                // ReSharper disable once RedundantExplicitNullableCreation
-                return value == null ? new bool?() : new bool?((bool) value);
-            }
-            set => SetValue(IsCheckedProperty, value.HasValue ? ValueBoxes.BooleanBox(value.Value) : null);
+            // Because Nullable<bool> unboxing is very slow (uses reflection) first we cast to bool
+            var value = GetValue(IsCheckedProperty);
+            // ReSharper disable once RedundantExplicitNullableCreation
+            return value == null ? new bool?() : new bool?((bool) value);
         }
+        set => SetValue(IsCheckedProperty, value.HasValue ? ValueBoxes.BooleanBox(value.Value) : null);
+    }
 
-        public static readonly DependencyProperty CheckedContentProperty = DependencyProperty.Register(
-            "CheckedContent", typeof(object), typeof(ToggleBlock), new PropertyMetadata(default(object)));
+    public static readonly DependencyProperty CheckedContentProperty = DependencyProperty.Register(
+        "CheckedContent", typeof(object), typeof(ToggleBlock), new PropertyMetadata(default(object)));
 
-        public object CheckedContent
-        {
-            get => GetValue(CheckedContentProperty);
-            set => SetValue(CheckedContentProperty, value);
-        }
+    public object CheckedContent
+    {
+        get => GetValue(CheckedContentProperty);
+        set => SetValue(CheckedContentProperty, value);
+    }
 
-        public static readonly DependencyProperty UnCheckedContentProperty = DependencyProperty.Register(
-            "UnCheckedContent", typeof(object), typeof(ToggleBlock), new PropertyMetadata(default(object)));
+    public static readonly DependencyProperty UnCheckedContentProperty = DependencyProperty.Register(
+        "UnCheckedContent", typeof(object), typeof(ToggleBlock), new PropertyMetadata(default(object)));
 
-        public object UnCheckedContent
-        {
-            get => GetValue(UnCheckedContentProperty);
-            set => SetValue(UnCheckedContentProperty, value);
-        }
+    public object UnCheckedContent
+    {
+        get => GetValue(UnCheckedContentProperty);
+        set => SetValue(UnCheckedContentProperty, value);
+    }
 
-        public static readonly DependencyProperty IndeterminateContentProperty = DependencyProperty.Register(
-            "IndeterminateContent", typeof(object), typeof(ToggleBlock), new PropertyMetadata(default(object)));
+    public static readonly DependencyProperty IndeterminateContentProperty = DependencyProperty.Register(
+        "IndeterminateContent", typeof(object), typeof(ToggleBlock), new PropertyMetadata(default(object)));
 
-        public object IndeterminateContent
-        {
-            get => GetValue(IndeterminateContentProperty);
-            set => SetValue(IndeterminateContentProperty, value);
-        }
+    public object IndeterminateContent
+    {
+        get => GetValue(IndeterminateContentProperty);
+        set => SetValue(IndeterminateContentProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Button/ButtonGroup.cs

@@ -1,32 +1,40 @@
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Controls.Primitives;
+using System.Windows.Media;
+using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class ButtonGroup : ItemsControl
 {
-    public class ButtonGroup : ItemsControl
+    protected override bool IsItemItsOwnContainerOverride(object item) => item is Button or RadioButton or ToggleButton;
+
+    public static readonly DependencyProperty OrientationProperty = DependencyProperty.Register(
+        "Orientation", typeof(Orientation), typeof(ButtonGroup), new PropertyMetadata(default(Orientation)));
+
+    public Orientation Orientation
     {
-        protected override bool IsItemItsOwnContainerOverride(object item) => item is Button || item is RadioButton || item is ToggleButton;
+        get => (Orientation) GetValue(OrientationProperty);
+        set => SetValue(OrientationProperty, value);
+    }
 
-        public static readonly DependencyProperty OrientationProperty = DependencyProperty.Register(
-            "Orientation", typeof(Orientation), typeof(ButtonGroup), new PropertyMetadata(default(Orientation)));
+    public static readonly DependencyProperty LayoutProperty = DependencyProperty.Register(
+        "Layout", typeof(LinearLayout), typeof(ButtonGroup), new PropertyMetadata(LinearLayout.Uniform));
 
-        public Orientation Orientation
+    public LinearLayout Layout
+    {
+        get => (LinearLayout) GetValue(LayoutProperty);
+        set => SetValue(LayoutProperty, value);
+    }
+
+    protected override void OnRender(DrawingContext drawingContext)
+    {
+        var count = Items.Count;
+        for (var i = 0; i < count; i++)
         {
-            get => (Orientation) GetValue(OrientationProperty);
-            set => SetValue(OrientationProperty, value);
-        }
-
-        protected override void OnVisualChildrenChanged(DependencyObject visualAdded, DependencyObject visualRemoved)
-        {
-            base.OnVisualChildrenChanged(visualAdded, visualRemoved);
-
-            var count = Items.Count;
-            for (var i = 0; i < count; i++)
-            {
-                var item = (ButtonBase) Items[i];
-                item.Style = ItemContainerStyleSelector?.SelectStyle(item, this);
-            }
+            var item = (ButtonBase) Items[i];
+            item.Style = ItemContainerStyleSelector?.SelectStyle(item, this);
         }
     }
 }

src/Shared/HandyControl_Shared/Controls/Button/ContextMenuButton.cs

@@ -1,23 +1,22 @@
 using System.Windows.Controls;
 
 
-namespace HandyControl.Controls
-{
-    /// <summary>
-    ///     带上下文菜单的按钮
-    /// </summary>
-    public class ContextMenuButton : Button
-    {
-        public ContextMenu Menu { get; set; }
+namespace HandyControl.Controls;
 
-        protected override void OnClick()
+/// <summary>
+///     带上下文菜单的按钮
+/// </summary>
+public class ContextMenuButton : Button
+{
+    public ContextMenu Menu { get; set; }
+
+    protected override void OnClick()
+    {
+        base.OnClick();
+        if (Menu != null)
         {
-            base.OnClick();
-            if (Menu != null)
-            {
-                Menu.PlacementTarget = this;
-                Menu.IsOpen = true;
-            }
+            Menu.PlacementTarget = this;
+            Menu.IsOpen = true;
         }
     }
 }

src/Shared/HandyControl_Shared/Controls/Button/ContextMenuToggleButton.cs

@@ -2,29 +2,28 @@
 using System.Windows.Controls.Primitives;
 
 
-namespace HandyControl.Controls
-{
-    /// <summary>
-    ///     带上下文菜单的切换按钮
-    /// </summary>
-    public class ContextMenuToggleButton : ToggleButton
-    {
-        public ContextMenu Menu { get; set; }
+namespace HandyControl.Controls;
 
-        protected override void OnClick()
+/// <summary>
+///     带上下文菜单的切换按钮
+/// </summary>
+public class ContextMenuToggleButton : ToggleButton
+{
+    public ContextMenu Menu { get; set; }
+
+    protected override void OnClick()
+    {
+        base.OnClick();
+        if (Menu != null)
         {
-            base.OnClick();
-            if (Menu != null)
+            if (IsChecked == true)
             {
-                if (IsChecked == true)
-                {
-                    Menu.PlacementTarget = this;
-                    Menu.IsOpen = true;
-                }
-                else
-                {
-                    Menu.IsOpen = false;
-                }
+                Menu.PlacementTarget = this;
+                Menu.IsOpen = true;
+            }
+            else
+            {
+                Menu.IsOpen = false;
             }
         }
     }

src/Shared/HandyControl_Shared/Controls/Button/ProgressButton.cs

@@ -2,26 +2,25 @@
 using System.Windows.Controls.Primitives;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class ProgressButton : ToggleButton
 {
-    public class ProgressButton : ToggleButton
+    public static readonly DependencyProperty ProgressStyleProperty = DependencyProperty.Register(
+        "ProgressStyle", typeof(Style), typeof(ProgressButton), new PropertyMetadata(default(Style)));
+
+    public Style ProgressStyle
     {
-        public static readonly DependencyProperty ProgressStyleProperty = DependencyProperty.Register(
-            "ProgressStyle", typeof(Style), typeof(ProgressButton), new PropertyMetadata(default(Style)));
+        get => (Style) GetValue(ProgressStyleProperty);
+        set => SetValue(ProgressStyleProperty, value);
+    }
 
-        public Style ProgressStyle
-        {
-            get => (Style) GetValue(ProgressStyleProperty);
-            set => SetValue(ProgressStyleProperty, value);
-        }
+    public static readonly DependencyProperty ProgressProperty = DependencyProperty.Register(
+        "Progress", typeof(double), typeof(ProgressButton), new PropertyMetadata(ValueBoxes.Double0Box));
 
-        public static readonly DependencyProperty ProgressProperty = DependencyProperty.Register(
-            "Progress", typeof(double), typeof(ProgressButton), new PropertyMetadata(ValueBoxes.Double0Box));
-
-        public double Progress
-        {
-            get => (double) GetValue(ProgressProperty);
-            set => SetValue(ProgressProperty, value);
-        }
+    public double Progress
+    {
+        get => (double) GetValue(ProgressProperty);
+        set => SetValue(ProgressProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Button/SplitButton.cs

@@ -5,77 +5,76 @@ using System.Windows.Input;
 using HandyControl.Data;
 using HandyControl.Data.Enum;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class SplitButton : ButtonBase
 {
-    public class SplitButton : ButtonBase
+    public static readonly DependencyProperty HitModeProperty = DependencyProperty.Register(
+        "HitMode", typeof(HitMode), typeof(SplitButton), new PropertyMetadata(default(HitMode)));
+
+    public HitMode HitMode
     {
-        public static readonly DependencyProperty HitModeProperty = DependencyProperty.Register(
-            "HitMode", typeof(HitMode), typeof(SplitButton), new PropertyMetadata(default(HitMode)));
+        get => (HitMode) GetValue(HitModeProperty);
+        set => SetValue(HitModeProperty, value);
+    }
 
-        public HitMode HitMode
+    public static readonly DependencyProperty MaxDropDownHeightProperty = DependencyProperty.Register(
+        "MaxDropDownHeight", typeof(double), typeof(SplitButton), new PropertyMetadata(SystemParameters.PrimaryScreenHeight / 3.0));
+
+    public double MaxDropDownHeight
+    {
+        get => (double) GetValue(MaxDropDownHeightProperty);
+        set => SetValue(MaxDropDownHeightProperty, value);
+    }
+
+    public static readonly DependencyProperty IsDropDownOpenProperty = DependencyProperty.Register(
+        "IsDropDownOpen", typeof(bool), typeof(SplitButton), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool IsDropDownOpen
+    {
+        get => (bool) GetValue(IsDropDownOpenProperty);
+        set => SetValue(IsDropDownOpenProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty DropDownContentProperty = DependencyProperty.Register(
+        "DropDownContent", typeof(object), typeof(SplitButton), new PropertyMetadata(default(object)));
+
+    public object DropDownContent
+    {
+        get => GetValue(DropDownContentProperty);
+        set => SetValue(DropDownContentProperty, value);
+    }
+
+    public SplitButton()
+    {
+        AddHandler(MenuItem.ClickEvent, new RoutedEventHandler(ItemsOnClick));
+    }
+
+    private void ItemsOnClick(object sender, RoutedEventArgs e)
+    {
+        if (e.OriginalSource is MenuItem)
         {
-            get => (HitMode) GetValue(HitModeProperty);
-            set => SetValue(HitModeProperty, value);
+            SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.FalseBox);
         }
+    }
 
-        public static readonly DependencyProperty MaxDropDownHeightProperty = DependencyProperty.Register(
-            "MaxDropDownHeight", typeof(double), typeof(SplitButton), new PropertyMetadata(SystemParameters.PrimaryScreenHeight / 3.0));
+    protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e)
+    {
+        base.OnPreviewMouseLeftButtonDown(e);
 
-        public double MaxDropDownHeight
+        if (HitMode == HitMode.Hover)
         {
-            get => (double) GetValue(MaxDropDownHeightProperty);
-            set => SetValue(MaxDropDownHeightProperty, value);
+            e.Handled = true;
         }
+    }
 
-        public static readonly DependencyProperty IsDropDownOpenProperty = DependencyProperty.Register(
-            "IsDropDownOpen", typeof(bool), typeof(SplitButton), new PropertyMetadata(ValueBoxes.FalseBox));
+    protected override void OnMouseEnter(MouseEventArgs e)
+    {
+        base.OnMouseEnter(e);
 
-        public bool IsDropDownOpen
+        if (HitMode == HitMode.Hover)
         {
-            get => (bool) GetValue(IsDropDownOpenProperty);
-            set => SetValue(IsDropDownOpenProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty DropDownContentProperty = DependencyProperty.Register(
-            "DropDownContent", typeof(object), typeof(SplitButton), new PropertyMetadata(default(object)));
-
-        public object DropDownContent
-        {
-            get => GetValue(DropDownContentProperty);
-            set => SetValue(DropDownContentProperty, value);
-        }
-
-        public SplitButton()
-        {
-            AddHandler(MenuItem.ClickEvent, new RoutedEventHandler(ItemsOnClick));
-        }
-
-        private void ItemsOnClick(object sender, RoutedEventArgs e)
-        {
-            if (e.OriginalSource is MenuItem)
-            {
-                SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.FalseBox);
-            }
-        }
-
-        protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e)
-        {
-            base.OnPreviewMouseLeftButtonDown(e);
-
-            if (HitMode == HitMode.Hover)
-            {
-                e.Handled = true;
-            }
-        }
-
-        protected override void OnMouseEnter(MouseEventArgs e)
-        {
-            base.OnMouseEnter(e);
-
-            if (HitMode == HitMode.Hover)
-            {
-                SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.TrueBox);
-            }
+            SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.TrueBox);
         }
     }
 }

src/Shared/HandyControl_Shared/Controls/Carousel/Carousel.cs

@@ -14,443 +14,442 @@ using HandyControl.Data;
 using HandyControl.Interactivity;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     轮播控件
+/// </summary>
+[DefaultProperty("Items")]
+[ContentProperty("Items")]
+[TemplatePart(Name = ElementPanelPage, Type = typeof(Panel))]
+public class Carousel : SimpleItemsControl, IDisposable
 {
-    /// <summary>
-    ///     轮播控件
-    /// </summary>
-    [DefaultProperty("Items")]
-    [ContentProperty("Items")]
-    [TemplatePart(Name = ElementPanelPage, Type = typeof(Panel))]
-    public class Carousel : SimpleItemsControl, IDisposable
+    #region Constants
+
+    private const string ElementPanelPage = "PART_PanelPage";
+
+    #endregion Constants
+
+    #region Data
+
+    private bool _isDisposed;
+
+    private Panel _panelPage;
+
+    private bool _appliedTemplate;
+
+    private int _pageIndex = -1;
+
+    private RadioButton _selectedButton;
+
+    private DispatcherTimer _updateTimer;
+
+    private readonly List<double> _widthList = new();
+
+    private readonly Dictionary<object, CarouselItem> _entryDic = new();
+
+    private bool _isRefresh;
+
+    private IEnumerable _itemsSourceInternal;
+
+    #endregion Data
+
+    public override void OnApplyTemplate()
     {
-        #region Constants
+        _appliedTemplate = false;
 
-        private const string ElementPanelPage = "PART_PanelPage";
+        _panelPage?.RemoveHandler(ButtonBase.ClickEvent, new RoutedEventHandler(ButtonPages_OnClick));
 
-        #endregion Constants
+        base.OnApplyTemplate();
 
-        #region Data
+        _panelPage = GetTemplateChild(ElementPanelPage) as Panel;
 
-        private bool _isDisposed;
+        if (!CheckNull()) return;
 
-        private Panel _panelPage;
+        _panelPage.AddHandler(ButtonBase.ClickEvent, new RoutedEventHandler(ButtonPages_OnClick));
+        _appliedTemplate = true;
+        Update();
+    }
 
-        private bool _appliedTemplate;
+    private void Update()
+    {
+        TimerSwitch(AutoRun);
+        UpdatePageButtons(_pageIndex);
+    }
 
-        private int _pageIndex = -1;
+    private bool CheckNull() => _panelPage != null;
 
-        private RadioButton _selectedButton;
-
-        private DispatcherTimer _updateTimer;
-
-        private readonly List<double> _widthList = new();
-
-        private readonly Dictionary<object, CarouselItem> _entryDic = new();
-
-        private bool _isRefresh;
-
-        private IEnumerable _itemsSourceInternal;
-
-        #endregion Data
-
-        public override void OnApplyTemplate()
+    public static readonly DependencyProperty AutoRunProperty = DependencyProperty.Register(
+        "AutoRun", typeof(bool), typeof(Carousel), new PropertyMetadata(ValueBoxes.FalseBox, (o, args) =>
         {
-            _appliedTemplate = false;
+            var ctl = (Carousel) o;
+            ctl.TimerSwitch((bool) args.NewValue);
+        }));
 
-            _panelPage?.RemoveHandler(ButtonBase.ClickEvent, new RoutedEventHandler(ButtonPages_OnClick));
+    public static readonly DependencyProperty IntervalProperty = DependencyProperty.Register(
+        "Interval", typeof(TimeSpan), typeof(Carousel), new PropertyMetadata(TimeSpan.FromSeconds(2)));
 
-            base.OnApplyTemplate();
+    public static readonly DependencyProperty ExtendWidthProperty = DependencyProperty.Register(
+        "ExtendWidth", typeof(double), typeof(Carousel), new PropertyMetadata(ValueBoxes.Double0Box));
 
-            _panelPage = GetTemplateChild(ElementPanelPage) as Panel;
+    public double ExtendWidth
+    {
+        get => (double) GetValue(ExtendWidthProperty);
+        set => SetValue(ExtendWidthProperty, value);
+    }
 
-            if (!CheckNull()) return;
+    public static readonly DependencyProperty IsCenterProperty = DependencyProperty.Register(
+        "IsCenter", typeof(bool), typeof(Carousel), new PropertyMetadata(ValueBoxes.FalseBox));
 
-            _panelPage.AddHandler(ButtonBase.ClickEvent, new RoutedEventHandler(ButtonPages_OnClick));
-            _appliedTemplate = true;
-            Update();
-        }
+    public bool IsCenter
+    {
+        get => (bool) GetValue(IsCenterProperty);
+        set => SetValue(IsCenterProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        private void Update()
+    public static readonly DependencyProperty PageButtonStyleProperty = DependencyProperty.Register(
+        "PageButtonStyle", typeof(Style), typeof(Carousel), new PropertyMetadata(default(Style)));
+
+    public Style PageButtonStyle
+    {
+        get => (Style) GetValue(PageButtonStyleProperty);
+        set => SetValue(PageButtonStyleProperty, value);
+    }
+
+    public Carousel()
+    {
+        CommandBindings.Add(new CommandBinding(ControlCommands.Prev, ButtonPrev_OnClick));
+        CommandBindings.Add(new CommandBinding(ControlCommands.Next, ButtonNext_OnClick));
+        CommandBindings.Add(new CommandBinding(ControlCommands.Selected, ButtonPages_OnClick));
+
+        Loaded += (s, e) => UpdatePageButtons();
+        IsVisibleChanged += Carousel_IsVisibleChanged;
+    }
+
+    ~Carousel() => Dispose();
+
+    public void Dispose()
+    {
+        if (_isDisposed) return;
+
+        IsVisibleChanged -= Carousel_IsVisibleChanged;
+        _updateTimer?.Stop();
+        _isDisposed = true;
+
+        GC.SuppressFinalize(this);
+    }
+
+    private void Carousel_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
+    {
+        if (_updateTimer == null) return;
+
+        if (IsVisible)
         {
-            TimerSwitch(AutoRun);
-            UpdatePageButtons(_pageIndex);
-        }
-
-        private bool CheckNull() => _panelPage != null;
-
-        public static readonly DependencyProperty AutoRunProperty = DependencyProperty.Register(
-            "AutoRun", typeof(bool), typeof(Carousel), new PropertyMetadata(ValueBoxes.FalseBox, (o, args) =>
-            {
-                var ctl = (Carousel) o;
-                ctl.TimerSwitch((bool) args.NewValue);
-            }));
-
-        public static readonly DependencyProperty IntervalProperty = DependencyProperty.Register(
-            "Interval", typeof(TimeSpan), typeof(Carousel), new PropertyMetadata(TimeSpan.FromSeconds(2)));
-
-        public static readonly DependencyProperty ExtendWidthProperty = DependencyProperty.Register(
-            "ExtendWidth", typeof(double), typeof(Carousel), new PropertyMetadata(ValueBoxes.Double0Box));
-
-        public double ExtendWidth
-        {
-            get => (double) GetValue(ExtendWidthProperty);
-            set => SetValue(ExtendWidthProperty, value);
-        }
-
-        public static readonly DependencyProperty IsCenterProperty = DependencyProperty.Register(
-            "IsCenter", typeof(bool), typeof(Carousel), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool IsCenter
-        {
-            get => (bool) GetValue(IsCenterProperty);
-            set => SetValue(IsCenterProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty PageButtonStyleProperty = DependencyProperty.Register(
-            "PageButtonStyle", typeof(Style), typeof(Carousel), new PropertyMetadata(default(Style)));
-
-        public Style PageButtonStyle
-        {
-            get => (Style) GetValue(PageButtonStyleProperty);
-            set => SetValue(PageButtonStyleProperty, value);
-        }
-
-        public Carousel()
-        {
-            CommandBindings.Add(new CommandBinding(ControlCommands.Prev, ButtonPrev_OnClick));
-            CommandBindings.Add(new CommandBinding(ControlCommands.Next, ButtonNext_OnClick));
-            CommandBindings.Add(new CommandBinding(ControlCommands.Selected, ButtonPages_OnClick));
-
-            Loaded += (s, e) => UpdatePageButtons();
-            IsVisibleChanged += Carousel_IsVisibleChanged;
-        }
-
-        ~Carousel() => Dispose();
-
-        public void Dispose()
-        {
-            if (_isDisposed) return;
-
-            IsVisibleChanged -= Carousel_IsVisibleChanged;
-            _updateTimer?.Stop();
-            _isDisposed = true;
-
-            GC.SuppressFinalize(this);
-        }
-
-        private void Carousel_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
-        {
-            if (_updateTimer == null) return;
-
-            if (IsVisible)
-            {
-                _updateTimer.Tick += UpdateTimer_Tick;
-                _updateTimer.Start();
-            }
-            else
-            {
-                _updateTimer.Stop();
-                _updateTimer.Tick -= UpdateTimer_Tick;
-            }
-        }
-
-        /// <summary>
-        ///     是否自动跳转
-        /// </summary>
-        public bool AutoRun
-        {
-            get => (bool) GetValue(AutoRunProperty);
-            set => SetValue(AutoRunProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        /// <summary>
-        ///     跳转时间间隔
-        /// </summary>
-        public TimeSpan Interval
-        {
-            get => (TimeSpan) GetValue(IntervalProperty);
-            set => SetValue(IntervalProperty, value);
-        }
-
-        /// <summary>
-        ///     页码
-        /// </summary>
-        public int PageIndex
-        {
-            get => _pageIndex;
-            set
-            {
-                if (Items.Count == 0) return;
-                if (_pageIndex == value) return;
-                if (value < 0)
-                    _pageIndex = Items.Count - 1;
-                else if (value >= Items.Count)
-                    _pageIndex = 0;
-                else
-                    _pageIndex = value;
-                UpdatePageButtons(_pageIndex);
-            }
-        }
-
-        /// <summary>
-        ///     计时器开关
-        /// </summary>
-        private void TimerSwitch(bool run)
-        {
-            if (!_appliedTemplate) return;
-
-            if (_updateTimer != null)
-            {
-                _updateTimer.Tick -= UpdateTimer_Tick;
-                _updateTimer.Stop();
-                _updateTimer = null;
-            }
-
-            if (!run) return;
-            _updateTimer = new DispatcherTimer
-            {
-                Interval = Interval
-            };
             _updateTimer.Tick += UpdateTimer_Tick;
             _updateTimer.Start();
         }
-
-        private void UpdateTimer_Tick(object sender, EventArgs e)
+        else
         {
-            if (IsMouseOver) return;
-            PageIndex++;
+            _updateTimer.Stop();
+            _updateTimer.Tick -= UpdateTimer_Tick;
         }
+    }
 
-        /// <summary>
-        ///     更新页按钮
-        /// </summary>
-        public void UpdatePageButtons(int index = -1)
+    /// <summary>
+    ///     是否自动跳转
+    /// </summary>
+    public bool AutoRun
+    {
+        get => (bool) GetValue(AutoRunProperty);
+        set => SetValue(AutoRunProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    /// <summary>
+    ///     跳转时间间隔
+    /// </summary>
+    public TimeSpan Interval
+    {
+        get => (TimeSpan) GetValue(IntervalProperty);
+        set => SetValue(IntervalProperty, value);
+    }
+
+    /// <summary>
+    ///     页码
+    /// </summary>
+    public int PageIndex
+    {
+        get => _pageIndex;
+        set
         {
-            if (!CheckNull()) return;
-            if (!_appliedTemplate) return;
-
-            var count = Items.Count;
-            _widthList.Clear();
-            _widthList.Add(0);
-            var width = .0;
-            foreach (FrameworkElement item in ItemsHost.Children)
-            {
-                item.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
-                width += item.DesiredSize.Width;
-                _widthList.Add(width);
-            }
-
-            ItemsHost.Width = _widthList.Last() + ExtendWidth;
-            _panelPage.Children.Clear();
-            for (var i = 0; i < count; i++)
-            {
-                _panelPage.Children.Add(new RadioButton
-                {
-                    Style = PageButtonStyle
-                });
-            }
-
-            if (index == -1 && count > 0) index = 0;
-            if (index >= 0 && index < count)
-            {
-                if (_panelPage.Children[index] is RadioButton button)
-                {
-                    button.IsChecked = true;
-                    button.RaiseEvent(new RoutedEventArgs(ButtonBase.ClickEvent, button));
-                    UpdateItemsPosition();
-                }
-            }
-        }
-
-        /// <summary>
-        ///     更新项的位置
-        /// </summary>
-        private void UpdateItemsPosition()
-        {
-            if (!CheckNull()) return;
-            if (!_appliedTemplate) return;
             if (Items.Count == 0) return;
-            if (!IsCenter)
+            if (_pageIndex == value) return;
+            if (value < 0)
+                _pageIndex = Items.Count - 1;
+            else if (value >= Items.Count)
+                _pageIndex = 0;
+            else
+                _pageIndex = value;
+            UpdatePageButtons(_pageIndex);
+        }
+    }
+
+    /// <summary>
+    ///     计时器开关
+    /// </summary>
+    private void TimerSwitch(bool run)
+    {
+        if (!_appliedTemplate) return;
+
+        if (_updateTimer != null)
+        {
+            _updateTimer.Tick -= UpdateTimer_Tick;
+            _updateTimer.Stop();
+            _updateTimer = null;
+        }
+
+        if (!run) return;
+        _updateTimer = new DispatcherTimer
+        {
+            Interval = Interval
+        };
+        _updateTimer.Tick += UpdateTimer_Tick;
+        _updateTimer.Start();
+    }
+
+    private void UpdateTimer_Tick(object sender, EventArgs e)
+    {
+        if (IsMouseOver) return;
+        PageIndex++;
+    }
+
+    /// <summary>
+    ///     更新页按钮
+    /// </summary>
+    public void UpdatePageButtons(int index = -1)
+    {
+        if (!CheckNull()) return;
+        if (!_appliedTemplate) return;
+
+        var count = Items.Count;
+        _widthList.Clear();
+        _widthList.Add(0);
+        var width = .0;
+        foreach (FrameworkElement item in ItemsHost.Children)
+        {
+            item.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
+            width += item.DesiredSize.Width;
+            _widthList.Add(width);
+        }
+
+        ItemsHost.Width = _widthList.Last() + ExtendWidth;
+        _panelPage.Children.Clear();
+        for (var i = 0; i < count; i++)
+        {
+            _panelPage.Children.Add(new RadioButton
             {
-                ItemsHost.BeginAnimation(MarginProperty,
-                    AnimationHelper.CreateAnimation(new Thickness(-_widthList[PageIndex], 0, 0, 0)));
+                Style = PageButtonStyle
+            });
+        }
+
+        if (index == -1 && count > 0) index = 0;
+        if (index >= 0 && index < count)
+        {
+            if (_panelPage.Children[index] is RadioButton button)
+            {
+                button.IsChecked = true;
+                button.RaiseEvent(new RoutedEventArgs(ButtonBase.ClickEvent, button));
+                UpdateItemsPosition();
+            }
+        }
+    }
+
+    /// <summary>
+    ///     更新项的位置
+    /// </summary>
+    private void UpdateItemsPosition()
+    {
+        if (!CheckNull()) return;
+        if (!_appliedTemplate) return;
+        if (Items.Count == 0) return;
+        if (!IsCenter)
+        {
+            ItemsHost.BeginAnimation(MarginProperty,
+                AnimationHelper.CreateAnimation(new Thickness(-_widthList[PageIndex], 0, 0, 0)));
+        }
+        else
+        {
+            var ctl = (FrameworkElement) ItemsHost.Children[PageIndex];
+            var ctlWidth = ctl.DesiredSize.Width;
+            ItemsHost.BeginAnimation(MarginProperty,
+                AnimationHelper.CreateAnimation(
+                    new Thickness(-_widthList[PageIndex] + (ActualWidth - ctlWidth) / 2, 0, 0, 0)));
+        }
+    }
+
+    protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
+    {
+        base.OnRenderSizeChanged(sizeInfo);
+        UpdateItemsPosition();
+    }
+
+    private void ButtonPages_OnClick(object sender, RoutedEventArgs e)
+    {
+        if (!CheckNull()) return;
+
+        _selectedButton = e.OriginalSource as RadioButton;
+
+        var index = _panelPage.Children.IndexOf(_selectedButton);
+        if (index != -1)
+        {
+            PageIndex = index;
+        }
+    }
+
+    private void ButtonPrev_OnClick(object sender, RoutedEventArgs e) => PageIndex--;
+
+    private void ButtonNext_OnClick(object sender, RoutedEventArgs e) => PageIndex++;
+
+    protected override DependencyObject GetContainerForItemOverride() => new CarouselItem();
+
+    protected override bool IsItemItsOwnContainerOverride(object item) => item is CarouselItem;
+
+    private void ClearItems()
+    {
+        ItemsHost?.Children.Clear();
+        _entryDic.Clear();
+    }
+
+    private void RemoveItem(object item)
+    {
+        if (_entryDic.TryGetValue(item, out var entry))
+        {
+            ItemsHost.Children.Remove(entry);
+            Items.Remove(item);
+            _entryDic.Remove(item);
+        }
+    }
+
+    protected override void Refresh()
+    {
+        if (ItemsHost == null) return;
+
+        _entryDic.Clear();
+        _isRefresh = true;
+
+        foreach (var item in Items)
+        {
+            AddItem(item);
+        }
+
+        _isRefresh = false;
+    }
+
+    private void AddItem(object item) => InsertItem(_entryDic.Count, item);
+
+    private void InsertItem(int index, object item)
+    {
+        if (ItemsHost == null)
+        {
+            Items.Insert(index, item);
+            _entryDic.Add(item, null);
+        }
+        else
+        {
+            DependencyObject container;
+            if (IsItemItsOwnContainerOverride(item))
+            {
+                container = item as DependencyObject;
             }
             else
             {
-                var ctl = (FrameworkElement) ItemsHost.Children[PageIndex];
-                var ctlWidth = ctl.DesiredSize.Width;
-                ItemsHost.BeginAnimation(MarginProperty,
-                    AnimationHelper.CreateAnimation(
-                        new Thickness(-_widthList[PageIndex] + (ActualWidth - ctlWidth) / 2, 0, 0, 0)));
+                container = GetContainerForItemOverride();
+                PrepareContainerForItemOverride(container, item);
             }
-        }
 
-        protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
-        {
-            base.OnRenderSizeChanged(sizeInfo);
-            UpdateItemsPosition();
-        }
-
-        private void ButtonPages_OnClick(object sender, RoutedEventArgs e)
-        {
-            if (!CheckNull()) return;
-
-            _selectedButton = e.OriginalSource as RadioButton;
-
-            var index = _panelPage.Children.IndexOf(_selectedButton);
-            if (index != -1)
+            if (container is CarouselItem element)
             {
-                PageIndex = index;
+                element.Style = ItemContainerStyle;
+                _entryDic[item] = element;
+                ItemsHost.Children.Insert(index, element);
+
+                if (IsLoaded && !_isRefresh && _itemsSourceInternal != null)
+                {
+                    Items.Insert(index, item);
+                }
             }
         }
+    }
 
-        private void ButtonPrev_OnClick(object sender, RoutedEventArgs e) => PageIndex--;
-
-        private void ButtonNext_OnClick(object sender, RoutedEventArgs e) => PageIndex++;
-
-        protected override DependencyObject GetContainerForItemOverride() => new CarouselItem();
-
-        protected override bool IsItemItsOwnContainerOverride(object item) => item is CarouselItem;
-
-        private void ClearItems()
+    protected override void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
+    {
+        if (_itemsSourceInternal != null)
         {
-            ItemsHost?.Children.Clear();
-            _entryDic.Clear();
-        }
-
-        private void RemoveItem(object item)
-        {
-            if (_entryDic.TryGetValue(item, out var entry))
+            if (_itemsSourceInternal is INotifyCollectionChanged s)
             {
-                ItemsHost.Children.Remove(entry);
-                Items.Remove(item);
-                _entryDic.Remove(item);
+                s.CollectionChanged -= InternalCollectionChanged;
             }
+
+            Items.Clear();
+            ClearItems();
         }
-
-        protected override void Refresh()
+        _itemsSourceInternal = newValue;
+        if (_itemsSourceInternal != null)
         {
-            if (ItemsHost == null) return;
-
-            _entryDic.Clear();
-            _isRefresh = true;
-
-            foreach (var item in Items)
+            if (_itemsSourceInternal is INotifyCollectionChanged s)
+            {
+                s.CollectionChanged += InternalCollectionChanged;
+            }
+            foreach (var item in _itemsSourceInternal)
             {
                 AddItem(item);
             }
-
-            _isRefresh = false;
-        }
-
-        private void AddItem(object item) => InsertItem(_entryDic.Count, item);
-
-        private void InsertItem(int index, object item)
-        {
-            if (ItemsHost == null)
-            {
-                Items.Insert(index, item);
-                _entryDic.Add(item, null);
-            }
-            else
-            {
-                DependencyObject container;
-                if (IsItemItsOwnContainerOverride(item))
-                {
-                    container = item as DependencyObject;
-                }
-                else
-                {
-                    container = GetContainerForItemOverride();
-                    PrepareContainerForItemOverride(container, item);
-                }
-
-                if (container is CarouselItem element)
-                {
-                    element.Style = ItemContainerStyle;
-                    _entryDic[item] = element;
-                    ItemsHost.Children.Insert(index, element);
-
-                    if (IsLoaded && !_isRefresh && _itemsSourceInternal != null)
-                    {
-                        Items.Insert(index, item);
-                    }
-                }
-            }
-        }
-
-        protected override void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
-        {
-            if (_itemsSourceInternal != null)
-            {
-                if (_itemsSourceInternal is INotifyCollectionChanged s)
-                {
-                    s.CollectionChanged -= InternalCollectionChanged;
-                }
-
-                Items.Clear();
-                ClearItems();
-            }
-            _itemsSourceInternal = newValue;
-            if (_itemsSourceInternal != null)
-            {
-                if (_itemsSourceInternal is INotifyCollectionChanged s)
-                {
-                    s.CollectionChanged += InternalCollectionChanged;
-                }
-                foreach (var item in _itemsSourceInternal)
-                {
-                    AddItem(item);
-                }
-            }
-        }
-
-        private void InternalCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
-        {
-            if (ItemsHost == null) return;
-
-            if (e.Action == NotifyCollectionChangedAction.Reset)
-            {
-                if (_entryDic.Count == 0) return;
-                ClearItems();
-                Items.Clear();
-                return;
-            }
-
-            if (e.OldItems != null)
-            {
-                foreach (var item in e.OldItems)
-                {
-                    RemoveItem(item);
-                }
-            }
-            if (e.NewItems != null)
-            {
-                var count = 0;
-                foreach (var item in e.NewItems)
-                {
-                    var index = e.NewStartingIndex + count++;
-                    InsertItem(index, item);
-                }
-            }
-        }
-
-        protected override void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
-        {
-            if (_itemsSourceInternal != null) return;
-
-            InternalCollectionChanged(sender, e);
-        }
-
-        protected override void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e)
-        {
-
-        }
-
-        protected override void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e)
-        {
-
         }
     }
+
+    private void InternalCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
+    {
+        if (ItemsHost == null) return;
+
+        if (e.Action == NotifyCollectionChangedAction.Reset)
+        {
+            if (_entryDic.Count == 0) return;
+            ClearItems();
+            Items.Clear();
+            return;
+        }
+
+        if (e.OldItems != null)
+        {
+            foreach (var item in e.OldItems)
+            {
+                RemoveItem(item);
+            }
+        }
+        if (e.NewItems != null)
+        {
+            var count = 0;
+            foreach (var item in e.NewItems)
+            {
+                var index = e.NewStartingIndex + count++;
+                InsertItem(index, item);
+            }
+        }
+    }
+
+    protected override void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
+    {
+        if (_itemsSourceInternal != null) return;
+
+        InternalCollectionChanged(sender, e);
+    }
+
+    protected override void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e)
+    {
+
+    }
+
+    protected override void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e)
+    {
+
+    }
 }

src/Shared/HandyControl_Shared/Controls/Carousel/CarouselItem.cs

@@ -1,9 +1,8 @@
 using System.Windows.Controls;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class CarouselItem : ContentControl
 {
-    public class CarouselItem : ContentControl
-    {
 
-    }
 }

src/Shared/HandyControl_Shared/Controls/ColorPicker/ColorDropper.cs

@@ -6,101 +6,100 @@ using HandyControl.Data;
 using HandyControl.Tools;
 using HandyControl.Tools.Interop;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+internal class ColorDropper
 {
-    internal class ColorDropper
+    private bool _cursorIsSetted;
+
+    private Cursor _dropperCursor;
+
+    private readonly ColorPicker _colorPicker;
+
+    public ColorDropper(ColorPicker colorPicker)
     {
-        private bool _cursorIsSetted;
+        _colorPicker = colorPicker;
+    }
 
-        private Cursor _dropperCursor;
-
-        private readonly ColorPicker _colorPicker;
-
-        public ColorDropper(ColorPicker colorPicker)
+    public void Update(bool isShow)
+    {
+        if (isShow)
         {
-            _colorPicker = colorPicker;
-        }
-
-        public void Update(bool isShow)
-        {
-            if (isShow)
+            if (_dropperCursor == null)
             {
-                if (_dropperCursor == null)
+                var info = Application.GetResourceStream(new Uri("pack://application:,,,/HandyControl;Component/Resources/dropper.cur"));
+                if (info != null)
                 {
-                    var info = Application.GetResourceStream(new Uri("pack://application:,,,/HandyControl;Component/Resources/dropper.cur"));
-                    if (info != null)
-                    {
-                        _dropperCursor = new Cursor(info.Stream);
-                    }
-                }
-
-                if (_dropperCursor == null) return;
-
-                MouseHook.Start();
-                MouseHook.StatusChanged += MouseHook_StatusChanged;
-            }
-            else
-            {
-                Mouse.OverrideCursor = Cursors.Arrow;
-                MouseHook.Stop();
-                MouseHook.StatusChanged -= MouseHook_StatusChanged;
-            }
-        }
-
-        private void MouseHook_StatusChanged(object sender, MouseHookEventArgs e)
-        {
-            var window = System.Windows.Window.GetWindow(_colorPicker);
-            if (window == null)
-            {
-                UpdateCursor(false);
-
-                return;
-            }
-
-            if (!_colorPicker.IsMouseOver && window.IsMouseOver)
-            {
-                UpdateCursor(true);
-                if (e.MessageType == MouseHookMessageType.LeftButtonDown)
-                {
-                    var brush = new SolidColorBrush(GetColorAt(e.Point.X, e.Point.Y));
-                    _colorPicker.SelectedBrush = brush;
+                    _dropperCursor = new Cursor(info.Stream);
                 }
             }
-            else
-            {
-                UpdateCursor(false);
-            }
+
+            if (_dropperCursor == null) return;
+
+            MouseHook.Start();
+            MouseHook.StatusChanged += MouseHook_StatusChanged;
         }
-
-        private void UpdateCursor(bool isDropper)
+        else
         {
-            if (isDropper)
-            {
-                Mouse.Captured?.ReleaseMouseCapture();
-
-                if (!_cursorIsSetted)
-                {
-                    Mouse.OverrideCursor = _dropperCursor;
-                    _cursorIsSetted = true;
-                }
-            }
-            else
-            {
-                if (_cursorIsSetted)
-                {
-                    Mouse.OverrideCursor = Cursors.Arrow;
-                    _cursorIsSetted = false;
-                }
-            }
-        }
-
-        public static Color GetColorAt(int x, int y)
-        {
-            var desk = InteropMethods.GetDesktopWindow();
-            var dc = InteropMethods.GetWindowDC(desk);
-            var a = (int) InteropMethods.GetPixel(dc, x, y);
-            InteropMethods.ReleaseDC(desk, dc);
-            return Color.FromArgb(255, (byte) ((a >> 0) & 0xff), (byte) ((a >> 8) & 0xff), (byte) ((a >> 16) & 0xff));
+            Mouse.OverrideCursor = Cursors.Arrow;
+            MouseHook.Stop();
+            MouseHook.StatusChanged -= MouseHook_StatusChanged;
         }
     }
+
+    private void MouseHook_StatusChanged(object sender, MouseHookEventArgs e)
+    {
+        var window = System.Windows.Window.GetWindow(_colorPicker);
+        if (window == null)
+        {
+            UpdateCursor(false);
+
+            return;
+        }
+
+        if (!_colorPicker.IsMouseOver && window.IsMouseOver)
+        {
+            UpdateCursor(true);
+            if (e.MessageType == MouseHookMessageType.LeftButtonDown)
+            {
+                var brush = new SolidColorBrush(GetColorAt(e.Point.X, e.Point.Y));
+                _colorPicker.SelectedBrush = brush;
+            }
+        }
+        else
+        {
+            UpdateCursor(false);
+        }
+    }
+
+    private void UpdateCursor(bool isDropper)
+    {
+        if (isDropper)
+        {
+            Mouse.Captured?.ReleaseMouseCapture();
+
+            if (!_cursorIsSetted)
+            {
+                Mouse.OverrideCursor = _dropperCursor;
+                _cursorIsSetted = true;
+            }
+        }
+        else
+        {
+            if (_cursorIsSetted)
+            {
+                Mouse.OverrideCursor = Cursors.Arrow;
+                _cursorIsSetted = false;
+            }
+        }
+    }
+
+    public static Color GetColorAt(int x, int y)
+    {
+        var desk = InteropMethods.GetDesktopWindow();
+        var dc = InteropMethods.GetWindowDC(desk);
+        var a = (int) InteropMethods.GetPixel(dc, x, y);
+        InteropMethods.ReleaseDC(desk, dc);
+        return Color.FromArgb(255, (byte) ((a >> 0) & 0xff), (byte) ((a >> 8) & 0xff), (byte) ((a >> 16) & 0xff));
+    }
 }

src/Shared/HandyControl_Shared/Controls/Cover/CoverFlow/CoverFlow.cs

@@ -10,289 +10,288 @@ using System.Windows.Media.Media3D;
 using HandyControl.Data;
 using HandyControl.Tools.Extension;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     封面流
+/// </summary>
+[TemplatePart(Name = ElementViewport3D, Type = typeof(Viewport3D))]
+[TemplatePart(Name = ElementCamera, Type = typeof(ProjectionCamera))]
+[TemplatePart(Name = ElementVisualParent, Type = typeof(ModelVisual3D))]
+public class CoverFlow : Control
 {
+    private const string ElementViewport3D = "PART_Viewport3D";
+
+    private const string ElementCamera = "PART_Camera";
+
+    private const string ElementVisualParent = "PART_VisualParent";
+
     /// <summary>
-    ///     封面流
+    ///     最大显示数量的一半
     /// </summary>
-    [TemplatePart(Name = ElementViewport3D, Type = typeof(Viewport3D))]
-    [TemplatePart(Name = ElementCamera, Type = typeof(ProjectionCamera))]
-    [TemplatePart(Name = ElementVisualParent, Type = typeof(ModelVisual3D))]
-    public class CoverFlow : Control
+    private const int MaxShowCountHalf = 3;
+
+    /// <summary>
+    ///     页码
+    /// </summary>
+    public static readonly DependencyProperty PageIndexProperty = DependencyProperty.Register(
+        "PageIndex", typeof(int), typeof(CoverFlow),
+        new PropertyMetadata(ValueBoxes.Int0Box, OnPageIndexChanged, CoercePageIndex));
+
+    private static object CoercePageIndex(DependencyObject d, object baseValue)
     {
-        private const string ElementViewport3D = "PART_Viewport3D";
+        var ctl = (CoverFlow) d;
+        var v = (int) baseValue;
 
-        private const string ElementCamera = "PART_Camera";
-
-        private const string ElementVisualParent = "PART_VisualParent";
-
-        /// <summary>
-        ///     最大显示数量的一半
-        /// </summary>
-        private const int MaxShowCountHalf = 3;
-
-        /// <summary>
-        ///     页码
-        /// </summary>
-        public static readonly DependencyProperty PageIndexProperty = DependencyProperty.Register(
-            "PageIndex", typeof(int), typeof(CoverFlow),
-            new PropertyMetadata(ValueBoxes.Int0Box, OnPageIndexChanged, CoercePageIndex));
-
-        private static object CoercePageIndex(DependencyObject d, object baseValue)
+        if (v < 0)
         {
-            var ctl = (CoverFlow) d;
-            var v = (int) baseValue;
+            return 0;
+        }
+        if (v >= ctl._contentDic.Count)
+        {
+            return ctl._contentDic.Count - 1;
+        }
+        return v;
+    }
 
-            if (v < 0)
-            {
-                return 0;
-            }
-            if (v >= ctl._contentDic.Count)
-            {
-                return ctl._contentDic.Count - 1;
-            }
-            return v;
+    private static void OnPageIndexChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (CoverFlow) d;
+        ctl.UpdateIndex((int) e.NewValue);
+    }
+
+    /// <summary>
+    ///     是否循环
+    /// </summary>
+    public static readonly DependencyProperty LoopProperty = DependencyProperty.Register(
+        "Loop", typeof(bool), typeof(CoverFlow), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    /// <summary>
+    ///     存储所有的内容
+    /// </summary>
+    private readonly Dictionary<int, object> _contentDic = new();
+
+    /// <summary>
+    ///     当前在显示范围内的项
+    /// </summary>
+    private readonly Dictionary<int, CoverFlowItem> _itemShowDic = new();
+
+    /// <summary>
+    ///     相机
+    /// </summary>
+    private ProjectionCamera _camera;
+
+    private Point3DAnimation _point3DAnimation;
+
+    /// <summary>
+    ///     3d画布
+    /// </summary>
+    private Viewport3D _viewport3D;
+
+    /// <summary>
+    ///     项容器
+    /// </summary>
+    private ModelVisual3D _visualParent;
+
+    /// <summary>
+    ///     显示范围内第一个项的编号
+    /// </summary>
+    private int _firstShowIndex;
+
+    /// <summary>
+    ///     显示范围内最后一个项的编号
+    /// </summary>
+    private int _lastShowIndex;
+
+    /// <summary>
+    ///     页码
+    /// </summary>
+    public int PageIndex
+    {
+        get => (int) GetValue(PageIndexProperty);
+        set => SetValue(PageIndexProperty, value);
+    }
+
+    /// <summary>
+    ///     是否循环
+    /// </summary>
+    public bool Loop
+    {
+        get => (bool) GetValue(LoopProperty);
+        set => SetValue(LoopProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public override void OnApplyTemplate()
+    {
+        if (_viewport3D != null)
+        {
+            _viewport3D.Children.Clear();
+            _itemShowDic.Clear();
+            _viewport3D.MouseLeftButtonDown -= Viewport3D_MouseLeftButtonDown;
         }
 
-        private static void OnPageIndexChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        base.OnApplyTemplate();
+
+        _viewport3D = GetTemplateChild(ElementViewport3D) as Viewport3D;
+        if (_viewport3D != null)
         {
-            var ctl = (CoverFlow) d;
-            ctl.UpdateIndex((int) e.NewValue);
+            _viewport3D.MouseLeftButtonDown += Viewport3D_MouseLeftButtonDown;
         }
 
-        /// <summary>
-        ///     是否循环
-        /// </summary>
-        public static readonly DependencyProperty LoopProperty = DependencyProperty.Register(
-            "Loop", typeof(bool), typeof(CoverFlow), new PropertyMetadata(ValueBoxes.FalseBox));
+        _camera = GetTemplateChild(ElementCamera) as ProjectionCamera;
+        _visualParent = GetTemplateChild(ElementVisualParent) as ModelVisual3D;
 
-        /// <summary>
-        ///     存储所有的内容
-        /// </summary>
-        private readonly Dictionary<int, object> _contentDic = new();
+        UpdateShowRange();
 
-        /// <summary>
-        ///     当前在显示范围内的项
-        /// </summary>
-        private readonly Dictionary<int, CoverFlowItem> _itemShowDic = new();
+        _point3DAnimation = new Point3DAnimation(new Point3D(CoverFlowItem.Interval * PageIndex, _camera.Position.Y, _camera.Position.Z), new Duration(TimeSpan.FromMilliseconds(200)));
+        _camera.BeginAnimation(ProjectionCamera.PositionProperty, _point3DAnimation);
+    }
 
-        /// <summary>
-        ///     相机
-        /// </summary>
-        private ProjectionCamera _camera;
-
-        private Point3DAnimation _point3DAnimation;
-
-        /// <summary>
-        ///     3d画布
-        /// </summary>
-        private Viewport3D _viewport3D;
-
-        /// <summary>
-        ///     项容器
-        /// </summary>
-        private ModelVisual3D _visualParent;
-
-        /// <summary>
-        ///     显示范围内第一个项的编号
-        /// </summary>
-        private int _firstShowIndex;
-
-        /// <summary>
-        ///     显示范围内最后一个项的编号
-        /// </summary>
-        private int _lastShowIndex;
-
-        /// <summary>
-        ///     页码
-        /// </summary>
-        public int PageIndex
+    /// <summary>
+    ///     批量添加资源
+    /// </summary>
+    /// <param name="contentList"></param>
+    public void AddRange(IEnumerable<object> contentList)
+    {
+        foreach (var content in contentList)
         {
-            get => (int) GetValue(PageIndexProperty);
-            set => SetValue(PageIndexProperty, value);
+            _contentDic.Add(_contentDic.Count, content);
+        }
+    }
+
+    /// <summary>
+    ///     添加一项资源
+    /// </summary>
+    /// <param name="uriString"></param>
+    public void Add(string uriString) => _contentDic.Add(_contentDic.Count, new Uri(uriString));
+
+    /// <summary>
+    ///     添加一项资源
+    /// </summary>
+    /// <param name="uri"></param>
+    public void Add(Uri uri) => _contentDic.Add(_contentDic.Count, uri);
+
+    public void Next() => PageIndex++;
+
+    public void Prev() => PageIndex--;
+
+    protected override void OnMouseWheel(MouseWheelEventArgs e)
+    {
+        base.OnMouseWheel(e);
+
+        if (e.Delta < 0)
+        {
+            var index = PageIndex + 1;
+            PageIndex = index >= _contentDic.Count ? Loop ? 0 : _contentDic.Count - 1 : index;
+        }
+        else
+        {
+            var index = PageIndex - 1;
+            PageIndex = index < 0 ? Loop ? _contentDic.Count - 1 : 0 : index;
         }
 
-        /// <summary>
-        ///     是否循环
-        /// </summary>
-        public bool Loop
-        {
-            get => (bool) GetValue(LoopProperty);
-            set => SetValue(LoopProperty, ValueBoxes.BooleanBox(value));
-        }
+        e.Handled = true;
+    }
 
-        public override void OnApplyTemplate()
+    /// <summary>
+    ///     删除指定位置的项
+    /// </summary>
+    /// <param name="pos"></param>
+    private void Remove(int pos)
+    {
+        if (!_itemShowDic.TryGetValue(pos, out var item)) return;
+        _visualParent.Children.Remove(item);
+        _itemShowDic.Remove(pos);
+    }
+
+    private void Viewport3D_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+    {
+        var result = (RayMeshGeometry3DHitTestResult) VisualTreeHelper.HitTest(_viewport3D, e.GetPosition(_viewport3D));
+        if (result != null)
         {
-            if (_viewport3D != null)
+            foreach (var item in _itemShowDic.Values)
             {
-                _viewport3D.Children.Clear();
-                _itemShowDic.Clear();
-                _viewport3D.MouseLeftButtonDown -= Viewport3D_MouseLeftButtonDown;
-            }
-
-            base.OnApplyTemplate();
-
-            _viewport3D = GetTemplateChild(ElementViewport3D) as Viewport3D;
-            if (_viewport3D != null)
-            {
-                _viewport3D.MouseLeftButtonDown += Viewport3D_MouseLeftButtonDown;
-            }
-
-            _camera = GetTemplateChild(ElementCamera) as ProjectionCamera;
-            _visualParent = GetTemplateChild(ElementVisualParent) as ModelVisual3D;
-
-            UpdateShowRange();
-
-            _point3DAnimation = new Point3DAnimation(new Point3D(CoverFlowItem.Interval * PageIndex, _camera.Position.Y, _camera.Position.Z), new Duration(TimeSpan.FromMilliseconds(200)));
-            _camera.BeginAnimation(ProjectionCamera.PositionProperty, _point3DAnimation);
-        }
-
-        /// <summary>
-        ///     批量添加资源
-        /// </summary>
-        /// <param name="contentList"></param>
-        public void AddRange(IEnumerable<object> contentList)
-        {
-            foreach (var content in contentList)
-            {
-                _contentDic.Add(_contentDic.Count, content);
+                if (item.HitTest(result.MeshHit))
+                {
+                    PageIndex = item.Index;
+                    break;
+                }
             }
         }
+    }
 
-        /// <summary>
-        ///     添加一项资源
-        /// </summary>
-        /// <param name="uriString"></param>
-        public void Add(string uriString) => _contentDic.Add(_contentDic.Count, new Uri(uriString));
-
-        /// <summary>
-        ///     添加一项资源
-        /// </summary>
-        /// <param name="uri"></param>
-        public void Add(Uri uri) => _contentDic.Add(_contentDic.Count, uri);
-
-        public void Next() => PageIndex++;
-
-        public void Prev() => PageIndex--;
-
-        protected override void OnMouseWheel(MouseWheelEventArgs e)
+    /// <summary>
+    ///     更新项的位置
+    /// </summary>
+    /// <param name="newIndex"></param>
+    private void UpdateIndex(int newIndex)
+    {
+        if (!IsLoaded)
         {
-            base.OnMouseWheel(e);
+            return;
+        }
 
-            if (e.Delta < 0)
+        UpdateShowRange();
+        _itemShowDic.Do(item =>
+        {
+            if (item.Value.Index < _firstShowIndex || item.Value.Index > _lastShowIndex)
             {
-                var index = PageIndex + 1;
-                PageIndex = index >= _contentDic.Count ? Loop ? 0 : _contentDic.Count - 1 : index;
+                Remove(item.Value.Index);
             }
             else
             {
-                var index = PageIndex - 1;
-                PageIndex = index < 0 ? Loop ? _contentDic.Count - 1 : 0 : index;
+                item.Value.Move(PageIndex);
             }
+        });
 
-            e.Handled = true;
-        }
+        _point3DAnimation = new Point3DAnimation(new Point3D(CoverFlowItem.Interval * newIndex, _camera.Position.Y,
+            _camera.Position.Z), new Duration(TimeSpan.FromMilliseconds(200)));
 
-        /// <summary>
-        ///     删除指定位置的项
-        /// </summary>
-        /// <param name="pos"></param>
-        private void Remove(int pos)
+        _camera.BeginAnimation(ProjectionCamera.PositionProperty, _point3DAnimation);
+    }
+
+    /// <summary>
+    ///     更新显示范围
+    /// </summary>
+    private void UpdateShowRange()
+    {
+        var newFirstShowIndex = Math.Max(PageIndex - MaxShowCountHalf, 0);
+        var newLastShowIndex = Math.Min(PageIndex + MaxShowCountHalf, _contentDic.Count - 1);
+
+        for (var i = newFirstShowIndex; i <= newLastShowIndex; i++)
         {
-            if (!_itemShowDic.TryGetValue(pos, out var item)) return;
-            _visualParent.Children.Remove(item);
-            _itemShowDic.Remove(pos);
-        }
-
-        private void Viewport3D_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
-        {
-            var result = (RayMeshGeometry3DHitTestResult) VisualTreeHelper.HitTest(_viewport3D, e.GetPosition(_viewport3D));
-            if (result != null)
+            if (!_itemShowDic.ContainsKey(i))
             {
-                foreach (var item in _itemShowDic.Values)
-                {
-                    if (item.HitTest(result.MeshHit))
-                    {
-                        PageIndex = item.Index;
-                        break;
-                    }
-                }
+                var cover = CreateCoverFlowItem(i, _contentDic[i]);
+                _itemShowDic[i] = cover;
+                _visualParent.Children.Add(cover);
             }
         }
 
-        /// <summary>
-        ///     更新项的位置
-        /// </summary>
-        /// <param name="newIndex"></param>
-        private void UpdateIndex(int newIndex)
+        _firstShowIndex = newFirstShowIndex;
+        _lastShowIndex = newLastShowIndex;
+    }
+
+    private CoverFlowItem CreateCoverFlowItem(int index, object content)
+    {
+        if (content is Uri uri)
         {
-            if (!IsLoaded)
+            try
             {
-                return;
+                return new CoverFlowItem(index, PageIndex, new Image
+                {
+                    Source = BitmapFrame.Create(uri, BitmapCreateOptions.DelayCreation, BitmapCacheOption.OnDemand)
+                });
             }
-
-            UpdateShowRange();
-            _itemShowDic.Do(item =>
+            catch
             {
-                if (item.Value.Index < _firstShowIndex || item.Value.Index > _lastShowIndex)
-                {
-                    Remove(item.Value.Index);
-                }
-                else
-                {
-                    item.Value.Move(PageIndex);
-                }
-            });
-
-            _point3DAnimation = new Point3DAnimation(new Point3D(CoverFlowItem.Interval * newIndex, _camera.Position.Y,
-                _camera.Position.Z), new Duration(TimeSpan.FromMilliseconds(200)));
-
-            _camera.BeginAnimation(ProjectionCamera.PositionProperty, _point3DAnimation);
+                return new CoverFlowItem(index, PageIndex, new ContentControl());
+            }
         }
 
-        /// <summary>
-        ///     更新显示范围
-        /// </summary>
-        private void UpdateShowRange()
+        return new CoverFlowItem(index, PageIndex, new ContentControl
         {
-            var newFirstShowIndex = Math.Max(PageIndex - MaxShowCountHalf, 0);
-            var newLastShowIndex = Math.Min(PageIndex + MaxShowCountHalf, _contentDic.Count - 1);
-
-            for (var i = newFirstShowIndex; i <= newLastShowIndex; i++)
-            {
-                if (!_itemShowDic.ContainsKey(i))
-                {
-                    var cover = CreateCoverFlowItem(i, _contentDic[i]);
-                    _itemShowDic[i] = cover;
-                    _visualParent.Children.Add(cover);
-                }
-            }
-
-            _firstShowIndex = newFirstShowIndex;
-            _lastShowIndex = newLastShowIndex;
-        }
-
-        private CoverFlowItem CreateCoverFlowItem(int index, object content)
-        {
-            if (content is Uri uri)
-            {
-                try
-                {
-                    return new CoverFlowItem(index, PageIndex, new Image
-                    {
-                        Source = BitmapFrame.Create(uri, BitmapCreateOptions.DelayCreation, BitmapCacheOption.OnDemand)
-                    });
-                }
-                catch
-                {
-                    return new CoverFlowItem(index, PageIndex, new ContentControl());
-                }
-            }
-
-            return new CoverFlowItem(index, PageIndex, new ContentControl
-            {
-                Content = content
-            });
-        }
+            Content = content
+        });
     }
 }

src/Shared/HandyControl_Shared/Controls/Cover/CoverFlow/CoverFlowItem.cs

@@ -4,154 +4,153 @@ using System.Windows.Media;
 using System.Windows.Media.Media3D;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class CoverFlowItem : ModelVisual3D
 {
-    public class CoverFlowItem : ModelVisual3D
+    internal static readonly double Interval = .2;
+
+    internal static readonly double AnimationSpeed = 400;
+
+    private readonly AxisAngleRotation3D _rotation3D;
+
+    private readonly TranslateTransform3D _transform3D;
+
+    private readonly Model3DGroup _model3DGroup;
+
+    private readonly UIElement _uiElement;
+
+    internal int Index { get; set; }
+
+    public CoverFlowItem(int itemIndex, int currentIndex, UIElement element)
     {
-        internal static readonly double Interval = .2;
+        Index = itemIndex;
+        _uiElement = element;
+        _uiElement.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
 
-        internal static readonly double AnimationSpeed = 400;
+        _rotation3D = new AxisAngleRotation3D(new Vector3D(0, 1, 0), GetAngleByPos(currentIndex));
+        _transform3D = new TranslateTransform3D(GetXByPos(currentIndex), 0, GetZByPos(currentIndex));
 
-        private readonly AxisAngleRotation3D _rotation3D;
+        var transformGroup = new Transform3DGroup();
+        transformGroup.Children.Add(new RotateTransform3D(_rotation3D));
+        transformGroup.Children.Add(_transform3D);
 
-        private readonly TranslateTransform3D _transform3D;
+        _model3DGroup = new Model3DGroup();
+        _model3DGroup.Children.Add(new GeometryModel3D(CreateItemGeometry(), new DiffuseMaterial(new VisualBrush(element))));
+        _model3DGroup.Transform = transformGroup;
 
-        private readonly Model3DGroup _model3DGroup;
+        Content = _model3DGroup;
+    }
 
-        private readonly UIElement _uiElement;
-
-        internal int Index { get; set; }
-
-        public CoverFlowItem(int itemIndex, int currentIndex, UIElement element)
+    /// <summary>
+    ///     创建网格形状
+    /// </summary>
+    /// <param name="p0"></param>
+    /// <param name="p1"></param>
+    /// <param name="p2"></param>
+    /// <param name="p3"></param>
+    /// <returns></returns>
+    private static MeshGeometry3D CreateMeshGeometry(Point3D p0, Point3D p1, Point3D p2, Point3D p3)
+    {
+        var positions = new Point3DCollection
         {
-            Index = itemIndex;
-            _uiElement = element;
-            _uiElement.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
+            p0,
+            p1,
+            p2,
+            p3
+        };
 
-            _rotation3D = new AxisAngleRotation3D(new Vector3D(0, 1, 0), GetAngleByPos(currentIndex));
-            _transform3D = new TranslateTransform3D(GetXByPos(currentIndex), 0, GetZByPos(currentIndex));
-
-            var transformGroup = new Transform3DGroup();
-            transformGroup.Children.Add(new RotateTransform3D(_rotation3D));
-            transformGroup.Children.Add(_transform3D);
-
-            _model3DGroup = new Model3DGroup();
-            _model3DGroup.Children.Add(new GeometryModel3D(CreateItemGeometry(), new DiffuseMaterial(new VisualBrush(element))));
-            _model3DGroup.Transform = transformGroup;
-
-            Content = _model3DGroup;
-        }
-
-        /// <summary>
-        ///     创建网格形状
-        /// </summary>
-        /// <param name="p0"></param>
-        /// <param name="p1"></param>
-        /// <param name="p2"></param>
-        /// <param name="p3"></param>
-        /// <returns></returns>
-        private static MeshGeometry3D CreateMeshGeometry(Point3D p0, Point3D p1, Point3D p2, Point3D p3)
+        var triangleIndices = new Int32Collection
         {
-            var positions = new Point3DCollection
-            {
-                p0,
-                p1,
-                p2,
-                p3
-            };
+            0,
+            1,
+            2,
+            2,
+            3,
+            0
+        };
 
-            var triangleIndices = new Int32Collection
-            {
-                0,
-                1,
-                2,
-                2,
-                3,
-                0
-            };
-
-            var textureCoordinates = new PointCollection
-            {
-                new(0, 1),
-                new(1, 1),
-                new(1, 0),
-                new(0, 0),
-                new(1, 0),
-                new(1, 1)
-            };
-
-            var normals = new Vector3DCollection
-            {
-                ArithmeticHelper.CalNormal(p0, p1, p2),
-                ArithmeticHelper.CalNormal(p2, p3, p0)
-            };
-
-            var geometry3D = new MeshGeometry3D
-            {
-                Positions = positions,
-                TriangleIndices = triangleIndices,
-                TextureCoordinates = textureCoordinates,
-                Normals = normals
-            };
-
-            geometry3D.Freeze();
-            return geometry3D;
-        }
-
-        /// <summary>
-        ///     创建内容形状
-        /// </summary>
-        /// <returns></returns>
-        private Geometry3D CreateItemGeometry()
+        var textureCoordinates = new PointCollection
         {
-            var sx = _uiElement.DesiredSize.Width > _uiElement.DesiredSize.Height ? 0 : 1 - _uiElement.DesiredSize.Width / _uiElement.DesiredSize.Height;
-            var sy = _uiElement.DesiredSize.Width < _uiElement.DesiredSize.Height ? 0 : 1 - _uiElement.DesiredSize.Height / _uiElement.DesiredSize.Width;
+            new(0, 1),
+            new(1, 1),
+            new(1, 0),
+            new(0, 0),
+            new(1, 0),
+            new(1, 1)
+        };
 
-            var p0 = new Point3D(-1 + sx, -1 + sy, 0);
-            var p1 = new Point3D(1 - sx, -1 + sy, 0);
-            var p2 = new Point3D(1 - sx, 1 - sy, 0);
-            var p3 = new Point3D(-1 + sx, 1 - sy, 0);
-
-            return CreateMeshGeometry(p0, p1, p2, p3);
-        }
-
-        private double GetAngleByPos(int index) => Math.Sign(Index - index) * -90;
-
-        private double GetXByPos(int index) => Index * Interval + Math.Sign(Index - index) * 1.5;
-
-        private double GetZByPos(int index) => Index == index ? 1 : 0;
-
-        /// <summary>
-        ///     移动
-        /// </summary>
-        internal void Move(int currentIndex)
+        var normals = new Vector3DCollection
         {
-            _rotation3D.BeginAnimation(AxisAngleRotation3D.AngleProperty,
-                AnimationHelper.CreateAnimation(GetAngleByPos(currentIndex), AnimationSpeed));
-            _transform3D.BeginAnimation(TranslateTransform3D.OffsetXProperty,
-                AnimationHelper.CreateAnimation(GetXByPos(currentIndex), AnimationSpeed));
-            _transform3D.BeginAnimation(TranslateTransform3D.OffsetZProperty,
-                AnimationHelper.CreateAnimation(GetZByPos(currentIndex), AnimationSpeed));
-        }
+            ArithmeticHelper.CalNormal(p0, p1, p2),
+            ArithmeticHelper.CalNormal(p2, p3, p0)
+        };
 
-        /// <summary>
-        ///     命中测试
-        /// </summary>
-        /// <param name="mesh"></param>
-        /// <returns></returns>
-        internal bool HitTest(MeshGeometry3D mesh)
+        var geometry3D = new MeshGeometry3D
         {
-            foreach (var item in _model3DGroup.Children)
+            Positions = positions,
+            TriangleIndices = triangleIndices,
+            TextureCoordinates = textureCoordinates,
+            Normals = normals
+        };
+
+        geometry3D.Freeze();
+        return geometry3D;
+    }
+
+    /// <summary>
+    ///     创建内容形状
+    /// </summary>
+    /// <returns></returns>
+    private Geometry3D CreateItemGeometry()
+    {
+        var sx = _uiElement.DesiredSize.Width > _uiElement.DesiredSize.Height ? 0 : 1 - _uiElement.DesiredSize.Width / _uiElement.DesiredSize.Height;
+        var sy = _uiElement.DesiredSize.Width < _uiElement.DesiredSize.Height ? 0 : 1 - _uiElement.DesiredSize.Height / _uiElement.DesiredSize.Width;
+
+        var p0 = new Point3D(-1 + sx, -1 + sy, 0);
+        var p1 = new Point3D(1 - sx, -1 + sy, 0);
+        var p2 = new Point3D(1 - sx, 1 - sy, 0);
+        var p3 = new Point3D(-1 + sx, 1 - sy, 0);
+
+        return CreateMeshGeometry(p0, p1, p2, p3);
+    }
+
+    private double GetAngleByPos(int index) => Math.Sign(Index - index) * -90;
+
+    private double GetXByPos(int index) => Index * Interval + Math.Sign(Index - index) * 1.5;
+
+    private double GetZByPos(int index) => Index == index ? 1 : 0;
+
+    /// <summary>
+    ///     移动
+    /// </summary>
+    internal void Move(int currentIndex)
+    {
+        _rotation3D.BeginAnimation(AxisAngleRotation3D.AngleProperty,
+            AnimationHelper.CreateAnimation(GetAngleByPos(currentIndex), AnimationSpeed));
+        _transform3D.BeginAnimation(TranslateTransform3D.OffsetXProperty,
+            AnimationHelper.CreateAnimation(GetXByPos(currentIndex), AnimationSpeed));
+        _transform3D.BeginAnimation(TranslateTransform3D.OffsetZProperty,
+            AnimationHelper.CreateAnimation(GetZByPos(currentIndex), AnimationSpeed));
+    }
+
+    /// <summary>
+    ///     命中测试
+    /// </summary>
+    /// <param name="mesh"></param>
+    /// <returns></returns>
+    internal bool HitTest(MeshGeometry3D mesh)
+    {
+        foreach (var item in _model3DGroup.Children)
+        {
+            if (item is GeometryModel3D geometryModel3D)
             {
-                if (item is GeometryModel3D geometryModel3D)
+                if (Equals(geometryModel3D.Geometry, mesh))
                 {
-                    if (Equals(geometryModel3D.Geometry, mesh))
-                    {
-                        return true;
-                    }
+                    return true;
                 }
             }
-            return false;
         }
+        return false;
     }
 }

src/Shared/HandyControl_Shared/Controls/Cover/CoverView/CoverView.cs

@@ -6,413 +6,417 @@ using System.Windows.Data;
 using HandyControl.Data;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class CoverView : RegularItemsControl
 {
-    public class CoverView : RegularItemsControl
+    private readonly CoverViewContent _viewContent;
+
+    private CoverViewItem _selectedItem;
+
+    private IEnumerable _itemsSourceInternal;
+
+    private readonly Dictionary<object, CoverViewItem> _entryDic = new();
+
+    private bool _isRefresh;
+
+    public CoverView()
     {
-        private readonly CoverViewContent _viewContent;
+        _viewContent = new CoverViewContent();
 
-        private CoverViewItem _selectedItem;
+        AddHandler(SelectableItem.SelectedEvent, new RoutedEventHandler(CoverViewItem_OnSelected));
+        _viewContent.SetBinding(CoverViewContent.ContentHeightProperty, new Binding(ItemContentHeightProperty.Name) { Source = this });
+        _viewContent.SetBinding(WidthProperty, new Binding(ActualWidthProperty.Name) { Source = this });
+    }
 
-        private IEnumerable _itemsSourceInternal;
-
-        private readonly Dictionary<object, CoverViewItem> _entryDic = new();
-
-        private bool _isRefresh;
-
-        public CoverView()
+    private void CoverViewItem_OnSelected(object sender, RoutedEventArgs e)
+    {
+        if (e.OriginalSource is CoverViewItem item)
         {
-            _viewContent = new CoverViewContent();
-
-            AddHandler(SelectableItem.SelectedEvent, new RoutedEventHandler(CoverViewItem_OnSelected));
-            _viewContent.SetBinding(CoverViewContent.ContentHeightProperty, new Binding(ItemContentHeightProperty.Name) { Source = this });
-            _viewContent.SetBinding(WidthProperty, new Binding(ActualWidthProperty.Name) { Source = this });
-        }
-
-        private void CoverViewItem_OnSelected(object sender, RoutedEventArgs e)
-        {
-            if (e.OriginalSource is CoverViewItem item)
+            if (_selectedItem == null)
             {
-                if (_selectedItem == null)
-                {
-                    item.IsSelected = true;
-                    _selectedItem = item;
-                    if (_viewContent != null)
-                    {
-                        _viewContent.Content = item.Content;
-                        _viewContent.ContentTemplate = ItemTemplate;
-                        UpdateCoverViewContent(true);
-                    }
-
-                    return;
-                }
-
-                if (!Equals(_selectedItem, item))
-                {
-                    _selectedItem.IsSelected = false;
-                    item.IsSelected = true;
-                    _selectedItem = item;
-                    if (_viewContent != null)
-                    {
-                        _viewContent.Content = item.Content;
-                        UpdateCoverViewContent(true);
-                    }
-
-                    return;
-                }
-
+                item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
+                _selectedItem = item;
                 if (_viewContent != null)
                 {
-                    _viewContent.Content = null;
-                    _viewContent.ContentTemplate = null;
-                    UpdateCoverViewContent(false);
+                    _viewContent.Content = item.Content;
+                    _viewContent.ContentTemplate = ItemTemplate;
+                    UpdateCoverViewContent(true);
                 }
-                _selectedItem.IsSelected = false;
-                _selectedItem = null;
-            }
-        }
 
-        public override void OnApplyTemplate()
-        {
-            base.OnApplyTemplate();
-
-            _viewContent.Style ??= CoverViewContentStyle;
-
-            if (_selectedItem != null)
-            {
-                UpdateCoverViewContent(_selectedItem != null);
-            }
-        }
-
-        protected override DependencyObject GetContainerForItemOverride() => new CoverViewItem();
-
-        private void SetBindingForItem(FrameworkElement item)
-        {
-            item.SetBinding(MarginProperty, new Binding(ItemMarginProperty.Name) { Source = this });
-            item.SetBinding(WidthProperty, new Binding(ItemWidthProperty.Name) { Source = this });
-            item.SetBinding(HeightProperty, new Binding(ItemHeightProperty.Name) { Source = this });
-            item.SetBinding(HeaderedSelectableItem.HeaderTemplateProperty, new Binding(ItemHeaderTemplateProperty.Name) { Source = this });
-        }
-
-        protected override bool IsItemItsOwnContainerOverride(object item) => item is CoverViewItem;
-
-        public static readonly DependencyProperty CoverViewContentStyleProperty = DependencyProperty.Register(
-            "CoverViewContentStyle", typeof(Style), typeof(CoverView), new PropertyMetadata(default(Style)));
-
-        public Style CoverViewContentStyle
-        {
-            get => (Style) GetValue(CoverViewContentStyleProperty);
-            set => SetValue(CoverViewContentStyleProperty, value);
-        }
-
-        internal static readonly DependencyProperty GroupsProperty = DependencyProperty.Register(
-            "Groups", typeof(int), typeof(CoverView),
-            new FrameworkPropertyMetadata(ValueBoxes.Int5Box, FrameworkPropertyMetadataOptions.AffectsMeasure,
-                OnGroupsChanged), IsGroupsValid);
-
-        internal static void OnGroupsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is CoverView ctl)
-            {
-                ctl.UpdateCoverViewContent(ctl._viewContent.IsOpen);
-            }
-        }
-
-        private static bool IsGroupsValid(object value)
-        {
-            var v = (int) value;
-            return v >= 1;
-        }
-
-        public int Groups
-        {
-            get => (int) GetValue(GroupsProperty);
-            set => SetValue(GroupsProperty, value);
-        }
-
-        public static readonly DependencyProperty ItemContentHeightProperty = DependencyProperty.Register(
-            "ItemContentHeight", typeof(double), typeof(CoverView), new PropertyMetadata(ValueBoxes.Double300Box),
-            ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
-
-        public double ItemContentHeight
-        {
-            get => (double) GetValue(ItemContentHeightProperty);
-            set => SetValue(ItemContentHeightProperty, value);
-        }
-
-        public static readonly DependencyProperty ItemContentHeightFixedProperty = DependencyProperty.Register(
-            "ItemContentHeightFixed", typeof(bool), typeof(CoverView), new PropertyMetadata(ValueBoxes.TrueBox));
-
-        public bool ItemContentHeightFixed
-        {
-            get => (bool) GetValue(ItemContentHeightFixedProperty);
-            set => SetValue(ItemContentHeightFixedProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty ItemHeaderTemplateProperty = DependencyProperty.Register(
-            "ItemHeaderTemplate", typeof(DataTemplate), typeof(CoverView), new PropertyMetadata(default(DataTemplate)));
-
-        public DataTemplate ItemHeaderTemplate
-        {
-            get => (DataTemplate) GetValue(ItemHeaderTemplateProperty);
-            set => SetValue(ItemHeaderTemplateProperty, value);
-        }
-
-        protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
-        {
-            base.OnRenderSizeChanged(sizeInfo);
-
-            Groups = (int) (sizeInfo.NewSize.Width / (ItemWidth + ItemMargin.Left + ItemMargin.Right));
-        }
-
-        protected override void Refresh()
-        {
-            if (ItemsHost == null) return;
-
-            _entryDic.Clear();
-            _isRefresh = true;
-
-            foreach (var item in Items)
-            {
-                AddItem(item);
+                return;
             }
 
-            _isRefresh = false;
-            GenerateIndex();
-            UpdateCoverViewContent(_viewContent.IsOpen);
-        }
-
-        /// <summary>
-        ///     更新内容视图
-        /// </summary>
-        private void UpdateCoverViewContent(bool isOpen)
-        {
-            if (_selectedItem == null) return;
-
-            ItemsHost.Children.Remove(_viewContent);
-
-            if (!ItemContentHeightFixed)
+            if (!Equals(_selectedItem, item))
             {
-                _viewContent.ManualHeight = 0;
-                if (_viewContent.Content is FrameworkElement element)
+                _selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
+                item.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.TrueBox);
+                _selectedItem = item;
+                if (_viewContent != null)
                 {
-                    element.VerticalAlignment = VerticalAlignment.Top;
-                    element.Arrange(new Rect(new Size(double.MaxValue, double.MaxValue)));
-                    _viewContent.ManualHeight = element.ActualHeight;
+                    _viewContent.Content = item.Content;
+                    UpdateCoverViewContent(true);
                 }
+
+                return;
             }
 
-            UpdateCoverViewContentPosition();
-            if (_viewContent.CanSwitch)
+            if (_viewContent != null)
             {
-                _viewContent.IsOpen = isOpen;
+                _viewContent.Content = null;
+                _viewContent.ContentTemplate = null;
+                UpdateCoverViewContent(false);
+            }
+            _selectedItem.SetCurrentValue(SelectableItem.IsSelectedProperty, ValueBoxes.FalseBox);
+            _selectedItem = null;
+        }
+    }
+
+    public override void OnApplyTemplate()
+    {
+        base.OnApplyTemplate();
+
+        _viewContent.Style ??= CoverViewContentStyle;
+
+        if (_selectedItem != null)
+        {
+            UpdateCoverViewContent(_selectedItem != null);
+        }
+    }
+
+    protected override DependencyObject GetContainerForItemOverride() => new CoverViewItem();
+
+    private void SetBindingForItem(FrameworkElement item)
+    {
+        item.SetBinding(MarginProperty, new Binding(ItemMarginProperty.Name) { Source = this });
+        item.SetBinding(WidthProperty, new Binding(ItemWidthProperty.Name) { Source = this });
+        item.SetBinding(HeightProperty, new Binding(ItemHeightProperty.Name) { Source = this });
+        item.SetBinding(HeaderedSelectableItem.HeaderTemplateProperty, new Binding(ItemHeaderTemplateProperty.Name) { Source = this });
+    }
+
+    protected override bool IsItemItsOwnContainerOverride(object item) => item is CoverViewItem;
+
+    public static readonly DependencyProperty CoverViewContentStyleProperty = DependencyProperty.Register(
+        "CoverViewContentStyle", typeof(Style), typeof(CoverView), new PropertyMetadata(default(Style)));
+
+    public Style CoverViewContentStyle
+    {
+        get => (Style) GetValue(CoverViewContentStyleProperty);
+        set => SetValue(CoverViewContentStyleProperty, value);
+    }
+
+    internal static readonly DependencyProperty GroupsProperty = DependencyProperty.Register(
+        "Groups", typeof(int), typeof(CoverView),
+        new FrameworkPropertyMetadata(ValueBoxes.Int5Box, FrameworkPropertyMetadataOptions.AffectsMeasure,
+            OnGroupsChanged, CoerceGroups));
+
+    private static object CoerceGroups(DependencyObject d, object basevalue)
+    {
+        return (int) basevalue < 1 ? 1 : basevalue;
+    }
+
+    internal static void OnGroupsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is CoverView ctl)
+        {
+            ctl.UpdateCoverViewContent(ctl._viewContent.IsOpen);
+        }
+    }
+
+    public int Groups
+    {
+        get => (int) GetValue(GroupsProperty);
+        set => SetValue(GroupsProperty, value);
+    }
+
+    public static readonly DependencyProperty ItemContentHeightProperty = DependencyProperty.Register(
+        "ItemContentHeight", typeof(double), typeof(CoverView), new PropertyMetadata(ValueBoxes.Double300Box),
+        ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
+
+    public double ItemContentHeight
+    {
+        get => (double) GetValue(ItemContentHeightProperty);
+        set => SetValue(ItemContentHeightProperty, value);
+    }
+
+    public static readonly DependencyProperty ItemContentHeightFixedProperty = DependencyProperty.Register(
+        "ItemContentHeightFixed", typeof(bool), typeof(CoverView), new PropertyMetadata(ValueBoxes.TrueBox));
+
+    public bool ItemContentHeightFixed
+    {
+        get => (bool) GetValue(ItemContentHeightFixedProperty);
+        set => SetValue(ItemContentHeightFixedProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty ItemHeaderTemplateProperty = DependencyProperty.Register(
+        "ItemHeaderTemplate", typeof(DataTemplate), typeof(CoverView), new PropertyMetadata(default(DataTemplate)));
+
+    public DataTemplate ItemHeaderTemplate
+    {
+        get => (DataTemplate) GetValue(ItemHeaderTemplateProperty);
+        set => SetValue(ItemHeaderTemplateProperty, value);
+    }
+
+    protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
+    {
+        base.OnRenderSizeChanged(sizeInfo);
+
+        Groups = (int) (sizeInfo.NewSize.Width / (ItemWidth + ItemMargin.Left + ItemMargin.Right));
+    }
+
+    protected override void Refresh()
+    {
+        if (ItemsHost == null) return;
+
+        _entryDic.Clear();
+        _isRefresh = true;
+
+        foreach (var item in Items)
+        {
+            AddItem(item);
+        }
+
+        _isRefresh = false;
+        GenerateIndex();
+        UpdateCoverViewContent(_viewContent.IsOpen);
+    }
+
+    /// <summary>
+    ///     更新内容视图
+    /// </summary>
+    private void UpdateCoverViewContent(bool isOpen)
+    {
+        if (_selectedItem == null) return;
+
+        ItemsHost.Children.Remove(_viewContent);
+
+        if (!ItemContentHeightFixed)
+        {
+            _viewContent.ManualHeight = 0;
+            if (_viewContent.Content is FrameworkElement element)
+            {
+                element.VerticalAlignment = VerticalAlignment.Top;
+                element.Arrange(new Rect(new Size(double.MaxValue, double.MaxValue)));
+                _viewContent.ManualHeight = element.ActualHeight;
             }
         }
 
-        /// <summary>
-        ///     更新内容视图位置
-        /// </summary>
-        private void UpdateCoverViewContentPosition()
+        UpdateCoverViewContentPosition();
+        if (_viewContent.CanSwitch)
         {
-            if (_viewContent.Parent != null)
-            {
-                ItemsHost.Children.Remove(_viewContent);
-            }
-            var total = _entryDic.Count + 1;
-            var totalRow = total / Groups + (total % Groups > 0 ? 1 : 0);
-            if (total <= Groups)
+            _viewContent.IsOpen = isOpen;
+        }
+    }
+
+    /// <summary>
+    ///     更新内容视图位置
+    /// </summary>
+    private void UpdateCoverViewContentPosition()
+    {
+        if (_viewContent.Parent != null)
+        {
+            ItemsHost.Children.Remove(_viewContent);
+        }
+
+        if (_selectedItem == null)
+        {
+            return;
+        }
+
+        var total = _entryDic.Count + 1;
+        var totalRow = total / Groups + (total % Groups > 0 ? 1 : 0);
+        if (total <= Groups)
+        {
+            ItemsHost.Children.Add(_viewContent);
+        }
+        else
+        {
+            var row = _selectedItem.Index / Groups + 1;
+            if (row == totalRow)
             {
                 ItemsHost.Children.Add(_viewContent);
             }
             else
             {
-                var row = _selectedItem.Index / Groups + 1;
-                if (row == totalRow)
-                {
-                    ItemsHost.Children.Add(_viewContent);
-                }
-                else
-                {
-                    ItemsHost.Children.Insert(row * Groups, _viewContent);
-                }
-            }
-
-            _viewContent.UpdatePosition(_selectedItem.Index, Groups, _selectedItem.DesiredSize.Width);
-        }
-
-        protected override void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
-        {
-            if (_itemsSourceInternal != null)
-            {
-                if (_itemsSourceInternal is INotifyCollectionChanged s)
-                {
-                    s.CollectionChanged -= InternalCollectionChanged;
-                }
-
-                Items.Clear();
-                ClearItems();
-            }
-            _itemsSourceInternal = newValue;
-            if (_itemsSourceInternal != null)
-            {
-                if (_itemsSourceInternal is INotifyCollectionChanged s)
-                {
-                    s.CollectionChanged += InternalCollectionChanged;
-                }
-                foreach (var item in _itemsSourceInternal)
-                {
-                    AddItem(item);
-                }
-            }
-
-            if (ItemsHost != null)
-            {
-                GenerateIndex();
+                ItemsHost.Children.Insert(row * Groups, _viewContent);
             }
         }
 
-        private void ClearItems()
-        {
-            _selectedItem = null;
-            _viewContent.Content = null;
-            _viewContent.ContentTemplate = null;
+        _viewContent.UpdatePosition(_selectedItem.Index, Groups, _selectedItem.DesiredSize.Width);
+    }
 
-            if (ItemsHost != null)
+    protected override void OnItemsSourceChanged(IEnumerable oldValue, IEnumerable newValue)
+    {
+        if (_itemsSourceInternal != null)
+        {
+            if (_itemsSourceInternal is INotifyCollectionChanged s)
             {
-                ItemsHost.Children.Remove(_viewContent);
-                ItemsHost.Children.Clear();
+                s.CollectionChanged -= InternalCollectionChanged;
             }
 
-            _entryDic.Clear();
+            Items.Clear();
+            ClearItems();
+        }
+        _itemsSourceInternal = newValue;
+        if (_itemsSourceInternal != null)
+        {
+            if (_itemsSourceInternal is INotifyCollectionChanged s)
+            {
+                s.CollectionChanged += InternalCollectionChanged;
+            }
+            foreach (var item in _itemsSourceInternal)
+            {
+                AddItem(item);
+            }
         }
 
-        private void RemoveItem(object item)
+        if (ItemsHost != null)
         {
-            if (_entryDic.TryGetValue(item, out var entry))
+            GenerateIndex();
+        }
+    }
+
+    private void ClearItems()
+    {
+        _selectedItem = null;
+        _viewContent.Content = null;
+        _viewContent.ContentTemplate = null;
+
+        if (ItemsHost != null)
+        {
+            ItemsHost.Children.Remove(_viewContent);
+            ItemsHost.Children.Clear();
+        }
+
+        _entryDic.Clear();
+    }
+
+    private void RemoveItem(object item)
+    {
+        if (_entryDic.TryGetValue(item, out var entry))
+        {
+            if (ReferenceEquals(entry, _selectedItem))
             {
-                if (ReferenceEquals(entry, _selectedItem))
+                _selectedItem = null;
+                if (_viewContent != null)
                 {
-                    _selectedItem = null;
-                    if (_viewContent != null)
-                    {
-                        _viewContent.Content = null;
-                        _viewContent.IsOpen = false;
-                        ItemsHost.Children.Remove(_viewContent);
-                    }
+                    _viewContent.Content = null;
+                    _viewContent.IsOpen = false;
+                    ItemsHost.Children.Remove(_viewContent);
                 }
-
-                ItemsHost.Children.Remove(entry);
-                Items.Remove(item);
-                _entryDic.Remove(item);
             }
+
+            ItemsHost.Children.Remove(entry);
+            Items.Remove(item);
+            _entryDic.Remove(item);
         }
+    }
 
-        private void AddItem(object item) => InsertItem(_entryDic.Count, item);
+    private void AddItem(object item) => InsertItem(_entryDic.Count, item);
 
-        private void InsertItem(int index, object item)
+    private void InsertItem(int index, object item)
+    {
+        if (ItemsHost == null)
         {
-            if (ItemsHost == null)
+            Items.Insert(index, item);
+            _entryDic.Add(item, null);
+        }
+        else
+        {
+            DependencyObject container;
+            if (IsItemItsOwnContainerOverride(item))
             {
-                Items.Insert(index, item);
-                _entryDic.Add(item, null);
+                container = item as DependencyObject;
             }
             else
             {
-                DependencyObject container;
-                if (IsItemItsOwnContainerOverride(item))
-                {
-                    container = item as DependencyObject;
-                }
-                else
-                {
-                    container = GetContainerForItemOverride();
-                    PrepareContainerForItemOverride(container, item);
-                }
-
-                if (container is CoverViewItem element)
-                {
-                    SetBindingForItem(element);
-                    element.Style = ItemContainerStyle;
-                    element.Header ??= item;
-                    _entryDic[item] = element;
-                    ItemsHost.Children.Insert(index, element);
-
-                    if (IsLoaded && !_isRefresh && _itemsSourceInternal != null)
-                    {
-                        Items.Insert(index, item);
-                    }
-                }
+                container = GetContainerForItemOverride();
+                PrepareContainerForItemOverride(container, item);
             }
-        }
 
-        /// <summary>
-        ///     生成序号
-        /// </summary>
-        private void GenerateIndex()
-        {
-            var index = 0;
-            foreach (var item in _entryDic.Values)
+            if (container is CoverViewItem element)
             {
-                item.Index = index++;
-            }
-        }
+                SetBindingForItem(element);
+                element.Style = ItemContainerStyle;
+                element.Header ??= item;
+                _entryDic[item] = element;
+                ItemsHost.Children.Insert(index, element);
 
-        private void InternalCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
-        {
-            if (ItemsHost == null) return;
-
-            if (e.Action == NotifyCollectionChangedAction.Reset)
-            {
-                if (_entryDic.Count == 0) return;
-                ClearItems();
-                Items.Clear();
-                return;
-            }
-
-            if (e.OldItems != null)
-            {
-                foreach (var item in e.OldItems)
+                if (IsLoaded && !_isRefresh && _itemsSourceInternal != null)
                 {
-                    RemoveItem(item);
+                    Items.Insert(index, item);
                 }
             }
-            if (e.NewItems != null)
-            {
-                if (_viewContent.IsOpen)
-                {
-                    ItemsHost.Children.Remove(_viewContent);
-                }
-
-                var count = 0;
-                foreach (var item in e.NewItems)
-                {
-                    var index = e.NewStartingIndex + count++;
-                    InsertItem(index, item);
-                }
-            }
-
-            GenerateIndex();
-            if (_viewContent.IsOpen)
-            {
-                UpdateCoverViewContentPosition();
-            }
-        }
-
-        protected override void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
-        {
-            if (_itemsSourceInternal != null) return;
-
-            InternalCollectionChanged(sender, e);
-        }
-
-        protected override void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e)
-        {
-
-        }
-
-        protected override void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e)
-        {
-
         }
     }
+
+    /// <summary>
+    ///     生成序号
+    /// </summary>
+    private void GenerateIndex()
+    {
+        var index = 0;
+        foreach (var item in _entryDic.Values)
+        {
+            item.Index = index++;
+        }
+    }
+
+    private void InternalCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
+    {
+        if (ItemsHost == null) return;
+
+        if (e.Action == NotifyCollectionChangedAction.Reset)
+        {
+            if (_entryDic.Count == 0) return;
+            ClearItems();
+            Items.Clear();
+            return;
+        }
+
+        if (e.OldItems != null)
+        {
+            foreach (var item in e.OldItems)
+            {
+                RemoveItem(item);
+            }
+        }
+        if (e.NewItems != null)
+        {
+            if (_viewContent.IsOpen)
+            {
+                ItemsHost.Children.Remove(_viewContent);
+            }
+
+            var count = 0;
+            foreach (var item in e.NewItems)
+            {
+                var index = e.NewStartingIndex + count++;
+                InsertItem(index, item);
+            }
+        }
+
+        GenerateIndex();
+        if (_viewContent.IsOpen)
+        {
+            UpdateCoverViewContentPosition();
+        }
+    }
+
+    protected override void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
+    {
+        if (_itemsSourceInternal != null) return;
+
+        InternalCollectionChanged(sender, e);
+    }
+
+    protected override void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e)
+    {
+
+    }
+
+    protected override void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e)
+    {
+
+    }
 }

src/Shared/HandyControl_Shared/Controls/Cover/CoverView/CoverViewContent.cs

@@ -5,118 +5,117 @@ using HandyControl.Expression.Drawing;
 using HandyControl.Tools;
 using HandyControl.Tools.Extension;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[TemplatePart(Name = ElementTriangle, Type = typeof(FrameworkElement))]
+[TemplatePart(Name = ElementContent, Type = typeof(FrameworkElement))]
+public class CoverViewContent : ContentControl
 {
-    [TemplatePart(Name = ElementTriangle, Type = typeof(FrameworkElement))]
-    [TemplatePart(Name = ElementContent, Type = typeof(FrameworkElement))]
-    internal class CoverViewContent : ContentControl
+    private const string ElementTriangle = "PART_Triangle";
+
+    private const string ElementContent = "PART_Content";
+
+    private FrameworkElement _triangle;
+
+    private FrameworkElement _content;
+
+    internal bool WaitForUpdate { get; set; }
+
+    private int _index;
+
+    private int _groups;
+
+    private double _itemWidth;
+
+    internal bool CanSwitch { get; set; } = true;
+
+    private bool _isOpen;
+
+    internal bool IsOpen
     {
-        private const string ElementTriangle = "PART_Triangle";
-
-        private const string ElementContent = "PART_Content";
-
-        private FrameworkElement _triangle;
-
-        private FrameworkElement _content;
-
-        internal bool WaitForUpdate { get; set; }
-
-        private int _index;
-
-        private int _groups;
-
-        private double _itemWidth;
-
-        internal bool CanSwitch { get; set; } = true;
-
-        private bool _isOpen;
-
-        internal bool IsOpen
+        get => _isOpen;
+        set
         {
-            get => _isOpen;
-            set
-            {
-                if (_isOpen == value) return;
-                _isOpen = value;
-                OpenSwitch(value);
-            }
-        }
-
-        internal static readonly DependencyProperty ManualHeightProperty = DependencyProperty.Register(
-            "ManualHeight", typeof(double), typeof(CoverViewContent), new PropertyMetadata(ValueBoxes.Double0Box), ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
-
-        internal double ManualHeight
-        {
-            get => (double) GetValue(ManualHeightProperty);
-            set => SetValue(ManualHeightProperty, value);
-        }
-
-        public static readonly DependencyProperty ContentHeightProperty = DependencyProperty.Register(
-            "ContentHeight", typeof(double), typeof(CoverViewContent), new PropertyMetadata(ValueBoxes.Double300Box),
-            ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
-
-        public double ContentHeight
-        {
-            get => (double) GetValue(ContentHeightProperty);
-            set => SetValue(ContentHeightProperty, value);
-        }
-
-        public override void OnApplyTemplate()
-        {
-            base.OnApplyTemplate();
-
-            _triangle = GetTemplateChild(ElementTriangle) as FrameworkElement;
-            _content = GetTemplateChild(ElementContent) as FrameworkElement;
-
-            if (WaitForUpdate)
-            {
-                _triangle.BeginAnimation(MarginProperty, AnimationHelper.CreateAnimation(new Thickness((_index % _groups + .5) * _itemWidth - _triangle.Width / 2, 0, 0, 0)));
-                OpenSwitch(_isOpen);
-                WaitForUpdate = false;
-            }
-        }
-
-        internal void UpdatePosition(int index, int groups, double itemWidth)
-        {
-            if (_triangle == null)
-            {
-                _index = index;
-                _groups = groups;
-                _itemWidth = itemWidth;
-                WaitForUpdate = true;
-                return;
-            }
-            _triangle.BeginAnimation(MarginProperty, AnimationHelper.CreateAnimation(new Thickness((index % groups + .5) * itemWidth - _triangle.Width / 2, 0, 0, 0)));
-            if (IsOpen)
-            {
-                if (ManualHeight > 0 && !MathHelper.AreClose(ManualHeight, ContentHeight))
-                {
-                    _content.BeginAnimation(HeightProperty, AnimationHelper.CreateAnimation(ManualHeight));
-                }
-                else
-                {
-                    _content.BeginAnimation(HeightProperty, AnimationHelper.CreateAnimation(ContentHeight));
-                }
-            }
-        }
-
-        private void OpenSwitch(bool isOpen)
-        {
-            if (_content == null) return;
-            var animation = AnimationHelper.CreateAnimation(isOpen ? ManualHeight > 0 ? ManualHeight : ContentHeight : 0);
-            _triangle.Show(false);
-            this.Show(true);
-            animation.Completed += (s, e) =>
-            {
-                CanSwitch = true;
-                this.Show(IsOpen);
-                if (IsOpen)
-                {
-                    _triangle.Show(true);
-                }
-            };
-            CanSwitch = false;
-            _content.BeginAnimation(HeightProperty, animation);
+            if (_isOpen == value) return;
+            _isOpen = value;
+            OpenSwitch(value);
         }
     }
+
+    internal static readonly DependencyProperty ManualHeightProperty = DependencyProperty.Register(
+        "ManualHeight", typeof(double), typeof(CoverViewContent), new PropertyMetadata(ValueBoxes.Double0Box), ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
+
+    internal double ManualHeight
+    {
+        get => (double) GetValue(ManualHeightProperty);
+        set => SetValue(ManualHeightProperty, value);
+    }
+
+    public static readonly DependencyProperty ContentHeightProperty = DependencyProperty.Register(
+        "ContentHeight", typeof(double), typeof(CoverViewContent), new PropertyMetadata(ValueBoxes.Double300Box),
+        ValidateHelper.IsInRangeOfPosDoubleIncludeZero);
+
+    public double ContentHeight
+    {
+        get => (double) GetValue(ContentHeightProperty);
+        set => SetValue(ContentHeightProperty, value);
+    }
+
+    public override void OnApplyTemplate()
+    {
+        base.OnApplyTemplate();
+
+        _triangle = GetTemplateChild(ElementTriangle) as FrameworkElement;
+        _content = GetTemplateChild(ElementContent) as FrameworkElement;
+
+        if (WaitForUpdate)
+        {
+            _triangle.BeginAnimation(MarginProperty, AnimationHelper.CreateAnimation(new Thickness((_index % _groups + .5) * _itemWidth - _triangle.Width / 2, 0, 0, 0)));
+            OpenSwitch(_isOpen);
+            WaitForUpdate = false;
+        }
+    }
+
+    internal void UpdatePosition(int index, int groups, double itemWidth)
+    {
+        if (_triangle == null)
+        {
+            _index = index;
+            _groups = groups;
+            _itemWidth = itemWidth;
+            WaitForUpdate = true;
+            return;
+        }
+        _triangle.BeginAnimation(MarginProperty, AnimationHelper.CreateAnimation(new Thickness((index % groups + .5) * itemWidth - _triangle.Width / 2, 0, 0, 0)));
+        if (IsOpen)
+        {
+            if (ManualHeight > 0 && !MathHelper.AreClose(ManualHeight, ContentHeight))
+            {
+                _content.BeginAnimation(HeightProperty, AnimationHelper.CreateAnimation(ManualHeight));
+            }
+            else
+            {
+                _content.BeginAnimation(HeightProperty, AnimationHelper.CreateAnimation(ContentHeight));
+            }
+        }
+    }
+
+    private void OpenSwitch(bool isOpen)
+    {
+        if (_content == null) return;
+        var animation = AnimationHelper.CreateAnimation(isOpen ? ManualHeight > 0 ? ManualHeight : ContentHeight : 0);
+        _triangle.Show(false);
+        this.Show(true);
+        animation.Completed += (s, e) =>
+        {
+            CanSwitch = true;
+            this.Show(IsOpen);
+            if (IsOpen)
+            {
+                _triangle.Show(true);
+            }
+        };
+        CanSwitch = false;
+        _content.BeginAnimation(HeightProperty, animation);
+    }
 }

src/Shared/HandyControl_Shared/Controls/Cover/CoverView/CoverViewItem.cs

@@ -1,7 +1,6 @@
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class CoverViewItem : HeaderedSelectableItem
 {
-    public class CoverViewItem : HeaderedSelectableItem
-    {
-        internal int Index { get; set; }
-    }
+    internal int Index { get; set; }
 }

src/Shared/HandyControl_Shared/Controls/Dialog/Dialog.cs

@@ -8,168 +8,167 @@ using HandyControl.Data;
 using HandyControl.Interactivity;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class Dialog : ContentControl
 {
-    public class Dialog : ContentControl
+    private string _token;
+
+    private AdornerContainer _container;
+
+    private static readonly Dictionary<string, FrameworkElement> ContainerDic = new();
+
+    public static readonly DependencyProperty IsClosedProperty = DependencyProperty.Register(
+        "IsClosed", typeof(bool), typeof(Dialog), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool IsClosed
     {
-        private string _token;
+        get => (bool) GetValue(IsClosedProperty);
+        internal set => SetValue(IsClosedProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        private AdornerContainer _container;
+    public static readonly DependencyProperty TokenProperty = DependencyProperty.RegisterAttached(
+        "Token", typeof(string), typeof(Dialog), new PropertyMetadata(default(string), OnTokenChanged));
 
-        private static readonly Dictionary<string, FrameworkElement> ContainerDic = new();
-
-        public static readonly DependencyProperty IsClosedProperty = DependencyProperty.Register(
-            "IsClosed", typeof(bool), typeof(Dialog), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool IsClosed
+    private static void OnTokenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is FrameworkElement element)
         {
-            get => (bool) GetValue(IsClosedProperty);
-            internal set => SetValue(IsClosedProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty TokenProperty = DependencyProperty.RegisterAttached(
-            "Token", typeof(string), typeof(Dialog), new PropertyMetadata(default(string), OnTokenChanged));
-
-        private static void OnTokenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is FrameworkElement element)
+            if (e.NewValue == null)
             {
-                if (e.NewValue == null)
-                {
-                    Unregister(element);
-                }
-                else
-                {
-                    Register(e.NewValue.ToString(), element);
-                }
+                Unregister(element);
+            }
+            else
+            {
+                Register(e.NewValue.ToString(), element);
             }
         }
+    }
 
-        public static void SetToken(DependencyObject element, string value)
-            => element.SetValue(TokenProperty, value);
+    public static void SetToken(DependencyObject element, string value)
+        => element.SetValue(TokenProperty, value);
 
-        public static string GetToken(DependencyObject element)
-            => (string) element.GetValue(TokenProperty);
+    public static string GetToken(DependencyObject element)
+        => (string) element.GetValue(TokenProperty);
 
-        public Dialog()
+    public Dialog()
+    {
+        CommandBindings.Add(new CommandBinding(ControlCommands.Close, (s, e) => Close()));
+    }
+
+    public static void Register(string token, FrameworkElement element)
+    {
+        if (string.IsNullOrEmpty(token) || element == null) return;
+        ContainerDic[token] = element;
+    }
+
+    public static void Unregister(string token, FrameworkElement element)
+    {
+        if (string.IsNullOrEmpty(token) || element == null) return;
+
+        if (ContainerDic.ContainsKey(token))
         {
-            CommandBindings.Add(new CommandBinding(ControlCommands.Close, (s, e) => Close()));
-        }
-
-        public static void Register(string token, FrameworkElement element)
-        {
-            if (string.IsNullOrEmpty(token) || element == null) return;
-            ContainerDic[token] = element;
-        }
-
-        public static void Unregister(string token, FrameworkElement element)
-        {
-            if (string.IsNullOrEmpty(token) || element == null) return;
-
-            if (ContainerDic.ContainsKey(token))
-            {
-                if (ReferenceEquals(ContainerDic[token], element))
-                {
-                    ContainerDic.Remove(token);
-                }
-            }
-        }
-
-        public static void Unregister(FrameworkElement element)
-        {
-            if (element == null) return;
-            var first = ContainerDic.FirstOrDefault(item => ReferenceEquals(element, item.Value));
-            if (!string.IsNullOrEmpty(first.Key))
-            {
-                ContainerDic.Remove(first.Key);
-            }
-        }
-
-        public static void Unregister(string token)
-        {
-            if (string.IsNullOrEmpty(token)) return;
-
-            if (ContainerDic.ContainsKey(token))
+            if (ReferenceEquals(ContainerDic[token], element))
             {
                 ContainerDic.Remove(token);
             }
         }
+    }
 
-        public static Dialog Show<T>(string token = "") where T : new() => Show(new T(), token);
-
-        public static Dialog Show(object content, string token = "")
+    public static void Unregister(FrameworkElement element)
+    {
+        if (element == null) return;
+        var first = ContainerDic.FirstOrDefault(item => ReferenceEquals(element, item.Value));
+        if (!string.IsNullOrEmpty(first.Key))
         {
-            var dialog = new Dialog
-            {
-                _token = token,
-                Content = content
-            };
+            ContainerDic.Remove(first.Key);
+        }
+    }
 
-            FrameworkElement element;
+    public static void Unregister(string token)
+    {
+        if (string.IsNullOrEmpty(token)) return;
 
-            AdornerDecorator decorator;
-            if (string.IsNullOrEmpty(token))
+        if (ContainerDic.ContainsKey(token))
+        {
+            ContainerDic.Remove(token);
+        }
+    }
+
+    public static Dialog Show<T>(string token = "") where T : new() => Show(new T(), token);
+
+    public static Dialog Show(object content, string token = "")
+    {
+        var dialog = new Dialog
+        {
+            _token = token,
+            Content = content
+        };
+
+        FrameworkElement element;
+
+        AdornerDecorator decorator;
+        if (string.IsNullOrEmpty(token))
+        {
+            element = WindowHelper.GetActiveWindow();
+            decorator = VisualHelper.GetChild<AdornerDecorator>(element);
+        }
+        else
+        {
+            ContainerDic.TryGetValue(token, out element);
+            decorator = element is System.Windows.Window ?
+                VisualHelper.GetChild<AdornerDecorator>(element) :
+                VisualHelper.GetChild<DialogContainer>(element);
+        }
+
+        if (decorator != null)
+        {
+            if (decorator.Child != null)
             {
-                element = WindowHelper.GetActiveWindow();
-                decorator = VisualHelper.GetChild<AdornerDecorator>(element);
+                decorator.Child.IsEnabled = false;
             }
-            else
+            var layer = decorator.AdornerLayer;
+            if (layer != null)
             {
-                ContainerDic.TryGetValue(token, out element);
-                decorator = element is System.Windows.Window ?
-                    VisualHelper.GetChild<AdornerDecorator>(element) :
-                    VisualHelper.GetChild<DialogContainer>(element);
+                var container = new AdornerContainer(layer)
+                {
+                    Child = dialog
+                };
+                dialog._container = container;
+                dialog.IsClosed = false;
+                layer.Add(container);
             }
+        }
 
+        return dialog;
+    }
+
+    public void Close()
+    {
+        if (string.IsNullOrEmpty(_token))
+        {
+            Close(WindowHelper.GetActiveWindow());
+        }
+        else if (ContainerDic.TryGetValue(_token, out var element))
+        {
+            Close(element);
+        }
+    }
+
+    private void Close(DependencyObject element)
+    {
+        if (element != null && _container != null)
+        {
+            var decorator = VisualHelper.GetChild<AdornerDecorator>(element);
             if (decorator != null)
             {
                 if (decorator.Child != null)
                 {
-                    decorator.Child.IsEnabled = false;
+                    decorator.Child.IsEnabled = true;
                 }
                 var layer = decorator.AdornerLayer;
-                if (layer != null)
-                {
-                    var container = new AdornerContainer(layer)
-                    {
-                        Child = dialog
-                    };
-                    dialog._container = container;
-                    dialog.IsClosed = false;
-                    layer.Add(container);
-                }
-            }
-
-            return dialog;
-        }
-
-        public void Close()
-        {
-            if (string.IsNullOrEmpty(_token))
-            {
-                Close(WindowHelper.GetActiveWindow());
-            }
-            else if (ContainerDic.TryGetValue(_token, out var element))
-            {
-                Close(element);
-            }
-        }
-
-        private void Close(DependencyObject element)
-        {
-            if (element != null && _container != null)
-            {
-                var decorator = VisualHelper.GetChild<AdornerDecorator>(element);
-                if (decorator != null)
-                {
-                    if (decorator.Child != null)
-                    {
-                        decorator.Child.IsEnabled = true;
-                    }
-                    var layer = decorator.AdornerLayer;
-                    layer?.Remove(_container);
-                    IsClosed = true;
-                }
+                layer?.Remove(_container);
+                IsClosed = true;
             }
         }
     }

src/Shared/HandyControl_Shared/Controls/Dialog/DialogContainer.cs

@@ -1,9 +1,8 @@
 using System.Windows.Documents;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class DialogContainer : AdornerDecorator
 {
-    public class DialogContainer : AdornerDecorator
-    {
 
-    }
 }

src/Shared/HandyControl_Shared/Controls/Drawer/Drawer.cs

@@ -11,419 +11,418 @@ using HandyControl.Data;
 using HandyControl.Interactivity;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[ContentProperty("Content")]
+public class Drawer : FrameworkElement
 {
-    [ContentProperty("Content")]
-    public class Drawer : FrameworkElement
+    private Storyboard _storyboard;
+
+    private AdornerContainer _container;
+
+    private ContentControl _animationControl;
+
+    private TranslateTransform _translateTransform;
+
+    private double _animationLength;
+
+    private string _animationPropertyName;
+
+    private FrameworkElement _maskElement;
+
+    private AdornerLayer _layer;
+
+    private UIElement _contentElement;
+
+    private Point _contentRenderTransformOrigin;
+
+    static Drawer()
     {
-        private Storyboard _storyboard;
+        DataContextProperty.OverrideMetadata(typeof(Drawer), new FrameworkPropertyMetadata(DataContextPropertyChanged));
+    }
 
-        private AdornerContainer _container;
+    public Drawer()
+    {
+        Loaded += Drawer_Loaded;
+        Unloaded += Drawer_Unloaded;
+    }
 
-        private ContentControl _animationControl;
-
-        private TranslateTransform _translateTransform;
-
-        private double _animationLength;
-
-        private string _animationPropertyName;
-
-        private FrameworkElement _maskElement;
-
-        private AdornerLayer _layer;
-
-        private UIElement _contentElement;
-
-        private Point _contentRenderTransformOrigin;
-
-        static Drawer()
+    private void Drawer_Loaded(object sender, RoutedEventArgs e)
+    {
+        if (IsOpen)
         {
-            DataContextProperty.OverrideMetadata(typeof(Drawer), new FrameworkPropertyMetadata(DataContextPropertyChanged));
+            OnIsOpenChanged(true);
+        }
+    }
+
+    private void Drawer_Unloaded(object sender, RoutedEventArgs e)
+    {
+        Loaded -= Drawer_Loaded;
+
+        if (_maskElement != null)
+        {
+            _maskElement.PreviewMouseLeftButtonDown -= MaskElement_PreviewMouseLeftButtonDown;
         }
 
-        public Drawer()
+        if (_storyboard != null)
         {
-            Loaded += Drawer_Loaded;
-            Unloaded += Drawer_Unloaded;
+            _storyboard.Completed -= Storyboard_Completed;
         }
 
-        private void Drawer_Loaded(object sender, RoutedEventArgs e)
+        _container = null;
+    }
+
+    private static void DataContextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) =>
+        ((Drawer) d).OnDataContextPropertyChanged(e);
+
+    private void OnDataContextPropertyChanged(DependencyPropertyChangedEventArgs e) => UpdateDataContext(_animationControl, e.OldValue, e.NewValue);
+
+    public static readonly RoutedEvent OpenedEvent =
+        EventManager.RegisterRoutedEvent("Opened", RoutingStrategy.Bubble,
+            typeof(RoutedEventHandler), typeof(Drawer));
+
+    public event RoutedEventHandler Opened
+    {
+        add => AddHandler(OpenedEvent, value);
+        remove => RemoveHandler(OpenedEvent, value);
+    }
+
+    public static readonly RoutedEvent ClosedEvent =
+        EventManager.RegisterRoutedEvent("Closed", RoutingStrategy.Bubble,
+            typeof(RoutedEventHandler), typeof(Drawer));
+
+    public event RoutedEventHandler Closed
+    {
+        add => AddHandler(ClosedEvent, value);
+        remove => RemoveHandler(ClosedEvent, value);
+    }
+
+    public static readonly DependencyProperty IsOpenProperty = DependencyProperty.Register(
+        "IsOpen", typeof(bool), typeof(Drawer), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, OnIsOpenChanged));
+
+    private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (Drawer) d;
+        ctl.OnIsOpenChanged((bool) e.NewValue);
+    }
+
+    public bool IsOpen
+    {
+        get => (bool) GetValue(IsOpenProperty);
+        set => SetValue(IsOpenProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty MaskCanCloseProperty = DependencyProperty.Register(
+        "MaskCanClose", typeof(bool), typeof(Drawer), new PropertyMetadata(ValueBoxes.TrueBox));
+
+    public bool MaskCanClose
+    {
+        get => (bool) GetValue(MaskCanCloseProperty);
+        set => SetValue(MaskCanCloseProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty ShowMaskProperty = DependencyProperty.Register(
+        "ShowMask", typeof(bool), typeof(Drawer), new PropertyMetadata(ValueBoxes.TrueBox));
+
+    public bool ShowMask
+    {
+        get => (bool) GetValue(ShowMaskProperty);
+        set => SetValue(ShowMaskProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty DockProperty = DependencyProperty.Register(
+        "Dock", typeof(Dock), typeof(Drawer), new PropertyMetadata(default(Dock)));
+
+    public Dock Dock
+    {
+        get => (Dock) GetValue(DockProperty);
+        set => SetValue(DockProperty, value);
+    }
+
+    public static readonly DependencyProperty ShowModeProperty = DependencyProperty.Register(
+        "ShowMode", typeof(DrawerShowMode), typeof(Drawer), new PropertyMetadata(default(DrawerShowMode)));
+
+    public DrawerShowMode ShowMode
+    {
+        get => (DrawerShowMode) GetValue(ShowModeProperty);
+        set => SetValue(ShowModeProperty, value);
+    }
+
+    public static readonly DependencyProperty MaskBrushProperty = DependencyProperty.Register(
+        "MaskBrush", typeof(Brush), typeof(Drawer), new PropertyMetadata(default(Brush)));
+
+    public Brush MaskBrush
+    {
+        get => (Brush) GetValue(MaskBrushProperty);
+        set => SetValue(MaskBrushProperty, value);
+    }
+
+    public static readonly DependencyProperty ContentProperty = DependencyProperty.Register(
+        "Content", typeof(object), typeof(Drawer), new PropertyMetadata(default(object)));
+
+    public object Content
+    {
+        get => GetValue(ContentProperty);
+        set => SetValue(ContentProperty, value);
+    }
+
+    private void CreateContainer()
+    {
+        _storyboard = new Storyboard();
+        _storyboard.Completed += Storyboard_Completed;
+
+        _translateTransform = new TranslateTransform();
+        _animationControl = new ContentControl
         {
-            if (IsOpen)
+            Content = Content,
+            RenderTransform = _translateTransform,
+            DataContext = this
+        };
+
+        var panel = new SimplePanel
+        {
+            ClipToBounds = true
+        };
+
+        if (ShowMask)
+        {
+            _maskElement = new Border
             {
-                OnIsOpenChanged(true);
-            }
+                Background = MaskBrush,
+                Opacity = 0
+            };
+            _maskElement.PreviewMouseLeftButtonDown += MaskElement_PreviewMouseLeftButtonDown;
+            panel.Children.Add(_maskElement);
         }
 
-        private void Drawer_Unloaded(object sender, RoutedEventArgs e)
-        {
-            Loaded -= Drawer_Loaded;
+        _animationControl.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
+        var size = _animationControl.DesiredSize;
 
+        switch (Dock)
+        {
+            case Dock.Left:
+                _animationControl.HorizontalAlignment = HorizontalAlignment.Left;
+                _animationControl.VerticalAlignment = VerticalAlignment.Stretch;
+                _translateTransform.X = -size.Width;
+                _animationLength = -size.Width;
+                _animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.X)";
+                break;
+            case Dock.Top:
+                _animationControl.HorizontalAlignment = HorizontalAlignment.Stretch;
+                _animationControl.VerticalAlignment = VerticalAlignment.Top;
+                _translateTransform.Y = -size.Height;
+                _animationLength = -size.Height;
+                _animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.Y)";
+                break;
+            case Dock.Right:
+                _animationControl.HorizontalAlignment = HorizontalAlignment.Right;
+                _animationControl.VerticalAlignment = VerticalAlignment.Stretch;
+                _translateTransform.X = size.Width;
+                _animationLength = size.Width;
+                _animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.X)";
+                break;
+            case Dock.Bottom:
+                _animationControl.HorizontalAlignment = HorizontalAlignment.Stretch;
+                _animationControl.VerticalAlignment = VerticalAlignment.Bottom;
+                _translateTransform.Y = size.Height;
+                _animationLength = size.Height;
+                _animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.Y)";
+                break;
+            default:
+                throw new ArgumentOutOfRangeException();
+        }
+
+        _animationControl.DataContext = DataContext;
+        _animationControl.CommandBindings.Clear();
+        _animationControl.CommandBindings.Add(new CommandBinding(ControlCommands.Close, (s, e) => SetCurrentValue(IsOpenProperty, ValueBoxes.FalseBox)));
+        panel.Children.Add(_animationControl);
+        _container = new AdornerContainer(_layer)
+        {
+            Child = panel,
+            ClipToBounds = true
+        };
+    }
+
+    private void Storyboard_Completed(object sender, EventArgs e)
+    {
+        if (!IsOpen)
+        {
+            _contentElement.SetCurrentValue(RenderTransformOriginProperty, _contentRenderTransformOrigin);
+            _layer.Remove(_container);
+            RaiseEvent(new RoutedEventArgs(ClosedEvent, this));
+        }
+        else
+        {
+            RaiseEvent(new RoutedEventArgs(OpenedEvent, this));
+        }
+    }
+
+    private void OnIsOpenChanged(bool isOpen)
+    {
+        if (Content == null || DesignerHelper.IsInDesignMode)
+        {
+            return;
+        }
+
+        AdornerDecorator decorator;
+        var parent = VisualHelper.GetParent<DrawerContainer>(this);
+        if (parent != null)
+        {
+            _contentElement = parent.Child;
+            decorator = parent;
+        }
+        else
+        {
+            var window = WindowHelper.GetActiveWindow();
+            if (window == null)
+            {
+                return;
+            }
+
+            decorator = VisualHelper.GetChild<AdornerDecorator>(window);
+            _contentElement = window.Content as UIElement;
+        }
+
+        if (_contentElement == null)
+        {
+            return;
+        }
+
+        _layer = decorator?.AdornerLayer;
+        if (_layer == null)
+        {
+            return;
+        }
+
+        _contentRenderTransformOrigin = _contentElement.RenderTransformOrigin;
+
+        if (_container == null)
+        {
+            CreateContainer();
+        }
+
+        switch (ShowMode)
+        {
+            case DrawerShowMode.Push:
+                ShowByPush(isOpen);
+                break;
+            case DrawerShowMode.Press:
+                _contentElement.SetCurrentValue(RenderTransformOriginProperty, new Point(0.5, 0.5));
+                ShowByPress(isOpen);
+                break;
+        }
+
+        if (isOpen)
+        {
             if (_maskElement != null)
             {
-                _maskElement.PreviewMouseLeftButtonDown -= MaskElement_PreviewMouseLeftButtonDown;
+                var maskAnimation = AnimationHelper.CreateAnimation(1);
+                Storyboard.SetTarget(maskAnimation, _maskElement);
+                Storyboard.SetTargetProperty(maskAnimation, new PropertyPath(OpacityProperty.Name));
+                _storyboard.Children.Add(maskAnimation);
             }
 
-            if (_storyboard != null)
+            var drawerAnimation = AnimationHelper.CreateAnimation(0);
+            Storyboard.SetTarget(drawerAnimation, _animationControl);
+            Storyboard.SetTargetProperty(drawerAnimation, new PropertyPath(_animationPropertyName));
+            _storyboard.Children.Add(drawerAnimation);
+            _layer.Remove(_container);
+            _layer.Add(_container);
+        }
+        else
+        {
+            if (_maskElement != null)
             {
-                _storyboard.Completed -= Storyboard_Completed;
+                var maskAnimation = AnimationHelper.CreateAnimation(0);
+                Storyboard.SetTarget(maskAnimation, _maskElement);
+                Storyboard.SetTargetProperty(maskAnimation, new PropertyPath(OpacityProperty.Name));
+                _storyboard.Children.Add(maskAnimation);
             }
 
-            _container = null;
+            var drawerAnimation = AnimationHelper.CreateAnimation(_animationLength);
+            Storyboard.SetTarget(drawerAnimation, _animationControl);
+            Storyboard.SetTargetProperty(drawerAnimation, new PropertyPath(_animationPropertyName));
+            _storyboard.Children.Add(drawerAnimation);
         }
+        _storyboard.Begin();
+    }
 
-        private static void DataContextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) =>
-            ((Drawer) d).OnDataContextPropertyChanged(e);
+    private void ShowByPush(bool isOpen)
+    {
+        string animationPropertyName;
 
-        private void OnDataContextPropertyChanged(DependencyPropertyChangedEventArgs e) => UpdateDataContext(_animationControl, e.OldValue, e.NewValue);
-
-        public static readonly RoutedEvent OpenedEvent =
-            EventManager.RegisterRoutedEvent("Opened", RoutingStrategy.Bubble,
-                typeof(RoutedEventHandler), typeof(Drawer));
-
-        public event RoutedEventHandler Opened
+        switch (Dock)
         {
-            add => AddHandler(OpenedEvent, value);
-            remove => RemoveHandler(OpenedEvent, value);
-        }
-
-        public static readonly RoutedEvent ClosedEvent =
-            EventManager.RegisterRoutedEvent("Closed", RoutingStrategy.Bubble,
-                typeof(RoutedEventHandler), typeof(Drawer));
-
-        public event RoutedEventHandler Closed
-        {
-            add => AddHandler(ClosedEvent, value);
-            remove => RemoveHandler(ClosedEvent, value);
-        }
-
-        public static readonly DependencyProperty IsOpenProperty = DependencyProperty.Register(
-            "IsOpen", typeof(bool), typeof(Drawer), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, OnIsOpenChanged));
-
-        private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (Drawer) d;
-            ctl.OnIsOpenChanged((bool) e.NewValue);
-        }
-
-        public bool IsOpen
-        {
-            get => (bool) GetValue(IsOpenProperty);
-            set => SetValue(IsOpenProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty MaskCanCloseProperty = DependencyProperty.Register(
-            "MaskCanClose", typeof(bool), typeof(Drawer), new PropertyMetadata(ValueBoxes.TrueBox));
-
-        public bool MaskCanClose
-        {
-            get => (bool) GetValue(MaskCanCloseProperty);
-            set => SetValue(MaskCanCloseProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty ShowMaskProperty = DependencyProperty.Register(
-            "ShowMask", typeof(bool), typeof(Drawer), new PropertyMetadata(ValueBoxes.TrueBox));
-
-        public bool ShowMask
-        {
-            get => (bool) GetValue(ShowMaskProperty);
-            set => SetValue(ShowMaskProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty DockProperty = DependencyProperty.Register(
-            "Dock", typeof(Dock), typeof(Drawer), new PropertyMetadata(default(Dock)));
-
-        public Dock Dock
-        {
-            get => (Dock) GetValue(DockProperty);
-            set => SetValue(DockProperty, value);
-        }
-
-        public static readonly DependencyProperty ShowModeProperty = DependencyProperty.Register(
-            "ShowMode", typeof(DrawerShowMode), typeof(Drawer), new PropertyMetadata(default(DrawerShowMode)));
-
-        public DrawerShowMode ShowMode
-        {
-            get => (DrawerShowMode) GetValue(ShowModeProperty);
-            set => SetValue(ShowModeProperty, value);
-        }
-
-        public static readonly DependencyProperty MaskBrushProperty = DependencyProperty.Register(
-            "MaskBrush", typeof(Brush), typeof(Drawer), new PropertyMetadata(default(Brush)));
-
-        public Brush MaskBrush
-        {
-            get => (Brush) GetValue(MaskBrushProperty);
-            set => SetValue(MaskBrushProperty, value);
-        }
-
-        public static readonly DependencyProperty ContentProperty = DependencyProperty.Register(
-            "Content", typeof(object), typeof(Drawer), new PropertyMetadata(default(object)));
-
-        public object Content
-        {
-            get => GetValue(ContentProperty);
-            set => SetValue(ContentProperty, value);
-        }
-
-        private void CreateContainer()
-        {
-            _storyboard = new Storyboard();
-            _storyboard.Completed += Storyboard_Completed;
-
-            _translateTransform = new TranslateTransform();
-            _animationControl = new ContentControl
-            {
-                Content = Content,
-                RenderTransform = _translateTransform,
-                DataContext = this
-            };
-
-            var panel = new SimplePanel
-            {
-                ClipToBounds = true
-            };
-
-            if (ShowMask)
-            {
-                _maskElement = new Border
+            case Dock.Left:
+            case Dock.Right:
+                animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.X)";
+                _contentElement.RenderTransform = new TranslateTransform
                 {
-                    Background = MaskBrush,
-                    Opacity = 0
+                    X = isOpen ? 0 : -_animationLength
                 };
-                _maskElement.PreviewMouseLeftButtonDown += MaskElement_PreviewMouseLeftButtonDown;
-                panel.Children.Add(_maskElement);
-            }
-
-            _animationControl.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
-            var size = _animationControl.DesiredSize;
-
-            switch (Dock)
-            {
-                case Dock.Left:
-                    _animationControl.HorizontalAlignment = HorizontalAlignment.Left;
-                    _animationControl.VerticalAlignment = VerticalAlignment.Stretch;
-                    _translateTransform.X = -size.Width;
-                    _animationLength = -size.Width;
-                    _animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.X)";
-                    break;
-                case Dock.Top:
-                    _animationControl.HorizontalAlignment = HorizontalAlignment.Stretch;
-                    _animationControl.VerticalAlignment = VerticalAlignment.Top;
-                    _translateTransform.Y = -size.Height;
-                    _animationLength = -size.Height;
-                    _animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.Y)";
-                    break;
-                case Dock.Right:
-                    _animationControl.HorizontalAlignment = HorizontalAlignment.Right;
-                    _animationControl.VerticalAlignment = VerticalAlignment.Stretch;
-                    _translateTransform.X = size.Width;
-                    _animationLength = size.Width;
-                    _animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.X)";
-                    break;
-                case Dock.Bottom:
-                    _animationControl.HorizontalAlignment = HorizontalAlignment.Stretch;
-                    _animationControl.VerticalAlignment = VerticalAlignment.Bottom;
-                    _translateTransform.Y = size.Height;
-                    _animationLength = size.Height;
-                    _animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.Y)";
-                    break;
-                default:
-                    throw new ArgumentOutOfRangeException();
-            }
-
-            _animationControl.DataContext = DataContext;
-            _animationControl.CommandBindings.Clear();
-            _animationControl.CommandBindings.Add(new CommandBinding(ControlCommands.Close, (s, e) => SetCurrentValue(IsOpenProperty, ValueBoxes.FalseBox)));
-            panel.Children.Add(_animationControl);
-            _container = new AdornerContainer(_layer)
-            {
-                Child = panel,
-                ClipToBounds = true
-            };
-        }
-
-        private void Storyboard_Completed(object sender, EventArgs e)
-        {
-            if (!IsOpen)
-            {
-                _contentElement.SetCurrentValue(RenderTransformOriginProperty, _contentRenderTransformOrigin);
-                _layer.Remove(_container);
-                RaiseEvent(new RoutedEventArgs(ClosedEvent, this));
-            }
-            else
-            {
-                RaiseEvent(new RoutedEventArgs(OpenedEvent, this));
-            }
-        }
-
-        private void OnIsOpenChanged(bool isOpen)
-        {
-            if (Content == null || DesignerHelper.IsInDesignMode)
-            {
-                return;
-            }
-
-            AdornerDecorator decorator;
-            var parent = VisualHelper.GetParent<DrawerContainer>(this);
-            if (parent != null)
-            {
-                _contentElement = parent.Child;
-                decorator = parent;
-            }
-            else
-            {
-                var window = WindowHelper.GetActiveWindow();
-                if (window == null)
+                break;
+            case Dock.Top:
+            case Dock.Bottom:
+                animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.Y)";
+                _contentElement.RenderTransform = new TranslateTransform
                 {
-                    return;
-                }
-
-                decorator = VisualHelper.GetChild<AdornerDecorator>(window);
-                _contentElement = window.Content as UIElement;
-            }
-
-            if (_contentElement == null)
-            {
-                return;
-            }
-
-            _layer = decorator?.AdornerLayer;
-            if (_layer == null)
-            {
-                return;
-            }
-
-            _contentRenderTransformOrigin = _contentElement.RenderTransformOrigin;
-
-            if (_container == null)
-            {
-                CreateContainer();
-            }
-
-            switch (ShowMode)
-            {
-                case DrawerShowMode.Push:
-                    ShowByPush(isOpen);
-                    break;
-                case DrawerShowMode.Press:
-                    _contentElement.SetCurrentValue(RenderTransformOriginProperty, new Point(0.5, 0.5));
-                    ShowByPress(isOpen);
-                    break;
-            }
-
-            if (isOpen)
-            {
-                if (_maskElement != null)
-                {
-                    var maskAnimation = AnimationHelper.CreateAnimation(1);
-                    Storyboard.SetTarget(maskAnimation, _maskElement);
-                    Storyboard.SetTargetProperty(maskAnimation, new PropertyPath(OpacityProperty.Name));
-                    _storyboard.Children.Add(maskAnimation);
-                }
-
-                var drawerAnimation = AnimationHelper.CreateAnimation(0);
-                Storyboard.SetTarget(drawerAnimation, _animationControl);
-                Storyboard.SetTargetProperty(drawerAnimation, new PropertyPath(_animationPropertyName));
-                _storyboard.Children.Add(drawerAnimation);
-                _layer.Remove(_container);
-                _layer.Add(_container);
-            }
-            else
-            {
-                if (_maskElement != null)
-                {
-                    var maskAnimation = AnimationHelper.CreateAnimation(0);
-                    Storyboard.SetTarget(maskAnimation, _maskElement);
-                    Storyboard.SetTargetProperty(maskAnimation, new PropertyPath(OpacityProperty.Name));
-                    _storyboard.Children.Add(maskAnimation);
-                }
-
-                var drawerAnimation = AnimationHelper.CreateAnimation(_animationLength);
-                Storyboard.SetTarget(drawerAnimation, _animationControl);
-                Storyboard.SetTargetProperty(drawerAnimation, new PropertyPath(_animationPropertyName));
-                _storyboard.Children.Add(drawerAnimation);
-            }
-            _storyboard.Begin();
-        }
-
-        private void ShowByPush(bool isOpen)
-        {
-            string animationPropertyName;
-
-            switch (Dock)
-            {
-                case Dock.Left:
-                case Dock.Right:
-                    animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.X)";
-                    _contentElement.RenderTransform = new TranslateTransform
-                    {
-                        X = isOpen ? 0 : -_animationLength
-                    };
-                    break;
-                case Dock.Top:
-                case Dock.Bottom:
-                    animationPropertyName = "(UIElement.RenderTransform).(TranslateTransform.Y)";
-                    _contentElement.RenderTransform = new TranslateTransform
-                    {
-                        Y = isOpen ? 0 : -_animationLength
-                    };
-                    break;
-                default:
-                    throw new ArgumentOutOfRangeException();
-            }
-
-            var animation = isOpen
-                ? AnimationHelper.CreateAnimation(-_animationLength)
-                : AnimationHelper.CreateAnimation(0);
-            Storyboard.SetTarget(animation, _contentElement);
-            Storyboard.SetTargetProperty(animation, new PropertyPath(animationPropertyName));
-
-            _storyboard.Children.Add(animation);
-        }
-
-        private void ShowByPress(bool isOpen)
-        {
-            _contentElement.RenderTransform = isOpen
-                ? new ScaleTransform()
-                : new ScaleTransform
-                {
-                    ScaleX = 0.9,
-                    ScaleY = 0.9
+                    Y = isOpen ? 0 : -_animationLength
                 };
-
-            var animationX = isOpen
-                ? AnimationHelper.CreateAnimation(.9)
-                : AnimationHelper.CreateAnimation(1);
-            Storyboard.SetTarget(animationX, _contentElement);
-            Storyboard.SetTargetProperty(animationX, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleX)"));
-
-            _storyboard.Children.Add(animationX);
-
-            var animationY = isOpen
-                ? AnimationHelper.CreateAnimation(.9)
-                : AnimationHelper.CreateAnimation(1);
-            Storyboard.SetTarget(animationY, _contentElement);
-            Storyboard.SetTargetProperty(animationY, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleY)"));
-
-            _storyboard.Children.Add(animationY);
+                break;
+            default:
+                throw new ArgumentOutOfRangeException();
         }
 
-        private void MaskElement_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
-        {
-            if (MaskCanClose)
-            {
-                SetCurrentValue(IsOpenProperty, ValueBoxes.FalseBox);
-            }
-        }
+        var animation = isOpen
+            ? AnimationHelper.CreateAnimation(-_animationLength)
+            : AnimationHelper.CreateAnimation(0);
+        Storyboard.SetTarget(animation, _contentElement);
+        Storyboard.SetTargetProperty(animation, new PropertyPath(animationPropertyName));
 
-        private void UpdateDataContext(FrameworkElement target, object oldValue, object newValue)
-        {
-            if (target == null || BindingOperations.GetBindingExpression(target, DataContextProperty) != null) return;
-            if (ReferenceEquals(this, target.DataContext) || Equals(oldValue, target.DataContext))
+        _storyboard.Children.Add(animation);
+    }
+
+    private void ShowByPress(bool isOpen)
+    {
+        _contentElement.RenderTransform = isOpen
+            ? new ScaleTransform()
+            : new ScaleTransform
             {
-                target.DataContext = newValue ?? this;
-            }
+                ScaleX = 0.9,
+                ScaleY = 0.9
+            };
+
+        var animationX = isOpen
+            ? AnimationHelper.CreateAnimation(.9)
+            : AnimationHelper.CreateAnimation(1);
+        Storyboard.SetTarget(animationX, _contentElement);
+        Storyboard.SetTargetProperty(animationX, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleX)"));
+
+        _storyboard.Children.Add(animationX);
+
+        var animationY = isOpen
+            ? AnimationHelper.CreateAnimation(.9)
+            : AnimationHelper.CreateAnimation(1);
+        Storyboard.SetTarget(animationY, _contentElement);
+        Storyboard.SetTargetProperty(animationY, new PropertyPath("(UIElement.RenderTransform).(ScaleTransform.ScaleY)"));
+
+        _storyboard.Children.Add(animationY);
+    }
+
+    private void MaskElement_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+    {
+        if (MaskCanClose)
+        {
+            SetCurrentValue(IsOpenProperty, ValueBoxes.FalseBox);
+        }
+    }
+
+    private void UpdateDataContext(FrameworkElement target, object oldValue, object newValue)
+    {
+        if (target == null || BindingOperations.GetBindingExpression(target, DataContextProperty) != null) return;
+        if (ReferenceEquals(this, target.DataContext) || Equals(oldValue, target.DataContext))
+        {
+            target.DataContext = newValue ?? this;
         }
     }
 }

src/Shared/HandyControl_Shared/Controls/Drawer/DrawerContainer.cs

@@ -1,9 +1,8 @@
 using System.Windows.Documents;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class DrawerContainer : AdornerDecorator
 {
-    public class DrawerContainer : AdornerDecorator
-    {
 
-    }
 }

src/Shared/HandyControl_Shared/Controls/Growl/GrowlWindow.cs

@@ -4,39 +4,38 @@ using System.Windows.Controls;
 using HandyControl.Tools;
 using HandyControl.Tools.Interop;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public sealed class GrowlWindow : Window
 {
-    public sealed class GrowlWindow : Window
+    internal Panel GrowlPanel { get; set; }
+
+    internal GrowlWindow()
     {
-        internal Panel GrowlPanel { get; set; }
+        WindowStyle = WindowStyle.None;
+        AllowsTransparency = true;
 
-        internal GrowlWindow()
+        GrowlPanel = new StackPanel
         {
-            WindowStyle = WindowStyle.None;
-            AllowsTransparency = true;
+            VerticalAlignment = VerticalAlignment.Top
+        };
 
-            GrowlPanel = new StackPanel
-            {
-                VerticalAlignment = VerticalAlignment.Top
-            };
-
-            Content = new ScrollViewer
-            {
-                VerticalScrollBarVisibility = ScrollBarVisibility.Hidden,
-                IsInertiaEnabled = true,
-                Content = GrowlPanel
-            };
-        }
-
-        internal void Init()
+        Content = new ScrollViewer
         {
-            var desktopWorkingArea = SystemParameters.WorkArea;
-            Height = desktopWorkingArea.Height;
-            Left = desktopWorkingArea.Right - Width;
-            Top = 0;
-        }
-
-        protected override void OnSourceInitialized(EventArgs e)
-            => InteropMethods.IntDestroyMenu(this.GetHwndSource().CreateHandleRef());
+            VerticalScrollBarVisibility = ScrollBarVisibility.Hidden,
+            IsInertiaEnabled = true,
+            Content = GrowlPanel
+        };
     }
+
+    internal void Init()
+    {
+        var desktopWorkingArea = SystemParameters.WorkArea;
+        Height = desktopWorkingArea.Height;
+        Left = desktopWorkingArea.Right - Width;
+        Top = 0;
+    }
+
+    protected override void OnSourceInitialized(EventArgs e)
+        => InteropMethods.IntDestroyMenu(this.GetHwndSource().CreateHandleRef());
 }

src/Shared/HandyControl_Shared/Controls/Image/GifImage.cs

@@ -15,504 +15,503 @@ using HandyControl.Data;
 using HandyControl.Tools;
 using HandyControl.Tools.Interop;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class GifImage : Image, IDisposable
 {
-    public class GifImage : Image, IDisposable
+    private static readonly Guid GifGuid = new("{b96b3caa-0728-11d3-9d7b-0000f81ef32e}");
+
+    private static readonly Guid GifSingleFrameGuid = new("{b96b3cb0-0728-11d3-9d7b-0000f81ef32e}");
+
+    internal IntPtr NativeImage;
+
+    private byte[] _rawData;
+
+    private bool _isStart;
+
+    private bool _isLoaded;
+
+    static GifImage()
     {
-        private static readonly Guid GifGuid = new("{b96b3caa-0728-11d3-9d7b-0000f81ef32e}");
+        VisibilityProperty.OverrideMetadata(typeof(GifImage), new PropertyMetadata(default(Visibility), OnVisibilityChanged));
+    }
 
-        private static readonly Guid GifSingleFrameGuid = new("{b96b3cb0-0728-11d3-9d7b-0000f81ef32e}");
+    public static readonly DependencyProperty UriProperty = DependencyProperty.Register(
+        "Uri", typeof(Uri), typeof(GifImage), new PropertyMetadata(default(Uri), OnUriChanged));
 
-        internal IntPtr NativeImage;
+    private static void OnUriChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (GifImage) d;
+        ctl.StopAnimate();
 
-        private byte[] _rawData;
-
-        private bool _isStart;
-
-        private bool _isLoaded;
-
-        static GifImage()
+        if (e.NewValue != null)
         {
-            VisibilityProperty.OverrideMetadata(typeof(GifImage), new PropertyMetadata(default(Visibility), OnVisibilityChanged));
+            var v = (Uri) e.NewValue;
+            ctl.GetGifStreamFromPack(v);
+            ctl.StartAnimate();
+        }
+        else
+        {
+            ctl.Source = null;
+        }
+    }
+
+    public Uri Uri
+    {
+        get => (Uri) GetValue(UriProperty);
+        set => SetValue(UriProperty, value);
+    }
+
+    private static void OnVisibilityChanged(DependencyObject s, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (GifImage) s;
+        if (ctl.NativeImage == IntPtr.Zero) return;
+
+        var v = (Visibility) e.NewValue;
+        if (v != Visibility.Visible)
+        {
+            ctl.StopAnimate();
+        }
+        else if (!ctl._isStart)
+        {
+            ctl.StartAnimate();
+        }
+    }
+
+    ~GifImage() => Dispose(false);
+
+    public GifImage()
+    {
+        Loaded += (s, e) =>
+        {
+            if (DesignerProperties.GetIsInDesignMode(this)) return;
+            if (_isLoaded) return;
+            _isLoaded = true;
+            if (Uri != null)
+            {
+                GetGifStreamFromPack(Uri);
+                StartAnimate();
+            }
+            else if (Source is BitmapImage image)
+            {
+                GetGifStreamFromPack(image.UriSource);
+                StartAnimate();
+            }
+        };
+
+        Unloaded += (s, e) => Dispose();
+    }
+
+    public GifImage(string filename)
+    {
+        Source = null;
+        CreateSourceFromFile(filename);
+        StartAnimate();
+    }
+
+    public GifImage(Stream stream)
+    {
+        Source = null;
+        CreateSourceFromStream(stream);
+        StartAnimate();
+    }
+
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    protected virtual void Dispose(bool disposing)
+    {
+        if (NativeImage == IntPtr.Zero) return;
+        try
+        {
+            StopAnimate();
+            InteropMethods.Gdip.GdipDisposeImage(new HandleRef(this, NativeImage));
+        }
+        catch
+        {
+            // ignored
+        }
+        finally
+        {
+            NativeImage = IntPtr.Zero;
+        }
+    }
+
+    private void CreateSourceFromFile(string filename)
+    {
+        filename = Path.GetFullPath(filename);
+
+        var status = InteropMethods.Gdip.GdipCreateBitmapFromFile(filename, out var bitmap);
+
+        if (status != InteropMethods.Gdip.Ok)
+            throw InteropMethods.Gdip.StatusException(status);
+
+        status = InteropMethods.Gdip.GdipImageForceValidation(new HandleRef(null, bitmap));
+
+        if (status != InteropMethods.Gdip.Ok)
+        {
+            InteropMethods.Gdip.GdipDisposeImage(new HandleRef(null, bitmap));
+            throw InteropMethods.Gdip.StatusException(status);
         }
 
-        public static readonly DependencyProperty UriProperty = DependencyProperty.Register(
-            "Uri", typeof(Uri), typeof(GifImage), new PropertyMetadata(default(Uri), OnUriChanged));
+        SetNativeImage(bitmap);
 
-        private static void OnUriChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        EnsureSave(this, filename, null);
+    }
+
+    private void CreateSourceFromStream(Stream stream)
+    {
+        if (stream == null)
+            throw new ArgumentException("stream null");
+
+        var status = InteropMethods.Gdip.GdipCreateBitmapFromStream(new GPStream(stream), out var bitmap);
+
+        if (status != InteropMethods.Gdip.Ok)
+            throw InteropMethods.Gdip.StatusException(status);
+
+        status = InteropMethods.Gdip.GdipImageForceValidation(new HandleRef(null, bitmap));
+
+        if (status != InteropMethods.Gdip.Ok)
         {
-            var ctl = (GifImage) d;
-            ctl.StopAnimate();
+            InteropMethods.Gdip.GdipDisposeImage(new HandleRef(null, bitmap));
+            throw InteropMethods.Gdip.StatusException(status);
+        }
 
-            if (e.NewValue != null)
+        SetNativeImage(bitmap);
+
+        EnsureSave(this, null, stream);
+    }
+
+    private void GetGifStreamFromPack(Uri uri)
+    {
+        try
+        {
+            StreamResourceInfo streamInfo;
+
+            if (!uri.IsAbsoluteUri)
             {
-                var v = (Uri) e.NewValue;
-                ctl.GetGifStreamFromPack(v);
-                ctl.StartAnimate();
+                streamInfo = Application.GetContentStream(uri) ?? Application.GetResourceStream(uri);
             }
             else
             {
-                ctl.Source = null;
-            }
-        }
-
-        public Uri Uri
-        {
-            get => (Uri) GetValue(UriProperty);
-            set => SetValue(UriProperty, value);
-        }
-
-        private static void OnVisibilityChanged(DependencyObject s, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (GifImage) s;
-            if (ctl.NativeImage == IntPtr.Zero) return;
-
-            var v = (Visibility) e.NewValue;
-            if (v != Visibility.Visible)
-            {
-                ctl.StopAnimate();
-            }
-            else if (!ctl._isStart)
-            {
-                ctl.StartAnimate();
-            }
-        }
-
-        ~GifImage() => Dispose(false);
-
-        public GifImage()
-        {
-            Loaded += (s, e) =>
-            {
-                if (DesignerProperties.GetIsInDesignMode(this)) return;
-                if (_isLoaded) return;
-                _isLoaded = true;
-                if (Uri != null)
+                if (uri.GetLeftPart(UriPartial.Authority).Contains("siteoforigin"))
                 {
-                    GetGifStreamFromPack(Uri);
-                    StartAnimate();
-                }
-                else if (Source is BitmapImage image)
-                {
-                    GetGifStreamFromPack(image.UriSource);
-                    StartAnimate();
-                }
-            };
-
-            Unloaded += (s, e) => Dispose();
-        }
-
-        public GifImage(string filename)
-        {
-            Source = null;
-            CreateSourceFromFile(filename);
-            StartAnimate();
-        }
-
-        public GifImage(Stream stream)
-        {
-            Source = null;
-            CreateSourceFromStream(stream);
-            StartAnimate();
-        }
-
-        public void Dispose()
-        {
-            Dispose(true);
-            GC.SuppressFinalize(this);
-        }
-
-        protected virtual void Dispose(bool disposing)
-        {
-            if (NativeImage == IntPtr.Zero) return;
-            try
-            {
-                StopAnimate();
-                InteropMethods.Gdip.GdipDisposeImage(new HandleRef(this, NativeImage));
-            }
-            catch
-            {
-                // ignored
-            }
-            finally
-            {
-                NativeImage = IntPtr.Zero;
-            }
-        }
-
-        private void CreateSourceFromFile(string filename)
-        {
-            filename = Path.GetFullPath(filename);
-
-            var status = InteropMethods.Gdip.GdipCreateBitmapFromFile(filename, out var bitmap);
-
-            if (status != InteropMethods.Gdip.Ok)
-                throw InteropMethods.Gdip.StatusException(status);
-
-            status = InteropMethods.Gdip.GdipImageForceValidation(new HandleRef(null, bitmap));
-
-            if (status != InteropMethods.Gdip.Ok)
-            {
-                InteropMethods.Gdip.GdipDisposeImage(new HandleRef(null, bitmap));
-                throw InteropMethods.Gdip.StatusException(status);
-            }
-
-            SetNativeImage(bitmap);
-
-            EnsureSave(this, filename, null);
-        }
-
-        private void CreateSourceFromStream(Stream stream)
-        {
-            if (stream == null)
-                throw new ArgumentException("stream null");
-
-            var status = InteropMethods.Gdip.GdipCreateBitmapFromStream(new GPStream(stream), out var bitmap);
-
-            if (status != InteropMethods.Gdip.Ok)
-                throw InteropMethods.Gdip.StatusException(status);
-
-            status = InteropMethods.Gdip.GdipImageForceValidation(new HandleRef(null, bitmap));
-
-            if (status != InteropMethods.Gdip.Ok)
-            {
-                InteropMethods.Gdip.GdipDisposeImage(new HandleRef(null, bitmap));
-                throw InteropMethods.Gdip.StatusException(status);
-            }
-
-            SetNativeImage(bitmap);
-
-            EnsureSave(this, null, stream);
-        }
-
-        private void GetGifStreamFromPack(Uri uri)
-        {
-            try
-            {
-                StreamResourceInfo streamInfo;
-
-                if (!uri.IsAbsoluteUri)
-                {
-                    streamInfo = Application.GetContentStream(uri) ?? Application.GetResourceStream(uri);
+                    streamInfo = Application.GetRemoteStream(uri);
                 }
                 else
                 {
-                    if (uri.GetLeftPart(UriPartial.Authority).Contains("siteoforigin"))
-                    {
-                        streamInfo = Application.GetRemoteStream(uri);
-                    }
-                    else
-                    {
-                        streamInfo = Application.GetContentStream(uri) ?? Application.GetResourceStream(uri);
-                    }
-                }
-
-                if (streamInfo == null)
-                {
-                    throw new FileNotFoundException("Resource not found.", uri.ToString());
-                }
-
-                CreateSourceFromStream(streamInfo.Stream);
-            }
-            catch
-            {
-                // ignored
-            }
-        }
-
-        private void SwitchToCommonImage()
-        {
-            if (Source == null && Uri != null)
-            {
-                SetCurrentValue(SourceProperty, new BitmapImage(Uri));
-            }
-        }
-
-        [ResourceExposure(ResourceScope.None)]
-        [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
-        internal static void EnsureSave(GifImage image, string filename, Stream dataStream)
-        {
-            if (!image.RawGuid.Equals(GifGuid) && !image.RawGuid.Equals(GifSingleFrameGuid))
-            {
-                image.SwitchToCommonImage();
-                return;
-            }
-
-            var animatedGif = false;
-            var dimensions = image.FrameDimensionsList;
-            if (dimensions.Select(guid => new GifFrameDimension(guid)).Contains(GifFrameDimension.Time))
-            {
-                animatedGif = image.GetFrameCount(GifFrameDimension.Time) > 1;
-            }
-
-            if (!animatedGif)
-            {
-                image.SwitchToCommonImage();
-                return;
-            }
-
-            try
-            {
-                Stream created = null;
-                long lastPos = 0;
-                if (dataStream != null)
-                {
-                    lastPos = dataStream.Position;
-                    dataStream.Position = 0;
-                }
-
-                try
-                {
-                    if (dataStream == null)
-                    {
-                        created = dataStream = File.OpenRead(filename);
-                    }
-
-                    image._rawData = new byte[(int) dataStream.Length];
-                    dataStream.Read(image._rawData, 0, (int) dataStream.Length);
-                }
-                finally
-                {
-                    if (created != null)
-                    {
-                        created.Close();
-                    }
-                    else
-                    {
-                        // ReSharper disable once PossibleNullReferenceException
-                        dataStream.Position = lastPos;
-                    }
+                    streamInfo = Application.GetContentStream(uri) ?? Application.GetResourceStream(uri);
                 }
             }
-            // possible exceptions for reading the filename
-            catch (UnauthorizedAccessException)
-            {
-            }
-            catch (DirectoryNotFoundException)
-            {
-            }
-            catch (IOException)
-            {
-            }
-            // possible exceptions for setting/getting the position inside dataStream
-            catch (NotSupportedException)
-            {
-            }
-            catch (ObjectDisposedException)
-            {
-            }
-            // possible exception when reading stuff into dataStream
-            catch (ArgumentException)
+
+            if (streamInfo == null)
             {
+                throw new FileNotFoundException("Resource not found.", uri.ToString());
             }
+
+            CreateSourceFromStream(streamInfo.Stream);
         }
-
-        internal void SetNativeImage(IntPtr handle)
+        catch
         {
-            if (handle == IntPtr.Zero)
-                throw new ArgumentException("NativeHandle0");
-
-            NativeImage = handle;
-        }
-
-        internal Guid RawGuid
-        {
-            get
-            {
-                var guid = new Guid();
-
-                var status = InteropMethods.Gdip.GdipGetImageRawFormat(new HandleRef(this, NativeImage), ref guid);
-
-                if (status != InteropMethods.Gdip.Ok)
-                    throw InteropMethods.Gdip.StatusException(status);
-
-                return guid;
-            }
-        }
-
-        internal void StartAnimate()
-        {
-            ImageAnimator.Animate(this, OnFrameChanged);
-            _isStart = true;
-        }
-
-        internal void StopAnimate()
-        {
-            ImageAnimator.StopAnimate(this, OnFrameChanged);
-            _isStart = false;
-        }
-
-        internal Guid[] FrameDimensionsList
-        {
-            get
-            {
-                var status = InteropMethods.Gdip.GdipImageGetFrameDimensionsCount(new HandleRef(this, NativeImage), out var count);
-
-                if (status != InteropMethods.Gdip.Ok)
-                {
-                    throw InteropMethods.Gdip.StatusException(status);
-                }
-
-                if (count <= 0)
-                {
-                    return new Guid[0];
-                }
-
-                var size = Marshal.SizeOf(typeof(Guid));
-
-                var buffer = Marshal.AllocHGlobal(checked(size * count));
-                if (buffer == IntPtr.Zero)
-                {
-                    throw InteropMethods.Gdip.StatusException(InteropMethods.Gdip.OutOfMemory);
-                }
-
-                status = InteropMethods.Gdip.GdipImageGetFrameDimensionsList(new HandleRef(this, NativeImage), buffer, count);
-
-                if (status != InteropMethods.Gdip.Ok)
-                {
-                    Marshal.FreeHGlobal(buffer);
-                    throw InteropMethods.Gdip.StatusException(status);
-                }
-
-                var guids = new Guid[count];
-
-                try
-                {
-                    for (var i = 0; i < count; i++)
-                    {
-                        guids[i] = (Guid) InteropMethods.PtrToStructure((IntPtr) ((long) buffer + size * i), typeof(Guid));
-                    }
-                }
-                finally
-                {
-                    Marshal.FreeHGlobal(buffer);
-                }
-
-                return guids;
-            }
-        }
-
-        internal int GetFrameCount(GifFrameDimension dimension)
-        {
-            var count = new[] { 0 };
-
-            var dimensionId = dimension.Guid;
-            var status = InteropMethods.Gdip.GdipImageGetFrameCount(new HandleRef(this, NativeImage), ref dimensionId, count);
-
-            if (status != InteropMethods.Gdip.Ok)
-                throw InteropMethods.Gdip.StatusException(status);
-
-            return count[0];
-        }
-
-        internal GifPropertyItem GetPropertyItem(int propid)
-        {
-            GifPropertyItem propitem;
-
-            var status = InteropMethods.Gdip.GdipGetPropertyItemSize(new HandleRef(this, NativeImage), propid, out var size);
-
-            if (status != InteropMethods.Gdip.Ok)
-                throw InteropMethods.Gdip.StatusException(status);
-
-            if (size == 0)
-                return null;
-
-            var propdata = Marshal.AllocHGlobal(size);
-
-            if (propdata == IntPtr.Zero)
-                throw InteropMethods.Gdip.StatusException(InteropMethods.Gdip.OutOfMemory);
-
-            status = InteropMethods.Gdip.GdipGetPropertyItem(new HandleRef(this, NativeImage), propid, size, propdata);
-
-            try
-            {
-                if (status != InteropMethods.Gdip.Ok)
-                {
-                    throw InteropMethods.Gdip.StatusException(status);
-                }
-
-                propitem = GifPropertyItemInternal.ConvertFromMemory(propdata, 1)[0];
-            }
-            finally
-            {
-                Marshal.FreeHGlobal(propdata);
-            }
-
-            return propitem;
-        }
-
-        internal int SelectActiveFrame(GifFrameDimension dimension, int frameIndex)
-        {
-            var count = new[] { 0 };
-
-            var dimensionId = dimension.Guid;
-            var status = InteropMethods.Gdip.GdipImageSelectActiveFrame(new HandleRef(this, NativeImage), ref dimensionId, frameIndex);
-
-            if (status != InteropMethods.Gdip.Ok)
-                throw InteropMethods.Gdip.StatusException(status);
-
-            return count[0];
-        }
-
-        [SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
-        [EditorBrowsable(EditorBrowsableState.Advanced)]
-        [ResourceExposure(ResourceScope.Machine)]
-        [ResourceConsumption(ResourceScope.Machine)]
-        internal IntPtr GetHbitmap() => GetHbitmap(Colors.LightGray);
-
-        [SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
-        [EditorBrowsable(EditorBrowsableState.Advanced)]
-        [ResourceExposure(ResourceScope.Machine)]
-        [ResourceConsumption(ResourceScope.Machine)]
-        internal IntPtr GetHbitmap(Color background)
-        {
-            var status = InteropMethods.Gdip.GdipCreateHBITMAPFromBitmap(new HandleRef(this, NativeImage), out var hBitmap,
-                ColorHelper.ToWin32(background));
-            if (status == 2 && (Width >= short.MaxValue || Height >= short.MaxValue))
-            {
-                throw new ArgumentException("GdiplusInvalidSize");
-            }
-
-            if (status != InteropMethods.Gdip.Ok && NativeImage != IntPtr.Zero)
-            {
-                throw InteropMethods.Gdip.StatusException(status);
-            }
-
-            return hBitmap;
-        }
-
-        private void GetBitmapSource()
-        {
-            var handle = IntPtr.Zero;
-
-            try
-            {
-                handle = GetHbitmap();
-                Source = Imaging.CreateBitmapSourceFromHBitmap(handle, IntPtr.Zero, Int32Rect.Empty,
-                    BitmapSizeOptions.FromEmptyOptions());
-            }
-            catch
-            {
-                // ignored
-            }
-            finally
-            {
-                if (handle != IntPtr.Zero)
-                {
-                    InteropMethods.DeleteObject(handle);
-                }
-            }
-        }
-
-        private void OnFrameChanged(object sender, EventArgs e)
-        {
-            Dispatcher.BeginInvoke(new Action(() =>
-            {
-                ImageAnimator.UpdateFrames();
-                Source?.Freeze();
-                GetBitmapSource();
-                InvalidateVisual();
-            }));
+            // ignored
         }
     }
+
+    private void SwitchToCommonImage()
+    {
+        if (Source == null && Uri != null)
+        {
+            SetCurrentValue(SourceProperty, new BitmapImage(Uri));
+        }
+    }
+
+    [ResourceExposure(ResourceScope.None)]
+    [ResourceConsumption(ResourceScope.Machine, ResourceScope.Machine)]
+    internal static void EnsureSave(GifImage image, string filename, Stream dataStream)
+    {
+        if (!image.RawGuid.Equals(GifGuid) && !image.RawGuid.Equals(GifSingleFrameGuid))
+        {
+            image.SwitchToCommonImage();
+            return;
+        }
+
+        var animatedGif = false;
+        var dimensions = image.FrameDimensionsList;
+        if (dimensions.Select(guid => new GifFrameDimension(guid)).Contains(GifFrameDimension.Time))
+        {
+            animatedGif = image.GetFrameCount(GifFrameDimension.Time) > 1;
+        }
+
+        if (!animatedGif)
+        {
+            image.SwitchToCommonImage();
+            return;
+        }
+
+        try
+        {
+            Stream created = null;
+            long lastPos = 0;
+            if (dataStream != null)
+            {
+                lastPos = dataStream.Position;
+                dataStream.Position = 0;
+            }
+
+            try
+            {
+                if (dataStream == null)
+                {
+                    created = dataStream = File.OpenRead(filename);
+                }
+
+                image._rawData = new byte[(int) dataStream.Length];
+                dataStream.Read(image._rawData, 0, (int) dataStream.Length);
+            }
+            finally
+            {
+                if (created != null)
+                {
+                    created.Close();
+                }
+                else
+                {
+                    // ReSharper disable once PossibleNullReferenceException
+                    dataStream.Position = lastPos;
+                }
+            }
+        }
+        // possible exceptions for reading the filename
+        catch (UnauthorizedAccessException)
+        {
+        }
+        catch (DirectoryNotFoundException)
+        {
+        }
+        catch (IOException)
+        {
+        }
+        // possible exceptions for setting/getting the position inside dataStream
+        catch (NotSupportedException)
+        {
+        }
+        catch (ObjectDisposedException)
+        {
+        }
+        // possible exception when reading stuff into dataStream
+        catch (ArgumentException)
+        {
+        }
+    }
+
+    internal void SetNativeImage(IntPtr handle)
+    {
+        if (handle == IntPtr.Zero)
+            throw new ArgumentException("NativeHandle0");
+
+        NativeImage = handle;
+    }
+
+    internal Guid RawGuid
+    {
+        get
+        {
+            var guid = new Guid();
+
+            var status = InteropMethods.Gdip.GdipGetImageRawFormat(new HandleRef(this, NativeImage), ref guid);
+
+            if (status != InteropMethods.Gdip.Ok)
+                throw InteropMethods.Gdip.StatusException(status);
+
+            return guid;
+        }
+    }
+
+    internal void StartAnimate()
+    {
+        ImageAnimator.Animate(this, OnFrameChanged);
+        _isStart = true;
+    }
+
+    internal void StopAnimate()
+    {
+        ImageAnimator.StopAnimate(this, OnFrameChanged);
+        _isStart = false;
+    }
+
+    internal Guid[] FrameDimensionsList
+    {
+        get
+        {
+            var status = InteropMethods.Gdip.GdipImageGetFrameDimensionsCount(new HandleRef(this, NativeImage), out var count);
+
+            if (status != InteropMethods.Gdip.Ok)
+            {
+                throw InteropMethods.Gdip.StatusException(status);
+            }
+
+            if (count <= 0)
+            {
+                return new Guid[0];
+            }
+
+            var size = Marshal.SizeOf(typeof(Guid));
+
+            var buffer = Marshal.AllocHGlobal(checked(size * count));
+            if (buffer == IntPtr.Zero)
+            {
+                throw InteropMethods.Gdip.StatusException(InteropMethods.Gdip.OutOfMemory);
+            }
+
+            status = InteropMethods.Gdip.GdipImageGetFrameDimensionsList(new HandleRef(this, NativeImage), buffer, count);
+
+            if (status != InteropMethods.Gdip.Ok)
+            {
+                Marshal.FreeHGlobal(buffer);
+                throw InteropMethods.Gdip.StatusException(status);
+            }
+
+            var guids = new Guid[count];
+
+            try
+            {
+                for (var i = 0; i < count; i++)
+                {
+                    guids[i] = (Guid) InteropMethods.PtrToStructure((IntPtr) ((long) buffer + size * i), typeof(Guid));
+                }
+            }
+            finally
+            {
+                Marshal.FreeHGlobal(buffer);
+            }
+
+            return guids;
+        }
+    }
+
+    internal int GetFrameCount(GifFrameDimension dimension)
+    {
+        var count = new[] { 0 };
+
+        var dimensionId = dimension.Guid;
+        var status = InteropMethods.Gdip.GdipImageGetFrameCount(new HandleRef(this, NativeImage), ref dimensionId, count);
+
+        if (status != InteropMethods.Gdip.Ok)
+            throw InteropMethods.Gdip.StatusException(status);
+
+        return count[0];
+    }
+
+    internal GifPropertyItem GetPropertyItem(int propid)
+    {
+        GifPropertyItem propitem;
+
+        var status = InteropMethods.Gdip.GdipGetPropertyItemSize(new HandleRef(this, NativeImage), propid, out var size);
+
+        if (status != InteropMethods.Gdip.Ok)
+            throw InteropMethods.Gdip.StatusException(status);
+
+        if (size == 0)
+            return null;
+
+        var propdata = Marshal.AllocHGlobal(size);
+
+        if (propdata == IntPtr.Zero)
+            throw InteropMethods.Gdip.StatusException(InteropMethods.Gdip.OutOfMemory);
+
+        status = InteropMethods.Gdip.GdipGetPropertyItem(new HandleRef(this, NativeImage), propid, size, propdata);
+
+        try
+        {
+            if (status != InteropMethods.Gdip.Ok)
+            {
+                throw InteropMethods.Gdip.StatusException(status);
+            }
+
+            propitem = GifPropertyItemInternal.ConvertFromMemory(propdata, 1)[0];
+        }
+        finally
+        {
+            Marshal.FreeHGlobal(propdata);
+        }
+
+        return propitem;
+    }
+
+    internal int SelectActiveFrame(GifFrameDimension dimension, int frameIndex)
+    {
+        var count = new[] { 0 };
+
+        var dimensionId = dimension.Guid;
+        var status = InteropMethods.Gdip.GdipImageSelectActiveFrame(new HandleRef(this, NativeImage), ref dimensionId, frameIndex);
+
+        if (status != InteropMethods.Gdip.Ok)
+            throw InteropMethods.Gdip.StatusException(status);
+
+        return count[0];
+    }
+
+    [SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
+    [EditorBrowsable(EditorBrowsableState.Advanced)]
+    [ResourceExposure(ResourceScope.Machine)]
+    [ResourceConsumption(ResourceScope.Machine)]
+    internal IntPtr GetHbitmap() => GetHbitmap(Colors.LightGray);
+
+    [SecurityPermission(SecurityAction.LinkDemand, Flags = SecurityPermissionFlag.UnmanagedCode)]
+    [EditorBrowsable(EditorBrowsableState.Advanced)]
+    [ResourceExposure(ResourceScope.Machine)]
+    [ResourceConsumption(ResourceScope.Machine)]
+    internal IntPtr GetHbitmap(Color background)
+    {
+        var status = InteropMethods.Gdip.GdipCreateHBITMAPFromBitmap(new HandleRef(this, NativeImage), out var hBitmap,
+            ColorHelper.ToWin32(background));
+        if (status == 2 && (Width >= short.MaxValue || Height >= short.MaxValue))
+        {
+            throw new ArgumentException("GdiplusInvalidSize");
+        }
+
+        if (status != InteropMethods.Gdip.Ok && NativeImage != IntPtr.Zero)
+        {
+            throw InteropMethods.Gdip.StatusException(status);
+        }
+
+        return hBitmap;
+    }
+
+    private void GetBitmapSource()
+    {
+        var handle = IntPtr.Zero;
+
+        try
+        {
+            handle = GetHbitmap();
+            Source = Imaging.CreateBitmapSourceFromHBitmap(handle, IntPtr.Zero, Int32Rect.Empty,
+                BitmapSizeOptions.FromEmptyOptions());
+        }
+        catch
+        {
+            // ignored
+        }
+        finally
+        {
+            if (handle != IntPtr.Zero)
+            {
+                InteropMethods.DeleteObject(handle);
+            }
+        }
+    }
+
+    private void OnFrameChanged(object sender, EventArgs e)
+    {
+        Dispatcher.BeginInvoke(new Action(() =>
+        {
+            ImageAnimator.UpdateFrames();
+            Source?.Freeze();
+            GetBitmapSource();
+            InvalidateVisual();
+        }));
+    }
 }

src/Shared/HandyControl_Shared/Controls/Image/ImageBlock.cs

@@ -5,228 +5,227 @@ using System.Windows.Media.Imaging;
 using System.Windows.Threading;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class ImageBlock : FrameworkElement
 {
-    public class ImageBlock : FrameworkElement
+    private readonly DispatcherTimer _dispatcherTimer;
+
+    private BitmapSource _source;
+
+    private int _indexMax;
+
+    private int _indexMin;
+
+    private int _currentIndex;
+
+    private int _blockWidth;
+
+    private int _blockHeight;
+
+    private bool _isDisposed;
+
+    private int _columns = 1;
+
+    public ImageBlock()
     {
-        private readonly DispatcherTimer _dispatcherTimer;
-
-        private BitmapSource _source;
-
-        private int _indexMax;
-
-        private int _indexMin;
-
-        private int _currentIndex;
-
-        private int _blockWidth;
-
-        private int _blockHeight;
-
-        private bool _isDisposed;
-
-        private int _columns = 1;
-
-        public ImageBlock()
+        _dispatcherTimer = new DispatcherTimer(DispatcherPriority.Render)
         {
-            _dispatcherTimer = new DispatcherTimer(DispatcherPriority.Render)
+            Interval = Interval
+        };
+
+        IsVisibleChanged += ImageBlock_IsVisibleChanged;
+    }
+
+    ~ImageBlock() => Dispose();
+
+    public void Dispose()
+    {
+        if (_isDisposed) return;
+
+        IsVisibleChanged -= ImageBlock_IsVisibleChanged;
+        _dispatcherTimer.Stop();
+        _isDisposed = true;
+
+        GC.SuppressFinalize(this);
+    }
+
+    private void ImageBlock_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
+    {
+        if (IsVisible)
+        {
+            _dispatcherTimer.Tick += DispatcherTimer_Tick;
+            if (IsPlaying)
             {
-                Interval = Interval
-            };
-
-            IsVisibleChanged += ImageBlock_IsVisibleChanged;
+                _dispatcherTimer.Start();
+            }
         }
-
-        ~ImageBlock() => Dispose();
-
-        public void Dispose()
+        else
         {
-            if (_isDisposed) return;
-
-            IsVisibleChanged -= ImageBlock_IsVisibleChanged;
             _dispatcherTimer.Stop();
-            _isDisposed = true;
-
-            GC.SuppressFinalize(this);
-        }
-
-        private void ImageBlock_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e)
-        {
-            if (IsVisible)
-            {
-                _dispatcherTimer.Tick += DispatcherTimer_Tick;
-                if (IsPlaying)
-                {
-                    _dispatcherTimer.Start();
-                }
-            }
-            else
-            {
-                _dispatcherTimer.Stop();
-                _dispatcherTimer.Tick -= DispatcherTimer_Tick;
-            }
-        }
-
-        private void UpdateDatas()
-        {
-            if (_source == null) return;
-
-            _indexMin = StartRow * _columns + StartColumn;
-            _indexMax = EndRow * _columns + EndColumn;
-            _currentIndex = _indexMin;
-            _blockWidth = _source.PixelWidth / _columns;
-            _blockHeight = _source.PixelHeight / Rows;
-        }
-
-        private static void OnPositionsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (ImageBlock) d;
-
-            if (e.Property == ColumnsProperty)
-            {
-                ctl._columns = (int) e.NewValue;
-            }
-
-            ctl.UpdateDatas();
-        }
-
-        private void DispatcherTimer_Tick(object sender, EventArgs e) => InvalidateVisual();
-
-        public static readonly DependencyProperty StartColumnProperty = DependencyProperty.Register(
-            "StartColumn", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int0Box,
-                FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged));
-
-        public int StartColumn
-        {
-            get => (int) GetValue(StartColumnProperty);
-            set => SetValue(StartColumnProperty, value);
-        }
-
-        public static readonly DependencyProperty StartRowProperty = DependencyProperty.Register(
-            "StartRow", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int0Box,
-                FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged));
-
-        public int StartRow
-        {
-            get => (int) GetValue(StartRowProperty);
-            set => SetValue(StartRowProperty, value);
-        }
-
-        public static readonly DependencyProperty EndColumnProperty = DependencyProperty.Register(
-            "EndColumn", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int0Box,
-                FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged));
-
-        public int EndColumn
-        {
-            get => (int) GetValue(EndColumnProperty);
-            set => SetValue(EndColumnProperty, value);
-        }
-
-        public static readonly DependencyProperty EndRowProperty = DependencyProperty.Register(
-            "EndRow", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int0Box,
-                FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged));
-
-        public int EndRow
-        {
-            get => (int) GetValue(EndRowProperty);
-            set => SetValue(EndRowProperty, value);
-        }
-
-        public static readonly DependencyProperty IsPlayingProperty = DependencyProperty.Register(
-            "IsPlaying", typeof(bool), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.FalseBox,
-                FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnIsPlayingChanged));
-
-        private static void OnIsPlayingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (ImageBlock) d;
-            if ((bool) e.NewValue)
-            {
-                ctl._dispatcherTimer.Start();
-            }
-            else
-            {
-                ctl._dispatcherTimer.Stop();
-            }
-        }
-
-        public bool IsPlaying
-        {
-            get => (bool) GetValue(IsPlayingProperty);
-            set => SetValue(IsPlayingProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty ColumnsProperty = DependencyProperty.Register(
-            "Columns", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int1Box,
-                FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged), obj => (int) obj >= 1);
-
-        public int Columns
-        {
-            get => (int) GetValue(ColumnsProperty);
-            set => SetValue(ColumnsProperty, value);
-        }
-
-        public static readonly DependencyProperty RowsProperty = DependencyProperty.Register(
-            "Rows", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int1Box,
-                FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged), obj => (int) obj >= 1);
-
-        public int Rows
-        {
-            get => (int) GetValue(RowsProperty);
-            set => SetValue(RowsProperty, value);
-        }
-
-        public static readonly DependencyProperty IntervalProperty = DependencyProperty.Register(
-            "Interval", typeof(TimeSpan), typeof(ImageBlock), new PropertyMetadata(TimeSpan.FromSeconds(1), OnIntervalChanged));
-
-        private static void OnIntervalChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (ImageBlock) d;
-            ctl._dispatcherTimer.Interval = (TimeSpan) e.NewValue;
-        }
-
-        public TimeSpan Interval
-        {
-            get => (TimeSpan) GetValue(IntervalProperty);
-            set => SetValue(IntervalProperty, value);
-        }
-
-        public static readonly DependencyProperty SourceProperty = DependencyProperty.Register(
-            "Source", typeof(ImageSource), typeof(ImageBlock), new FrameworkPropertyMetadata(default(ImageSource),
-                FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnSourceChanged));
-
-        private static void OnSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (ImageBlock) d;
-            ctl._source = e.NewValue as BitmapSource;
-            ctl.UpdateDatas();
-        }
-
-        public ImageSource Source
-        {
-            get => (ImageSource) GetValue(SourceProperty);
-            set => SetValue(SourceProperty, value);
-        }
-
-        protected override void OnRender(DrawingContext dc)
-        {
-            if (_source == null) return;
-            var croppedBitmap = new CroppedBitmap(_source, CalDisplayRect());
-            dc.DrawImage(croppedBitmap, new Rect(0, 0, RenderSize.Width, RenderSize.Height));
-        }
-
-        private Int32Rect CalDisplayRect()
-        {
-            if (_currentIndex > _indexMax)
-            {
-                _currentIndex = _indexMin;
-            }
-
-            var x = _currentIndex % _columns * _blockWidth;
-            var y = _currentIndex / _columns * _blockHeight;
-
-            var rect = new Int32Rect(x, y, _blockWidth, _blockHeight);
-            _currentIndex++;
-            return rect;
+            _dispatcherTimer.Tick -= DispatcherTimer_Tick;
         }
     }
+
+    private void UpdateDatas()
+    {
+        if (_source == null) return;
+
+        _indexMin = StartRow * _columns + StartColumn;
+        _indexMax = EndRow * _columns + EndColumn;
+        _currentIndex = _indexMin;
+        _blockWidth = _source.PixelWidth / _columns;
+        _blockHeight = _source.PixelHeight / Rows;
+    }
+
+    private static void OnPositionsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (ImageBlock) d;
+
+        if (e.Property == ColumnsProperty)
+        {
+            ctl._columns = (int) e.NewValue;
+        }
+
+        ctl.UpdateDatas();
+    }
+
+    private void DispatcherTimer_Tick(object sender, EventArgs e) => InvalidateVisual();
+
+    public static readonly DependencyProperty StartColumnProperty = DependencyProperty.Register(
+        "StartColumn", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int0Box,
+            FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged));
+
+    public int StartColumn
+    {
+        get => (int) GetValue(StartColumnProperty);
+        set => SetValue(StartColumnProperty, value);
+    }
+
+    public static readonly DependencyProperty StartRowProperty = DependencyProperty.Register(
+        "StartRow", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int0Box,
+            FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged));
+
+    public int StartRow
+    {
+        get => (int) GetValue(StartRowProperty);
+        set => SetValue(StartRowProperty, value);
+    }
+
+    public static readonly DependencyProperty EndColumnProperty = DependencyProperty.Register(
+        "EndColumn", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int0Box,
+            FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged));
+
+    public int EndColumn
+    {
+        get => (int) GetValue(EndColumnProperty);
+        set => SetValue(EndColumnProperty, value);
+    }
+
+    public static readonly DependencyProperty EndRowProperty = DependencyProperty.Register(
+        "EndRow", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int0Box,
+            FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged));
+
+    public int EndRow
+    {
+        get => (int) GetValue(EndRowProperty);
+        set => SetValue(EndRowProperty, value);
+    }
+
+    public static readonly DependencyProperty IsPlayingProperty = DependencyProperty.Register(
+        "IsPlaying", typeof(bool), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.FalseBox,
+            FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnIsPlayingChanged));
+
+    private static void OnIsPlayingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (ImageBlock) d;
+        if ((bool) e.NewValue)
+        {
+            ctl._dispatcherTimer.Start();
+        }
+        else
+        {
+            ctl._dispatcherTimer.Stop();
+        }
+    }
+
+    public bool IsPlaying
+    {
+        get => (bool) GetValue(IsPlayingProperty);
+        set => SetValue(IsPlayingProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty ColumnsProperty = DependencyProperty.Register(
+        "Columns", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int1Box,
+            FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged), obj => (int) obj >= 1);
+
+    public int Columns
+    {
+        get => (int) GetValue(ColumnsProperty);
+        set => SetValue(ColumnsProperty, value);
+    }
+
+    public static readonly DependencyProperty RowsProperty = DependencyProperty.Register(
+        "Rows", typeof(int), typeof(ImageBlock), new FrameworkPropertyMetadata(ValueBoxes.Int1Box,
+            FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnPositionsChanged), obj => (int) obj >= 1);
+
+    public int Rows
+    {
+        get => (int) GetValue(RowsProperty);
+        set => SetValue(RowsProperty, value);
+    }
+
+    public static readonly DependencyProperty IntervalProperty = DependencyProperty.Register(
+        "Interval", typeof(TimeSpan), typeof(ImageBlock), new PropertyMetadata(TimeSpan.FromSeconds(1), OnIntervalChanged));
+
+    private static void OnIntervalChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (ImageBlock) d;
+        ctl._dispatcherTimer.Interval = (TimeSpan) e.NewValue;
+    }
+
+    public TimeSpan Interval
+    {
+        get => (TimeSpan) GetValue(IntervalProperty);
+        set => SetValue(IntervalProperty, value);
+    }
+
+    public static readonly DependencyProperty SourceProperty = DependencyProperty.Register(
+        "Source", typeof(ImageSource), typeof(ImageBlock), new FrameworkPropertyMetadata(default(ImageSource),
+            FrameworkPropertyMetadataOptions.AffectsMeasure | FrameworkPropertyMetadataOptions.AffectsRender, OnSourceChanged));
+
+    private static void OnSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (ImageBlock) d;
+        ctl._source = e.NewValue as BitmapSource;
+        ctl.UpdateDatas();
+    }
+
+    public ImageSource Source
+    {
+        get => (ImageSource) GetValue(SourceProperty);
+        set => SetValue(SourceProperty, value);
+    }
+
+    protected override void OnRender(DrawingContext dc)
+    {
+        if (_source == null) return;
+        var croppedBitmap = new CroppedBitmap(_source, CalDisplayRect());
+        dc.DrawImage(croppedBitmap, new Rect(0, 0, RenderSize.Width, RenderSize.Height));
+    }
+
+    private Int32Rect CalDisplayRect()
+    {
+        if (_currentIndex > _indexMax)
+        {
+            _currentIndex = _indexMin;
+        }
+
+        var x = _currentIndex % _columns * _blockWidth;
+        var y = _currentIndex / _columns * _blockHeight;
+
+        var rect = new Int32Rect(x, y, _blockWidth, _blockHeight);
+        _currentIndex++;
+        return rect;
+    }
 }

src/Shared/HandyControl_Shared/Controls/Input/AutoCompleteTextBox/AutoCompleteTextBox.cs

@@ -4,156 +4,155 @@ using System.Windows.Input;
 using HandyControl.Data;
 using HandyControl.Tools.Helper;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[TemplatePart(Name = SearchTextBox, Type = typeof(System.Windows.Controls.TextBox))]
+public class AutoCompleteTextBox : ComboBox
 {
-    [TemplatePart(Name = SearchTextBox, Type = typeof(System.Windows.Controls.TextBox))]
-    public class AutoCompleteTextBox : ComboBox
+    private const string SearchTextBox = "PART_SearchTextBox";
+
+    private bool ignoreTextChanging;
+
+    private System.Windows.Controls.TextBox _searchTextBox;
+
+    private object _selectedItem;
+
+    static AutoCompleteTextBox()
     {
-        private const string SearchTextBox = "PART_SearchTextBox";
+        TextProperty.OverrideMetadata(typeof(AutoCompleteTextBox), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
+    }
 
-        private bool ignoreTextChanging;
-
-        private System.Windows.Controls.TextBox _searchTextBox;
-
-        private object _selectedItem;
-
-        static AutoCompleteTextBox()
+    public override void OnApplyTemplate()
+    {
+        if (_searchTextBox != null)
         {
-            TextProperty.OverrideMetadata(typeof(AutoCompleteTextBox), new FrameworkPropertyMetadata(default(string), FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
+            _searchTextBox.GotFocus -= SearchTextBoxGotFocus;
+            _searchTextBox.KeyDown -= SearchTextBoxKeyDown;
+            _searchTextBox.TextChanged -= SearchTextBoxTextChanged;
         }
 
-        public override void OnApplyTemplate()
+        base.OnApplyTemplate();
+
+        _searchTextBox = GetTemplateChild(SearchTextBox) as System.Windows.Controls.TextBox;
+        if (_searchTextBox != null)
         {
-            if (_searchTextBox != null)
-            {
-                _searchTextBox.GotFocus -= SearchTextBoxGotFocus;
-                _searchTextBox.KeyDown -= SearchTextBoxKeyDown;
-                _searchTextBox.TextChanged -= SearchTextBoxTextChanged;
-            }
+            _searchTextBox.GotFocus += SearchTextBoxGotFocus;
+            _searchTextBox.PreviewKeyDown += SearchTextBoxKeyDown;
+            _searchTextBox.TextChanged += SearchTextBoxTextChanged;
+        }
 
-            base.OnApplyTemplate();
+        UpdateTextBoxBySelectedItem(_selectedItem);
+    }
 
-            _searchTextBox = GetTemplateChild(SearchTextBox) as System.Windows.Controls.TextBox;
-            if (_searchTextBox != null)
-            {
-                _searchTextBox.GotFocus += SearchTextBoxGotFocus;
-                _searchTextBox.PreviewKeyDown += SearchTextBoxKeyDown;
-                _searchTextBox.TextChanged += SearchTextBoxTextChanged;
-            }
+    protected override void OnSelectionChanged(SelectionChangedEventArgs e)
+    {
+        base.OnSelectionChanged(e);
 
+        if (e.AddedItems.Count > 0)
+        {
+            _selectedItem = e.AddedItems[0];
             UpdateTextBoxBySelectedItem(_selectedItem);
         }
+    }
 
-        protected override void OnSelectionChanged(SelectionChangedEventArgs e)
+    protected override bool IsItemItsOwnContainerOverride(object item) => item is AutoCompleteTextBoxItem;
+
+    protected override DependencyObject GetContainerForItemOverride() => new AutoCompleteTextBoxItem();
+
+    private void SearchTextBoxTextChanged(object sender, TextChangedEventArgs e)
+    {
+        _selectedItem = null;
+        SelectedIndex = -1;
+
+        if (ignoreTextChanging)
         {
-            base.OnSelectionChanged(e);
-
-            if (e.AddedItems.Count > 0)
-            {
-                _selectedItem = e.AddedItems[0];
-                UpdateTextBoxBySelectedItem(_selectedItem);
-            }
+            ignoreTextChanging = false;
+            return;
         }
 
-        protected override bool IsItemItsOwnContainerOverride(object item) => item is AutoCompleteTextBoxItem;
-
-        protected override DependencyObject GetContainerForItemOverride() => new AutoCompleteTextBoxItem();
-
-        private void SearchTextBoxTextChanged(object sender, TextChangedEventArgs e)
+        Text = _searchTextBox.Text;
+        if (string.IsNullOrEmpty(Text))
         {
-            _selectedItem = null;
-            SelectedIndex = -1;
+            SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.FalseBox);
+            _searchTextBox.Focus();
+        }
+        else if (_searchTextBox.IsFocused)
+        {
+            SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.TrueBox);
+        }
+    }
 
-            if (ignoreTextChanging)
+    private void SearchTextBoxKeyDown(object sender, KeyEventArgs e)
+    {
+        if (e.Key == Key.Up)
+        {
+            var index = SelectedIndex - 1;
+            if (index < 0)
             {
-                ignoreTextChanging = false;
-                return;
+                index = Items.Count - 1;
             }
 
-            Text = _searchTextBox.Text;
-            if (string.IsNullOrEmpty(Text))
+            UpdateTextBoxBySelectedIndex(index);
+        }
+        else if (e.Key == Key.Down)
+        {
+            var index = SelectedIndex + 1;
+            if (index >= Items.Count)
             {
-                SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.FalseBox);
-                _searchTextBox.Focus();
-            }
-            else if (_searchTextBox.IsFocused)
-            {
-                SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.TrueBox);
+                index = 0;
             }
+
+            UpdateTextBoxBySelectedIndex(index);
+        }
+        else if (e.Key == Key.Enter)
+        {
+            SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.FalseBox);
+            e.Handled = true;
+        }
+    }
+
+    private void UpdateTextBoxBySelectedIndex(int selectedIndex)
+    {
+        if (_searchTextBox == null)
+        {
+            return;
         }
 
-        private void SearchTextBoxKeyDown(object sender, KeyEventArgs e)
+        ignoreTextChanging = true;
+
+        if (ItemContainerGenerator.ContainerFromIndex(selectedIndex) is AutoCompleteTextBoxItem boxItem)
         {
-            if (e.Key == Key.Up)
-            {
-                var index = SelectedIndex - 1;
-                if (index < 0)
-                {
-                    index = Items.Count - 1;
-                }
-
-                UpdateTextBoxBySelectedIndex(index);
-            }
-            else if (e.Key == Key.Down)
-            {
-                var index = SelectedIndex + 1;
-                if (index >= Items.Count)
-                {
-                    index = 0;
-                }
-
-                UpdateTextBoxBySelectedIndex(index);
-            }
-            else if (e.Key == Key.Enter)
-            {
-                SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.FalseBox);
-                e.Handled = true;
-            }
-        }
-
-        private void UpdateTextBoxBySelectedIndex(int selectedIndex)
-        {
-            if (_searchTextBox == null)
-            {
-                return;
-            }
-
-            ignoreTextChanging = true;
-
-            if (ItemContainerGenerator.ContainerFromIndex(selectedIndex) is AutoCompleteTextBoxItem boxItem)
-            {
-                _searchTextBox.Text = BindingHelper.GetString(boxItem.Content, DisplayMemberPath);
-                _searchTextBox.CaretIndex = _searchTextBox.Text.Length;
-
-                SelectedIndex = selectedIndex;
-            }
-        }
-
-        private void UpdateTextBoxBySelectedItem(object selectedItem)
-        {
-            if (_searchTextBox == null)
-            {
-                return;
-            }
-
-            ignoreTextChanging = true;
-
-            _searchTextBox.Text = BindingHelper.GetString(selectedItem, DisplayMemberPath);
+            _searchTextBox.Text = BindingHelper.GetString(boxItem.Content, DisplayMemberPath);
             _searchTextBox.CaretIndex = _searchTextBox.Text.Length;
 
-            ignoreTextChanging = true;
+            SelectedIndex = selectedIndex;
+        }
+    }
 
-            Text = _searchTextBox.Text;
-
-            ignoreTextChanging = false;
+    private void UpdateTextBoxBySelectedItem(object selectedItem)
+    {
+        if (_searchTextBox == null)
+        {
+            return;
         }
 
-        private void SearchTextBoxGotFocus(object sender, RoutedEventArgs e)
+        ignoreTextChanging = true;
+
+        _searchTextBox.Text = BindingHelper.GetString(selectedItem, DisplayMemberPath);
+        _searchTextBox.CaretIndex = _searchTextBox.Text.Length;
+
+        ignoreTextChanging = true;
+
+        Text = _searchTextBox.Text;
+
+        ignoreTextChanging = false;
+    }
+
+    private void SearchTextBoxGotFocus(object sender, RoutedEventArgs e)
+    {
+        if (!string.IsNullOrEmpty(Text))
         {
-            if (!string.IsNullOrEmpty(Text))
-            {
-                SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.TrueBox);
-            }
+            SetCurrentValue(IsDropDownOpenProperty, ValueBoxes.TrueBox);
         }
     }
 }

src/Shared/HandyControl_Shared/Controls/Input/AutoCompleteTextBox/AutoCompleteTextBoxItem.cs

@@ -1,9 +1,8 @@
 using System.Windows.Controls;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class AutoCompleteTextBoxItem : ComboBoxItem
 {
-    public class AutoCompleteTextBoxItem : ComboBoxItem
-    {
 
-    }
 }

src/Shared/HandyControl_Shared/Controls/Input/CheckComboBox/CheckComboBox.cs

@@ -9,284 +9,283 @@ using System.Windows.Threading;
 using HandyControl.Data;
 using HandyControl.Interactivity;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[TemplatePart(Name = ElementPanel, Type = typeof(Panel))]
+[TemplatePart(Name = ElementSelectAll, Type = typeof(CheckComboBoxItem))]
+public class CheckComboBox : ListBox, IDataInput
 {
-    [TemplatePart(Name = ElementPanel, Type = typeof(Panel))]
-    [TemplatePart(Name = ElementSelectAll, Type = typeof(CheckComboBoxItem))]
-    public class CheckComboBox : ListBox, IDataInput
+    private const string ElementPanel = "PART_Panel";
+
+    private const string ElementSelectAll = "PART_SelectAll";
+
+    private Panel _panel;
+
+    private CheckComboBoxItem _selectAllItem;
+
+    private bool _isInternalAction;
+
+    public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
+        "IsError", typeof(bool), typeof(CheckComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool IsError
     {
-        private const string ElementPanel = "PART_Panel";
+        get => (bool) GetValue(IsErrorProperty);
+        set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        private const string ElementSelectAll = "PART_SelectAll";
+    public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
+        "ErrorStr", typeof(string), typeof(CheckComboBox), new PropertyMetadata(default(string)));
 
-        private Panel _panel;
+    public string ErrorStr
+    {
+        get => (string) GetValue(ErrorStrProperty);
+        set => SetValue(ErrorStrProperty, value);
+    }
 
-        private CheckComboBoxItem _selectAllItem;
+    public static readonly DependencyProperty TextTypeProperty = DependencyProperty.Register(
+        "TextType", typeof(TextType), typeof(CheckComboBox), new PropertyMetadata(default(TextType)));
 
-        private bool _isInternalAction;
+    public TextType TextType
+    {
+        get => (TextType) GetValue(TextTypeProperty);
+        set => SetValue(TextTypeProperty, value);
+    }
 
-        public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
-            "IsError", typeof(bool), typeof(CheckComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
+    public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
+        "ShowClearButton", typeof(bool), typeof(CheckComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
 
-        public bool IsError
+    public bool ShowClearButton
+    {
+        get => (bool) GetValue(ShowClearButtonProperty);
+        set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty MaxDropDownHeightProperty =
+        System.Windows.Controls.ComboBox.MaxDropDownHeightProperty.AddOwner(typeof(CheckComboBox),
+            new FrameworkPropertyMetadata(SystemParameters.PrimaryScreenHeight / 3));
+
+    [Bindable(true), Category("Layout")]
+    [TypeConverter(typeof(LengthConverter))]
+    public double MaxDropDownHeight
+    {
+        get => (double) GetValue(MaxDropDownHeightProperty);
+        set => SetValue(MaxDropDownHeightProperty, value);
+    }
+
+    public static readonly DependencyProperty IsDropDownOpenProperty = DependencyProperty.Register(
+        "IsDropDownOpen", typeof(bool), typeof(CheckComboBox), new PropertyMetadata(ValueBoxes.FalseBox, OnIsDropDownOpenChanged));
+
+    private static void OnIsDropDownOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (CheckComboBox) d;
+
+        if (!(bool) e.NewValue)
         {
-            get => (bool) GetValue(IsErrorProperty);
-            set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
-            "ErrorStr", typeof(string), typeof(CheckComboBox), new PropertyMetadata(default(string)));
-
-        public string ErrorStr
-        {
-            get => (string) GetValue(ErrorStrProperty);
-            set => SetValue(ErrorStrProperty, value);
-        }
-
-        public static readonly DependencyProperty TextTypeProperty = DependencyProperty.Register(
-            "TextType", typeof(TextType), typeof(CheckComboBox), new PropertyMetadata(default(TextType)));
-
-        public TextType TextType
-        {
-            get => (TextType) GetValue(TextTypeProperty);
-            set => SetValue(TextTypeProperty, value);
-        }
-
-        public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
-            "ShowClearButton", typeof(bool), typeof(CheckComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool ShowClearButton
-        {
-            get => (bool) GetValue(ShowClearButtonProperty);
-            set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty MaxDropDownHeightProperty =
-            System.Windows.Controls.ComboBox.MaxDropDownHeightProperty.AddOwner(typeof(CheckComboBox),
-                new FrameworkPropertyMetadata(SystemParameters.PrimaryScreenHeight / 3));
-
-        [Bindable(true), Category("Layout")]
-        [TypeConverter(typeof(LengthConverter))]
-        public double MaxDropDownHeight
-        {
-            get => (double) GetValue(MaxDropDownHeightProperty);
-            set => SetValue(MaxDropDownHeightProperty, value);
-        }
-
-        public static readonly DependencyProperty IsDropDownOpenProperty = DependencyProperty.Register(
-            "IsDropDownOpen", typeof(bool), typeof(CheckComboBox), new PropertyMetadata(ValueBoxes.FalseBox, OnIsDropDownOpenChanged));
-
-        private static void OnIsDropDownOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (CheckComboBox) d;
-
-            if (!(bool) e.NewValue)
+            ctl.Dispatcher.BeginInvoke(new Action(() =>
             {
-                ctl.Dispatcher.BeginInvoke(new Action(() =>
-                {
-                    Mouse.Capture(null);
-                }), DispatcherPriority.Send);
+                Mouse.Capture(null);
+            }), DispatcherPriority.Send);
+        }
+    }
+
+    public bool IsDropDownOpen
+    {
+        get => (bool) GetValue(IsDropDownOpenProperty);
+        set => SetValue(IsDropDownOpenProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty TagStyleProperty = DependencyProperty.Register(
+        "TagStyle", typeof(Style), typeof(CheckComboBox), new PropertyMetadata(default(Style)));
+
+    public Style TagStyle
+    {
+        get => (Style) GetValue(TagStyleProperty);
+        set => SetValue(TagStyleProperty, value);
+    }
+
+    public static readonly DependencyProperty ShowSelectAllButtonProperty = DependencyProperty.Register(
+        "ShowSelectAllButton", typeof(bool), typeof(CheckComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool ShowSelectAllButton
+    {
+        get => (bool) GetValue(ShowSelectAllButtonProperty);
+        set => SetValue(ShowSelectAllButtonProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public CheckComboBox()
+    {
+        AddHandler(Controls.Tag.ClosedEvent, new RoutedEventHandler(Tags_OnClosed));
+
+        CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
+        {
+            SetCurrentValue(SelectedValueProperty, null);
+            SetCurrentValue(SelectedItemProperty, null);
+            SetCurrentValue(SelectedIndexProperty, -1);
+            SelectedItems.Clear();
+        }));
+
+        ItemContainerGenerator.StatusChanged += ItemContainerGenerator_StatusChanged;
+    }
+
+    private void ItemContainerGenerator_StatusChanged(object sender, EventArgs e)
+    {
+        if (ItemContainerGenerator.Status == GeneratorStatus.ContainersGenerated)
+        {
+            UpdateTags();
+        }
+    }
+
+    public override void OnApplyTemplate()
+    {
+        if (_selectAllItem != null)
+        {
+            _selectAllItem.Selected -= SelectAllItem_Selected;
+            _selectAllItem.Unselected -= SelectAllItem_Unselected;
+        }
+
+        base.OnApplyTemplate();
+
+        _panel = GetTemplateChild(ElementPanel) as Panel;
+        _selectAllItem = GetTemplateChild(ElementSelectAll) as CheckComboBoxItem;
+        if (_selectAllItem != null)
+        {
+            _selectAllItem.Selected += SelectAllItem_Selected;
+            _selectAllItem.Unselected += SelectAllItem_Unselected;
+        }
+
+        Dispatcher.BeginInvoke(new Action(() =>
+        {
+            IsDropDownOpen = true;
+            IsDropDownOpen = false;
+        }), DispatcherPriority.DataBind);
+    }
+
+    public bool VerifyData()
+    {
+        OperationResult<bool> result;
+
+        if (VerifyFunc != null)
+        {
+            result = VerifyFunc.Invoke(null);
+        }
+        else
+        {
+            if (SelectedItems.Count > 0)
+            {
+                result = OperationResult.Success();
             }
-        }
-
-        public bool IsDropDownOpen
-        {
-            get => (bool) GetValue(IsDropDownOpenProperty);
-            set => SetValue(IsDropDownOpenProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty TagStyleProperty = DependencyProperty.Register(
-            "TagStyle", typeof(Style), typeof(CheckComboBox), new PropertyMetadata(default(Style)));
-
-        public Style TagStyle
-        {
-            get => (Style) GetValue(TagStyleProperty);
-            set => SetValue(TagStyleProperty, value);
-        }
-
-        public static readonly DependencyProperty ShowSelectAllButtonProperty = DependencyProperty.Register(
-            "ShowSelectAllButton", typeof(bool), typeof(CheckComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool ShowSelectAllButton
-        {
-            get => (bool) GetValue(ShowSelectAllButtonProperty);
-            set => SetValue(ShowSelectAllButtonProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public CheckComboBox()
-        {
-            AddHandler(Controls.Tag.ClosedEvent, new RoutedEventHandler(Tags_OnClosed));
-
-            CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
+            else if (InfoElement.GetNecessary(this))
             {
-                SetCurrentValue(SelectedValueProperty, null);
-                SetCurrentValue(SelectedItemProperty, null);
-                SetCurrentValue(SelectedIndexProperty, -1);
-                SelectedItems.Clear();
-            }));
-
-            ItemContainerGenerator.StatusChanged += ItemContainerGenerator_StatusChanged;
-        }
-
-        private void ItemContainerGenerator_StatusChanged(object sender, EventArgs e)
-        {
-            if (ItemContainerGenerator.Status == GeneratorStatus.ContainersGenerated)
-            {
-                UpdateTags();
-            }
-        }
-
-        public override void OnApplyTemplate()
-        {
-            if (_selectAllItem != null)
-            {
-                _selectAllItem.Selected -= SelectAllItem_Selected;
-                _selectAllItem.Unselected -= SelectAllItem_Unselected;
-            }
-
-            base.OnApplyTemplate();
-
-            _panel = GetTemplateChild(ElementPanel) as Panel;
-            _selectAllItem = GetTemplateChild(ElementSelectAll) as CheckComboBoxItem;
-            if (_selectAllItem != null)
-            {
-                _selectAllItem.Selected += SelectAllItem_Selected;
-                _selectAllItem.Unselected += SelectAllItem_Unselected;
-            }
-
-            Dispatcher.BeginInvoke(new Action(() =>
-            {
-                IsDropDownOpen = true;
-                IsDropDownOpen = false;
-            }), DispatcherPriority.DataBind);
-        }
-
-        public bool VerifyData()
-        {
-            OperationResult<bool> result;
-
-            if (VerifyFunc != null)
-            {
-                result = VerifyFunc.Invoke(null);
+                result = OperationResult.Failed(Properties.Langs.Lang.IsNecessary);
             }
             else
             {
-                if (SelectedItems.Count > 0)
-                {
-                    result = OperationResult.Success();
-                }
-                else if (InfoElement.GetNecessary(this))
-                {
-                    result = OperationResult.Failed(Properties.Langs.Lang.IsNecessary);
-                }
-                else
-                {
-                    result = OperationResult.Success();
-                }
+                result = OperationResult.Success();
             }
+        }
 
-            var isError = !result.Data;
+        var isError = !result.Data;
+        if (isError)
+        {
+            SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
+            SetCurrentValue(ErrorStrProperty, result.Message);
+        }
+        else
+        {
+            isError = Validation.GetHasError(this);
             if (isError)
             {
-                SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
-                SetCurrentValue(ErrorStrProperty, result.Message);
+                SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
             }
             else
             {
-                isError = Validation.GetHasError(this);
-                if (isError)
+                SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
+                SetCurrentValue(ErrorStrProperty, default(string));
+            }
+        }
+
+        return !isError;
+    }
+
+    public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
+
+    protected override void OnSelectionChanged(SelectionChangedEventArgs e)
+    {
+        UpdateTags();
+        VerifyData();
+
+        base.OnSelectionChanged(e);
+    }
+
+    protected override bool IsItemItsOwnContainerOverride(object item) => item is CheckComboBoxItem;
+
+    protected override DependencyObject GetContainerForItemOverride() => new CheckComboBoxItem();
+
+    protected override void OnDisplayMemberPathChanged(string oldDisplayMemberPath, string newDisplayMemberPath) => UpdateTags();
+
+    private void Tags_OnClosed(object sender, RoutedEventArgs e)
+    {
+        if (e.OriginalSource is Tag { Tag: CheckComboBoxItem checkComboBoxItem })
+        {
+            checkComboBoxItem.SetCurrentValue(IsSelectedProperty, false);
+        }
+    }
+
+    private void SwitchAllItems(bool selected)
+    {
+        if (_isInternalAction) return;
+        _isInternalAction = true;
+
+        foreach (var item in Items)
+        {
+            if (ItemContainerGenerator.ContainerFromItem(item) is CheckComboBoxItem checkComboBoxItem)
+            {
+                checkComboBoxItem.SetCurrentValue(ListBoxItem.IsSelectedProperty, selected);
+            }
+        }
+
+        _isInternalAction = false;
+        UpdateTags();
+    }
+
+    private void SelectAllItem_Selected(object sender, RoutedEventArgs e) => SwitchAllItems(true);
+
+    private void SelectAllItem_Unselected(object sender, RoutedEventArgs e) => SwitchAllItems(false);
+
+    private void UpdateTags()
+    {
+        if (_panel == null || _isInternalAction) return;
+
+        if (_selectAllItem != null)
+        {
+            _isInternalAction = true;
+            _selectAllItem.SetCurrentValue(IsSelectedProperty, SelectedItems.Count == Items.Count);
+            _isInternalAction = false;
+        }
+
+        _panel.Children.Clear();
+
+        foreach (var item in SelectedItems)
+        {
+            if (ItemContainerGenerator.ContainerFromItem(item) is CheckComboBoxItem checkComboBoxItem)
+            {
+                var tag = new Tag
                 {
-                    SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
+                    Style = TagStyle,
+                    Tag = checkComboBoxItem
+                };
+
+                if (ItemsSource != null)
+                {
+                    tag.SetBinding(ContentControl.ContentProperty, new Binding(DisplayMemberPath) { Source = item });
                 }
                 else
                 {
-                    SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
-                    SetCurrentValue(ErrorStrProperty, default(string));
+                    tag.Content = checkComboBoxItem.Content;
                 }
-            }
 
-            return !isError;
-        }
-
-        public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
-
-        protected override void OnSelectionChanged(SelectionChangedEventArgs e)
-        {
-            UpdateTags();
-            VerifyData();
-
-            base.OnSelectionChanged(e);
-        }
-
-        protected override bool IsItemItsOwnContainerOverride(object item) => item is CheckComboBoxItem;
-
-        protected override DependencyObject GetContainerForItemOverride() => new CheckComboBoxItem();
-
-        protected override void OnDisplayMemberPathChanged(string oldDisplayMemberPath, string newDisplayMemberPath) => UpdateTags();
-
-        private void Tags_OnClosed(object sender, RoutedEventArgs e)
-        {
-            if (e.OriginalSource is Tag { Tag: CheckComboBoxItem checkComboBoxItem })
-            {
-                checkComboBoxItem.SetCurrentValue(IsSelectedProperty, false);
-            }
-        }
-
-        private void SwitchAllItems(bool selected)
-        {
-            if (_isInternalAction) return;
-            _isInternalAction = true;
-
-            foreach (var item in Items)
-            {
-                if (ItemContainerGenerator.ContainerFromItem(item) is CheckComboBoxItem checkComboBoxItem)
-                {
-                    checkComboBoxItem.SetCurrentValue(ListBoxItem.IsSelectedProperty, selected);
-                }
-            }
-
-            _isInternalAction = false;
-            UpdateTags();
-        }
-
-        private void SelectAllItem_Selected(object sender, RoutedEventArgs e) => SwitchAllItems(true);
-
-        private void SelectAllItem_Unselected(object sender, RoutedEventArgs e) => SwitchAllItems(false);
-
-        private void UpdateTags()
-        {
-            if (_panel == null || _isInternalAction) return;
-
-            if (_selectAllItem != null)
-            {
-                _isInternalAction = true;
-                _selectAllItem.SetCurrentValue(IsSelectedProperty, SelectedItems.Count == Items.Count);
-                _isInternalAction = false;
-            }
-
-            _panel.Children.Clear();
-
-            foreach (var item in SelectedItems)
-            {
-                if (ItemContainerGenerator.ContainerFromItem(item) is CheckComboBoxItem checkComboBoxItem)
-                {
-                    var tag = new Tag
-                    {
-                        Style = TagStyle,
-                        Tag = checkComboBoxItem
-                    };
-
-                    if (ItemsSource != null)
-                    {
-                        tag.SetBinding(ContentControl.ContentProperty, new Binding(DisplayMemberPath) { Source = item });
-                    }
-                    else
-                    {
-                        tag.Content = checkComboBoxItem.Content;
-                    }
-
-                    _panel.Children.Add(tag);
-                }
+                _panel.Children.Add(tag);
             }
         }
     }

src/Shared/HandyControl_Shared/Controls/Input/CheckComboBox/CheckComboBoxItem.cs

@@ -1,9 +1,8 @@
 using System.Windows.Controls;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class CheckComboBoxItem : ListBoxItem
 {
-    public class CheckComboBoxItem : ListBoxItem
-    {
 
-    }
 }

src/Shared/HandyControl_Shared/Controls/Input/ComboBox.cs

@@ -12,435 +12,434 @@ using System.Windows.Threading;
 using HandyControl.Data;
 using HandyControl.Interactivity;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[TemplatePart(Name = AutoCompletePanel, Type = typeof(Panel))]
+[TemplatePart(Name = EditableTextBox, Type = typeof(System.Windows.Controls.TextBox))]
+[TemplatePart(Name = AutoPopupAutoComplete, Type = typeof(Popup))]
+public class ComboBox : System.Windows.Controls.ComboBox, IDataInput
 {
-    [TemplatePart(Name = AutoCompletePanel, Type = typeof(Panel))]
-    [TemplatePart(Name = EditableTextBox, Type = typeof(System.Windows.Controls.TextBox))]
-    [TemplatePart(Name = AutoPopupAutoComplete, Type = typeof(Popup))]
-    public class ComboBox : System.Windows.Controls.ComboBox, IDataInput
-    {
 #if NET40
 
-        private string _searchText;
+    private string _searchText;
 
-        private DispatcherTimer _autoCompleteTimer;
+    private DispatcherTimer _autoCompleteTimer;
 
 #endif
-        private bool _isAutoCompleteAction = true;
+    private bool _isAutoCompleteAction = true;
 
-        private Panel _autoCompletePanel;
+    private Panel _autoCompletePanel;
 
-        private System.Windows.Controls.TextBox _editableTextBox;
+    private System.Windows.Controls.TextBox _editableTextBox;
 
-        private Popup _autoPopupAutoComplete;
+    private Popup _autoPopupAutoComplete;
 
-        private const string AutoCompletePanel = "PART_AutoCompletePanel";
+    private const string AutoCompletePanel = "PART_AutoCompletePanel";
 
-        private const string AutoPopupAutoComplete = "PART_Popup_AutoComplete";
+    private const string AutoPopupAutoComplete = "PART_Popup_AutoComplete";
 
-        private const string EditableTextBox = "PART_EditableTextBox";
+    private const string EditableTextBox = "PART_EditableTextBox";
 
-        public ComboBox()
+    public ComboBox()
+    {
+        CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
         {
-            CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
-            {
-                SetCurrentValue(SelectedValueProperty, null);
-                SetCurrentValue(SelectedItemProperty, null);
-                SetCurrentValue(SelectedIndexProperty, -1);
-                SetCurrentValue(TextProperty, "");
-            }));
+            SetCurrentValue(SelectedValueProperty, null);
+            SetCurrentValue(SelectedItemProperty, null);
+            SetCurrentValue(SelectedIndexProperty, -1);
+            SetCurrentValue(TextProperty, "");
+        }));
+    }
+
+    public override void OnApplyTemplate()
+    {
+        if (_editableTextBox != null)
+        {
+            BindingOperations.ClearBinding(_editableTextBox, System.Windows.Controls.TextBox.TextProperty);
+            _editableTextBox.GotFocus -= EditableTextBox_GotFocus;
+            _editableTextBox.LostFocus -= EditableTextBox_LostFocus;
         }
 
-        public override void OnApplyTemplate()
+        base.OnApplyTemplate();
+
+        if (IsEditable)
         {
+            _editableTextBox = GetTemplateChild(EditableTextBox) as System.Windows.Controls.TextBox;
+
             if (_editableTextBox != null)
             {
-                BindingOperations.ClearBinding(_editableTextBox, System.Windows.Controls.TextBox.TextProperty);
-                _editableTextBox.GotFocus -= EditableTextBox_GotFocus;
-                _editableTextBox.LostFocus -= EditableTextBox_LostFocus;
-            }
+                _editableTextBox.TextChanged += EditableTextBox_TextChanged;
 
-            base.OnApplyTemplate();
-
-            if (IsEditable)
-            {
-                _editableTextBox = GetTemplateChild(EditableTextBox) as System.Windows.Controls.TextBox;
-
-                if (_editableTextBox != null)
-                {
-                    _editableTextBox.TextChanged += EditableTextBox_TextChanged;
-
-                    _editableTextBox.SetBinding(SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
+                _editableTextBox.SetBinding(SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
 #if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
-                    _editableTextBox.SetBinding(SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
+                _editableTextBox.SetBinding(SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
 #endif
-                    _editableTextBox.SetBinding(SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
-                    _editableTextBox.SetBinding(CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
+                _editableTextBox.SetBinding(SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
+                _editableTextBox.SetBinding(CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
 
-                    if (AutoComplete)
-                    {
+                if (AutoComplete)
+                {
 #if NET40
-                        _autoCompleteTimer = new DispatcherTimer
-                        {
-                            Interval = TimeSpan.FromMilliseconds(500)
-                        };
-                        _autoCompleteTimer.Tick += AutoCompleteTimer_Tick;
+                    _autoCompleteTimer = new DispatcherTimer
+                    {
+                        Interval = TimeSpan.FromMilliseconds(500)
+                    };
+                    _autoCompleteTimer.Tick += AutoCompleteTimer_Tick;
 #endif
-                        _autoPopupAutoComplete = GetTemplateChild(AutoPopupAutoComplete) as Popup;
-                        _autoCompletePanel = GetTemplateChild(AutoCompletePanel) as Panel;
-                        _editableTextBox.SetBinding(System.Windows.Controls.TextBox.TextProperty, new Binding(SearchTextProperty.Name)
-                        {
-                            UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged,
-                            Mode = BindingMode.OneWayToSource,
+                    _autoPopupAutoComplete = GetTemplateChild(AutoPopupAutoComplete) as Popup;
+                    _autoCompletePanel = GetTemplateChild(AutoCompletePanel) as Panel;
+                    _editableTextBox.SetBinding(System.Windows.Controls.TextBox.TextProperty, new Binding(SearchTextProperty.Name)
+                    {
+                        UpdateSourceTrigger = UpdateSourceTrigger.PropertyChanged,
+                        Mode = BindingMode.OneWayToSource,
 #if !NET40
-                            Delay = 500,
+                        Delay = 500,
 #endif
-                            Source = this
-                        });
-                        _editableTextBox.GotFocus += EditableTextBox_GotFocus;
-                        _editableTextBox.LostFocus += EditableTextBox_LostFocus;
-                    }
+                        Source = this
+                    });
+                    _editableTextBox.GotFocus += EditableTextBox_GotFocus;
+                    _editableTextBox.LostFocus += EditableTextBox_LostFocus;
                 }
             }
         }
+    }
 
 #if NET40
 
-        private void AutoCompleteTimer_Tick(object sender, EventArgs e)
-        {
-            UpdateSearchItems(_searchText);
-            _autoCompleteTimer.Stop();
-        }
+    private void AutoCompleteTimer_Tick(object sender, EventArgs e)
+    {
+        UpdateSearchItems(_searchText);
+        _autoCompleteTimer.Stop();
+    }
 
 #endif
 
-        private void EditableTextBox_TextChanged(object sender, TextChangedEventArgs e)
+    private void EditableTextBox_TextChanged(object sender, TextChangedEventArgs e)
+    {
+        VerifyData();
+    }
+
+    private void EditableTextBox_LostFocus(object sender, RoutedEventArgs e)
+    {
+        if (_autoPopupAutoComplete != null)
         {
-            VerifyData();
+            _autoPopupAutoComplete.IsOpen = false;
+        }
+    }
+
+#if !NET40
+    protected override void OnDropDownClosed(EventArgs e)
+    {
+        base.OnDropDownClosed(e);
+
+        _isAutoCompleteAction = false;
+    }
+#endif
+
+    private void EditableTextBox_GotFocus(object sender, RoutedEventArgs e)
+    {
+        if (_autoPopupAutoComplete != null && _editableTextBox != null &&
+            !string.IsNullOrEmpty(_editableTextBox.Text))
+        {
+            _autoPopupAutoComplete.IsOpen = true;
+        }
+    }
+
+    protected override void OnSelectionChanged(SelectionChangedEventArgs e)
+    {
+        _isAutoCompleteAction = false;
+        base.OnSelectionChanged(e);
+        VerifyData();
+#if NET40
+        _isAutoCompleteAction = true;
+#endif
+    }
+
+    /// <summary>
+    ///     数据验证委托
+    /// </summary>
+    public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
+
+    /// <summary>
+    ///     数据搜索委托
+    /// </summary>
+    public Func<ItemCollection, object, IEnumerable<object>> SearchFunc { get; set; }
+
+    /// <summary>
+    ///     数据是否错误
+    /// </summary>
+    public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
+        "IsError", typeof(bool), typeof(ComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    /// <summary>
+    ///     数据是否错误
+    /// </summary>
+    public bool IsError
+    {
+        get => (bool) GetValue(IsErrorProperty);
+        set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    /// <summary>
+    ///     错误提示
+    /// </summary>
+    public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
+        "ErrorStr", typeof(string), typeof(ComboBox), new PropertyMetadata(default(string)));
+
+    /// <summary>
+    ///     错误提示
+    /// </summary>
+    public string ErrorStr
+    {
+        get => (string) GetValue(ErrorStrProperty);
+        set => SetValue(ErrorStrProperty, value);
+    }
+
+    /// <summary>
+    ///     文本类型
+    /// </summary>
+    public static readonly DependencyPropertyKey TextTypePropertyKey =
+        DependencyProperty.RegisterReadOnly("TextType", typeof(TextType), typeof(ComboBox),
+            new PropertyMetadata(default(TextType)));
+
+    /// <summary>
+    ///     文本类型
+    /// </summary>
+    public static readonly DependencyProperty TextTypeProperty = TextTypePropertyKey.DependencyProperty;
+
+    /// <summary>
+    ///     文本类型
+    /// </summary>
+    public TextType TextType
+    {
+        get => (TextType) GetValue(TextTypeProperty);
+        set => SetValue(TextTypeProperty, value);
+    }
+
+    /// <summary>
+    ///     是否显示清除按钮
+    /// </summary>
+    public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
+        "ShowClearButton", typeof(bool), typeof(ComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    /// <summary>
+    ///     是否显示清除按钮
+    /// </summary>
+    public bool ShowClearButton
+    {
+        get => (bool) GetValue(ShowClearButtonProperty);
+        set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    /// <summary>
+    ///     是否自动完成输入
+    /// </summary>
+    public static readonly DependencyProperty AutoCompleteProperty = DependencyProperty.Register(
+        "AutoComplete", typeof(bool), typeof(ComboBox), new PropertyMetadata(ValueBoxes.FalseBox, OnAutoCompleteChanged));
+
+    private static void OnAutoCompleteChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (ComboBox) d;
+        if (ctl._editableTextBox != null)
+        {
+            ctl.UpdateSearchItems(ctl._editableTextBox.Text);
+        }
+    }
+
+    /// <summary>
+    ///     是否自动完成输入
+    /// </summary>
+    public bool AutoComplete
+    {
+        get => (bool) GetValue(AutoCompleteProperty);
+        set => SetValue(AutoCompleteProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    /// <summary>
+    ///     搜索文本
+    /// </summary>
+    internal static readonly DependencyProperty SearchTextProperty = DependencyProperty.Register(
+        "SearchText", typeof(string), typeof(ComboBox), new PropertyMetadata(default(string), OnSearchTextChanged));
+
+    private static void OnSearchTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (ComboBox) d;
+        if (ctl._isAutoCompleteAction)
+        {
+#if NET40
+            ctl._searchText = e.NewValue as string;
+            ctl._autoCompleteTimer.Stop();
+            ctl._autoCompleteTimer.Start();
+#else
+            ctl.UpdateSearchItems(e.NewValue as string);
+#endif
         }
 
-        private void EditableTextBox_LostFocus(object sender, RoutedEventArgs e)
+        ctl._isAutoCompleteAction = true;
+    }
+
+    /// <summary>
+    ///     搜索文本
+    /// </summary>
+    internal string SearchText
+    {
+        get => (string) GetValue(SearchTextProperty);
+        set => SetValue(SearchTextProperty, value);
+    }
+
+    public static readonly DependencyProperty SelectionBrushProperty =
+        TextBoxBase.SelectionBrushProperty.AddOwner(typeof(ComboBox));
+
+    public Brush SelectionBrush
+    {
+        get => (Brush) GetValue(SelectionBrushProperty);
+        set => SetValue(SelectionBrushProperty, value);
+    }
+
+#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
+
+    public static readonly DependencyProperty SelectionTextBrushProperty =
+        TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(ComboBox));
+
+    public Brush SelectionTextBrush
+    {
+        get => (Brush) GetValue(SelectionTextBrushProperty);
+        set => SetValue(SelectionTextBrushProperty, value);
+    }
+
+#endif
+
+    public static readonly DependencyProperty SelectionOpacityProperty =
+        TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(ComboBox));
+
+    public double SelectionOpacity
+    {
+        get => (double) GetValue(SelectionOpacityProperty);
+        set => SetValue(SelectionOpacityProperty, value);
+    }
+
+    public static readonly DependencyProperty CaretBrushProperty =
+        TextBoxBase.CaretBrushProperty.AddOwner(typeof(ComboBox));
+
+    public Brush CaretBrush
+    {
+        get => (Brush) GetValue(CaretBrushProperty);
+        set => SetValue(CaretBrushProperty, value);
+    }
+
+    /// <summary>
+    ///     验证数据
+    /// </summary>
+    /// <returns></returns>
+    public virtual bool VerifyData()
+    {
+        OperationResult<bool> result;
+
+        var value = _editableTextBox == null ? Text : _editableTextBox.Text;
+
+        if (VerifyFunc != null)
+        {
+            result = VerifyFunc.Invoke(value);
+        }
+        else
+        {
+            if (!string.IsNullOrEmpty(value))
+            {
+                result = OperationResult.Success();
+            }
+            else if (InfoElement.GetNecessary(this))
+            {
+                result = OperationResult.Failed(Properties.Langs.Lang.IsNecessary);
+            }
+            else
+            {
+                result = OperationResult.Success();
+            }
+        }
+
+        var isError = !result.Data;
+        if (isError)
+        {
+            SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
+            SetCurrentValue(ErrorStrProperty, result.Message);
+        }
+        else
+        {
+            isError = Validation.GetHasError(this);
+            if (isError)
+            {
+                SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
+            }
+            else
+            {
+                SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
+                SetCurrentValue(ErrorStrProperty, default(string));
+            }
+        }
+
+        return !isError;
+    }
+
+    /// <summary>
+    ///     更新搜索的项目
+    /// </summary>
+    /// <param name="key"></param>
+    private void UpdateSearchItems(string key)
+    {
+        if (_editableTextBox != null && _autoPopupAutoComplete != null)
+        {
+            _autoPopupAutoComplete.IsOpen = !string.IsNullOrEmpty(key);
+            _autoCompletePanel.Children.Clear();
+
+            if (SearchFunc == null)
+            {
+                if (!string.IsNullOrEmpty(key))
+                {
+                    foreach (var item in Items)
+                    {
+                        var content = item?.ToString();
+                        if (content == null) continue;
+                        if (!content.Contains(key)) continue;
+
+                        _autoCompletePanel.Children.Add(CreateSearchItem(item));
+                    }
+                }
+            }
+            else
+            {
+                foreach (var item in SearchFunc.Invoke(Items, key))
+                {
+                    _autoCompletePanel.Children.Add(CreateSearchItem(item));
+                }
+            }
+        }
+    }
+
+    private ComboBoxItem CreateSearchItem(object content)
+    {
+        var item = new ComboBoxItem
+        {
+            Content = content,
+            Style = ItemContainerStyle,
+            ContentTemplate = ItemTemplate
+        };
+
+        item.PreviewMouseLeftButtonDown += AutoCompleteItem_PreviewMouseLeftButtonDown;
+
+        return item;
+    }
+
+    private void AutoCompleteItem_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
+    {
+        if (sender is ComboBoxItem comboBoxItem)
         {
             if (_autoPopupAutoComplete != null)
             {
                 _autoPopupAutoComplete.IsOpen = false;
             }
-        }
-
-#if !NET40
-        protected override void OnDropDownClosed(EventArgs e)
-        {
-            base.OnDropDownClosed(e);
 
             _isAutoCompleteAction = false;
-        }
-#endif
-
-        private void EditableTextBox_GotFocus(object sender, RoutedEventArgs e)
-        {
-            if (_autoPopupAutoComplete != null && _editableTextBox != null &&
-                !string.IsNullOrEmpty(_editableTextBox.Text))
-            {
-                _autoPopupAutoComplete.IsOpen = true;
-            }
-        }
-
-        protected override void OnSelectionChanged(SelectionChangedEventArgs e)
-        {
-            _isAutoCompleteAction = false;
-            base.OnSelectionChanged(e);
-            VerifyData();
-#if NET40
-            _isAutoCompleteAction = true;
-#endif
-        }
-
-        /// <summary>
-        ///     数据验证委托
-        /// </summary>
-        public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
-
-        /// <summary>
-        ///     数据搜索委托
-        /// </summary>
-        public Func<ItemCollection, object, IEnumerable<object>> SearchFunc { get; set; }
-
-        /// <summary>
-        ///     数据是否错误
-        /// </summary>
-        public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
-            "IsError", typeof(bool), typeof(ComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        /// <summary>
-        ///     数据是否错误
-        /// </summary>
-        public bool IsError
-        {
-            get => (bool) GetValue(IsErrorProperty);
-            set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        /// <summary>
-        ///     错误提示
-        /// </summary>
-        public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
-            "ErrorStr", typeof(string), typeof(ComboBox), new PropertyMetadata(default(string)));
-
-        /// <summary>
-        ///     错误提示
-        /// </summary>
-        public string ErrorStr
-        {
-            get => (string) GetValue(ErrorStrProperty);
-            set => SetValue(ErrorStrProperty, value);
-        }
-
-        /// <summary>
-        ///     文本类型
-        /// </summary>
-        public static readonly DependencyPropertyKey TextTypePropertyKey =
-            DependencyProperty.RegisterReadOnly("TextType", typeof(TextType), typeof(ComboBox),
-                new PropertyMetadata(default(TextType)));
-
-        /// <summary>
-        ///     文本类型
-        /// </summary>
-        public static readonly DependencyProperty TextTypeProperty = TextTypePropertyKey.DependencyProperty;
-
-        /// <summary>
-        ///     文本类型
-        /// </summary>
-        public TextType TextType
-        {
-            get => (TextType) GetValue(TextTypeProperty);
-            set => SetValue(TextTypeProperty, value);
-        }
-
-        /// <summary>
-        ///     是否显示清除按钮
-        /// </summary>
-        public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
-            "ShowClearButton", typeof(bool), typeof(ComboBox), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        /// <summary>
-        ///     是否显示清除按钮
-        /// </summary>
-        public bool ShowClearButton
-        {
-            get => (bool) GetValue(ShowClearButtonProperty);
-            set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        /// <summary>
-        ///     是否自动完成输入
-        /// </summary>
-        public static readonly DependencyProperty AutoCompleteProperty = DependencyProperty.Register(
-            "AutoComplete", typeof(bool), typeof(ComboBox), new PropertyMetadata(ValueBoxes.FalseBox, OnAutoCompleteChanged));
-
-        private static void OnAutoCompleteChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (ComboBox) d;
-            if (ctl._editableTextBox != null)
-            {
-                ctl.UpdateSearchItems(ctl._editableTextBox.Text);
-            }
-        }
-
-        /// <summary>
-        ///     是否自动完成输入
-        /// </summary>
-        public bool AutoComplete
-        {
-            get => (bool) GetValue(AutoCompleteProperty);
-            set => SetValue(AutoCompleteProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        /// <summary>
-        ///     搜索文本
-        /// </summary>
-        internal static readonly DependencyProperty SearchTextProperty = DependencyProperty.Register(
-            "SearchText", typeof(string), typeof(ComboBox), new PropertyMetadata(default(string), OnSearchTextChanged));
-
-        private static void OnSearchTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (ComboBox) d;
-            if (ctl._isAutoCompleteAction)
-            {
-#if NET40
-                ctl._searchText = e.NewValue as string;
-                ctl._autoCompleteTimer.Stop();
-                ctl._autoCompleteTimer.Start();
-#else
-                ctl.UpdateSearchItems(e.NewValue as string);
-#endif
-            }
-
-            ctl._isAutoCompleteAction = true;
-        }
-
-        /// <summary>
-        ///     搜索文本
-        /// </summary>
-        internal string SearchText
-        {
-            get => (string) GetValue(SearchTextProperty);
-            set => SetValue(SearchTextProperty, value);
-        }
-
-        public static readonly DependencyProperty SelectionBrushProperty =
-            TextBoxBase.SelectionBrushProperty.AddOwner(typeof(ComboBox));
-
-        public Brush SelectionBrush
-        {
-            get => (Brush) GetValue(SelectionBrushProperty);
-            set => SetValue(SelectionBrushProperty, value);
-        }
-
-#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
-
-        public static readonly DependencyProperty SelectionTextBrushProperty =
-            TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(ComboBox));
-
-        public Brush SelectionTextBrush
-        {
-            get => (Brush) GetValue(SelectionTextBrushProperty);
-            set => SetValue(SelectionTextBrushProperty, value);
-        }
-
-#endif
-
-        public static readonly DependencyProperty SelectionOpacityProperty =
-            TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(ComboBox));
-
-        public double SelectionOpacity
-        {
-            get => (double) GetValue(SelectionOpacityProperty);
-            set => SetValue(SelectionOpacityProperty, value);
-        }
-
-        public static readonly DependencyProperty CaretBrushProperty =
-            TextBoxBase.CaretBrushProperty.AddOwner(typeof(ComboBox));
-
-        public Brush CaretBrush
-        {
-            get => (Brush) GetValue(CaretBrushProperty);
-            set => SetValue(CaretBrushProperty, value);
-        }
-
-        /// <summary>
-        ///     验证数据
-        /// </summary>
-        /// <returns></returns>
-        public virtual bool VerifyData()
-        {
-            OperationResult<bool> result;
-
-            var value = _editableTextBox == null ? Text : _editableTextBox.Text;
-
-            if (VerifyFunc != null)
-            {
-                result = VerifyFunc.Invoke(value);
-            }
-            else
-            {
-                if (!string.IsNullOrEmpty(value))
-                {
-                    result = OperationResult.Success();
-                }
-                else if (InfoElement.GetNecessary(this))
-                {
-                    result = OperationResult.Failed(Properties.Langs.Lang.IsNecessary);
-                }
-                else
-                {
-                    result = OperationResult.Success();
-                }
-            }
-
-            var isError = !result.Data;
-            if (isError)
-            {
-                SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
-                SetCurrentValue(ErrorStrProperty, result.Message);
-            }
-            else
-            {
-                isError = Validation.GetHasError(this);
-                if (isError)
-                {
-                    SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
-                }
-                else
-                {
-                    SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
-                    SetCurrentValue(ErrorStrProperty, default(string));
-                }
-            }
-
-            return !isError;
-        }
-
-        /// <summary>
-        ///     更新搜索的项目
-        /// </summary>
-        /// <param name="key"></param>
-        private void UpdateSearchItems(string key)
-        {
-            if (_editableTextBox != null && _autoPopupAutoComplete != null)
-            {
-                _autoPopupAutoComplete.IsOpen = !string.IsNullOrEmpty(key);
-                _autoCompletePanel.Children.Clear();
-
-                if (SearchFunc == null)
-                {
-                    if (!string.IsNullOrEmpty(key))
-                    {
-                        foreach (var item in Items)
-                        {
-                            var content = item?.ToString();
-                            if (content == null) continue;
-                            if (!content.Contains(key)) continue;
-
-                            _autoCompletePanel.Children.Add(CreateSearchItem(item));
-                        }
-                    }
-                }
-                else
-                {
-                    foreach (var item in SearchFunc.Invoke(Items, key))
-                    {
-                        _autoCompletePanel.Children.Add(CreateSearchItem(item));
-                    }
-                }
-            }
-        }
-
-        private ComboBoxItem CreateSearchItem(object content)
-        {
-            var item = new ComboBoxItem
-            {
-                Content = content,
-                Style = ItemContainerStyle,
-                ContentTemplate = ItemTemplate
-            };
-
-            item.PreviewMouseLeftButtonDown += AutoCompleteItem_PreviewMouseLeftButtonDown;
-
-            return item;
-        }
-
-        private void AutoCompleteItem_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
-        {
-            if (sender is ComboBoxItem comboBoxItem)
-            {
-                if (_autoPopupAutoComplete != null)
-                {
-                    _autoPopupAutoComplete.IsOpen = false;
-                }
-
-                _isAutoCompleteAction = false;
-                SelectedValue = comboBoxItem.Content;
-            }
+            SelectedValue = comboBoxItem.Content;
         }
     }
 }

src/Shared/HandyControl_Shared/Controls/Input/DatePicker.cs

@@ -8,171 +8,170 @@ using System.Windows.Media;
 using HandyControl.Data;
 using HandyControl.Interactivity;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[TemplatePart(Name = ElementTextBox, Type = typeof(DatePickerTextBox))]
+public class DatePicker : System.Windows.Controls.DatePicker, IDataInput
 {
-    [TemplatePart(Name = ElementTextBox, Type = typeof(DatePickerTextBox))]
-    public class DatePicker : System.Windows.Controls.DatePicker, IDataInput
+    private const string ElementTextBox = "PART_TextBox";
+
+    private System.Windows.Controls.TextBox _textBox;
+
+    public DatePicker()
     {
-        private const string ElementTextBox = "PART_TextBox";
-
-        private System.Windows.Controls.TextBox _textBox;
-
-        public DatePicker()
+        CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
         {
-            CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
-            {
-                SetCurrentValue(SelectedDateProperty, null);
-                SetCurrentValue(TextProperty, "");
-            }));
+            SetCurrentValue(SelectedDateProperty, null);
+            SetCurrentValue(TextProperty, "");
+        }));
+    }
+
+    public override void OnApplyTemplate()
+    {
+        if (_textBox != null)
+        {
+            _textBox.TextChanged -= TextBox_TextChanged;
         }
 
-        public override void OnApplyTemplate()
+        base.OnApplyTemplate();
+
+        _textBox = GetTemplateChild(ElementTextBox) as System.Windows.Controls.TextBox;
+        if (_textBox != null)
         {
-            if (_textBox != null)
-            {
-                _textBox.TextChanged -= TextBox_TextChanged;
-            }
-
-            base.OnApplyTemplate();
-
-            _textBox = GetTemplateChild(ElementTextBox) as System.Windows.Controls.TextBox;
-            if (_textBox != null)
-            {
-                _textBox.SetBinding(SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
+            _textBox.SetBinding(SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
 #if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
-                _textBox.SetBinding(SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
+            _textBox.SetBinding(SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
 #endif
-                _textBox.SetBinding(SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
-                _textBox.SetBinding(CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
+            _textBox.SetBinding(SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
+            _textBox.SetBinding(CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
 
-                _textBox.TextChanged += TextBox_TextChanged;
-            }
-        }
-
-        private void TextBox_TextChanged(object sender, TextChangedEventArgs e) => VerifyData();
-
-        public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
-
-        public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
-            "IsError", typeof(bool), typeof(DatePicker), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool IsError
-        {
-            get => (bool) GetValue(IsErrorProperty);
-            set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
-            "ErrorStr", typeof(string), typeof(DatePicker), new PropertyMetadata(default(string)));
-
-        public string ErrorStr
-        {
-            get => (string) GetValue(ErrorStrProperty);
-            set => SetValue(ErrorStrProperty, value);
-        }
-
-        public static readonly DependencyProperty TextTypeProperty = DependencyProperty.Register(
-            "TextType", typeof(TextType), typeof(DatePicker), new PropertyMetadata(default(TextType)));
-
-        public TextType TextType
-        {
-            get => (TextType) GetValue(TextTypeProperty);
-            set => SetValue(TextTypeProperty, value);
-        }
-
-        public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
-            "ShowClearButton", typeof(bool), typeof(DatePicker), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool ShowClearButton
-        {
-            get => (bool) GetValue(ShowClearButtonProperty);
-            set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty SelectionBrushProperty =
-            TextBoxBase.SelectionBrushProperty.AddOwner(typeof(DatePicker));
-
-        public Brush SelectionBrush
-        {
-            get => (Brush) GetValue(SelectionBrushProperty);
-            set => SetValue(SelectionBrushProperty, value);
-        }
-
-#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
-
-        public static readonly DependencyProperty SelectionTextBrushProperty =
-            TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(DatePicker));
-
-        public Brush SelectionTextBrush
-        {
-            get => (Brush) GetValue(SelectionTextBrushProperty);
-            set => SetValue(SelectionTextBrushProperty, value);
-        }
-
-#endif
-
-        public static readonly DependencyProperty SelectionOpacityProperty =
-            TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(DatePicker));
-
-        public double SelectionOpacity
-        {
-            get => (double) GetValue(SelectionOpacityProperty);
-            set => SetValue(SelectionOpacityProperty, value);
-        }
-
-        public static readonly DependencyProperty CaretBrushProperty =
-            TextBoxBase.CaretBrushProperty.AddOwner(typeof(DatePicker));
-
-        public Brush CaretBrush
-        {
-            get => (Brush) GetValue(CaretBrushProperty);
-            set => SetValue(CaretBrushProperty, value);
-        }
-
-        public virtual bool VerifyData()
-        {
-            OperationResult<bool> result;
-
-            if (VerifyFunc != null)
-            {
-                result = VerifyFunc.Invoke(Text);
-            }
-            else
-            {
-                if (!string.IsNullOrEmpty(Text))
-                {
-                    result = OperationResult.Success();
-                }
-                else if (InfoElement.GetNecessary(this))
-                {
-                    result = OperationResult.Failed(Properties.Langs.Lang.IsNecessary);
-                }
-                else
-                {
-                    result = OperationResult.Success();
-                }
-            }
-
-            var isError = !result.Data;
-            if (isError)
-            {
-                SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
-                SetCurrentValue(ErrorStrProperty, result.Message);
-            }
-            else
-            {
-                isError = Validation.GetHasError(this);
-                if (isError)
-                {
-                    SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
-                }
-                else
-                {
-                    SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
-                    SetCurrentValue(ErrorStrProperty, default(string));
-                }
-            }
-            return !isError;
+            _textBox.TextChanged += TextBox_TextChanged;
         }
     }
+
+    private void TextBox_TextChanged(object sender, TextChangedEventArgs e) => VerifyData();
+
+    public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
+
+    public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
+        "IsError", typeof(bool), typeof(DatePicker), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool IsError
+    {
+        get => (bool) GetValue(IsErrorProperty);
+        set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
+        "ErrorStr", typeof(string), typeof(DatePicker), new PropertyMetadata(default(string)));
+
+    public string ErrorStr
+    {
+        get => (string) GetValue(ErrorStrProperty);
+        set => SetValue(ErrorStrProperty, value);
+    }
+
+    public static readonly DependencyProperty TextTypeProperty = DependencyProperty.Register(
+        "TextType", typeof(TextType), typeof(DatePicker), new PropertyMetadata(default(TextType)));
+
+    public TextType TextType
+    {
+        get => (TextType) GetValue(TextTypeProperty);
+        set => SetValue(TextTypeProperty, value);
+    }
+
+    public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
+        "ShowClearButton", typeof(bool), typeof(DatePicker), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool ShowClearButton
+    {
+        get => (bool) GetValue(ShowClearButtonProperty);
+        set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty SelectionBrushProperty =
+        TextBoxBase.SelectionBrushProperty.AddOwner(typeof(DatePicker));
+
+    public Brush SelectionBrush
+    {
+        get => (Brush) GetValue(SelectionBrushProperty);
+        set => SetValue(SelectionBrushProperty, value);
+    }
+
+#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
+
+    public static readonly DependencyProperty SelectionTextBrushProperty =
+        TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(DatePicker));
+
+    public Brush SelectionTextBrush
+    {
+        get => (Brush) GetValue(SelectionTextBrushProperty);
+        set => SetValue(SelectionTextBrushProperty, value);
+    }
+
+#endif
+
+    public static readonly DependencyProperty SelectionOpacityProperty =
+        TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(DatePicker));
+
+    public double SelectionOpacity
+    {
+        get => (double) GetValue(SelectionOpacityProperty);
+        set => SetValue(SelectionOpacityProperty, value);
+    }
+
+    public static readonly DependencyProperty CaretBrushProperty =
+        TextBoxBase.CaretBrushProperty.AddOwner(typeof(DatePicker));
+
+    public Brush CaretBrush
+    {
+        get => (Brush) GetValue(CaretBrushProperty);
+        set => SetValue(CaretBrushProperty, value);
+    }
+
+    public virtual bool VerifyData()
+    {
+        OperationResult<bool> result;
+
+        if (VerifyFunc != null)
+        {
+            result = VerifyFunc.Invoke(Text);
+        }
+        else
+        {
+            if (!string.IsNullOrEmpty(Text))
+            {
+                result = OperationResult.Success();
+            }
+            else if (InfoElement.GetNecessary(this))
+            {
+                result = OperationResult.Failed(Properties.Langs.Lang.IsNecessary);
+            }
+            else
+            {
+                result = OperationResult.Success();
+            }
+        }
+
+        var isError = !result.Data;
+        if (isError)
+        {
+            SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
+            SetCurrentValue(ErrorStrProperty, result.Message);
+        }
+        else
+        {
+            isError = Validation.GetHasError(this);
+            if (isError)
+            {
+                SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
+            }
+            else
+            {
+                SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
+                SetCurrentValue(ErrorStrProperty, default(string));
+            }
+        }
+        return !isError;
+    }
 }

src/Shared/HandyControl_Shared/Controls/Input/IDataInput.cs

@@ -2,42 +2,41 @@
 using HandyControl.Data;
 
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     表示可以成为一个数据输入控件
+/// </summary>
+public interface IDataInput
 {
     /// <summary>
-    ///     表示可以成为一个数据输入控件
+    ///     验证数据
     /// </summary>
-    public interface IDataInput
-    {
-        /// <summary>
-        ///     验证数据
-        /// </summary>
-        /// <returns></returns>
-        bool VerifyData();
+    /// <returns></returns>
+    bool VerifyData();
 
-        /// <summary>
-        ///     数据验证委托
-        /// </summary>
-        Func<string, OperationResult<bool>> VerifyFunc { get; set; }
+    /// <summary>
+    ///     数据验证委托
+    /// </summary>
+    Func<string, OperationResult<bool>> VerifyFunc { get; set; }
 
-        /// <summary>
-        ///     数据是否错误
-        /// </summary>
-        bool IsError { get; set; }
+    /// <summary>
+    ///     数据是否错误
+    /// </summary>
+    bool IsError { get; set; }
 
-        /// <summary>
-        ///     错误提示
-        /// </summary>
-        string ErrorStr { get; set; }
+    /// <summary>
+    ///     错误提示
+    /// </summary>
+    string ErrorStr { get; set; }
 
-        /// <summary>
-        ///     文本类型
-        /// </summary>
-        TextType TextType { get; set; }
+    /// <summary>
+    ///     文本类型
+    /// </summary>
+    TextType TextType { get; set; }
 
-        /// <summary>
-        ///     是否显示清除按钮
-        /// </summary>
-        bool ShowClearButton { get; set; }
-    }
+    /// <summary>
+    ///     是否显示清除按钮
+    /// </summary>
+    bool ShowClearButton { get; set; }
 }

src/Shared/HandyControl_Shared/Controls/Input/ImageSelector.cs

@@ -8,130 +8,129 @@ using HandyControl.Data;
 using HandyControl.Interactivity;
 using Microsoft.Win32;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class ImageSelector : Control
 {
-    public class ImageSelector : Control
+    public static readonly RoutedEvent ImageSelectedEvent =
+        EventManager.RegisterRoutedEvent("ImageSelected", RoutingStrategy.Bubble,
+            typeof(RoutedEventHandler), typeof(ImageSelector));
+
+    public event RoutedEventHandler ImageSelected
     {
-        public static readonly RoutedEvent ImageSelectedEvent =
-            EventManager.RegisterRoutedEvent("ImageSelected", RoutingStrategy.Bubble,
-                typeof(RoutedEventHandler), typeof(ImageSelector));
+        add => AddHandler(ImageSelectedEvent, value);
+        remove => RemoveHandler(ImageSelectedEvent, value);
+    }
 
-        public event RoutedEventHandler ImageSelected
+    public ImageSelector() => CommandBindings.Add(new CommandBinding(ControlCommands.Switch, SwitchImage));
+
+    private void SwitchImage(object sender, ExecutedRoutedEventArgs e)
+    {
+        if (!HasValue)
         {
-            add => AddHandler(ImageSelectedEvent, value);
-            remove => RemoveHandler(ImageSelectedEvent, value);
-        }
-
-        public ImageSelector() => CommandBindings.Add(new CommandBinding(ControlCommands.Switch, SwitchImage));
-
-        private void SwitchImage(object sender, ExecutedRoutedEventArgs e)
-        {
-            if (!HasValue)
+            var dialog = new OpenFileDialog
             {
-                var dialog = new OpenFileDialog
-                {
-                    RestoreDirectory = true,
-                    Filter = Filter,
-                    DefaultExt = DefaultExt
-                };
+                RestoreDirectory = true,
+                Filter = Filter,
+                DefaultExt = DefaultExt
+            };
 
-                if (dialog.ShowDialog() == true)
-                {
-                    SetValue(UriPropertyKey, new Uri(dialog.FileName, UriKind.RelativeOrAbsolute));
-                    SetValue(PreviewBrushPropertyKey, new ImageBrush(BitmapFrame.Create(Uri, BitmapCreateOptions.IgnoreImageCache, BitmapCacheOption.None))
-                    {
-                        Stretch = Stretch
-                    });
-                    SetValue(HasValuePropertyKey, ValueBoxes.TrueBox);
-                    SetCurrentValue(ToolTipProperty, dialog.FileName);
-                    RaiseEvent(new RoutedEventArgs(ImageSelectedEvent, this));
-                }
-            }
-            else
+            if (dialog.ShowDialog() == true)
             {
-                SetValue(UriPropertyKey, default(Uri));
-                SetValue(PreviewBrushPropertyKey, default(Brush));
-                SetValue(HasValuePropertyKey, ValueBoxes.FalseBox);
-                SetCurrentValue(ToolTipProperty, default);
+                SetValue(UriPropertyKey, new Uri(dialog.FileName, UriKind.RelativeOrAbsolute));
+                SetValue(PreviewBrushPropertyKey, new ImageBrush(BitmapFrame.Create(Uri, BitmapCreateOptions.IgnoreImageCache, BitmapCacheOption.None))
+                {
+                    Stretch = Stretch
+                });
+                SetValue(HasValuePropertyKey, ValueBoxes.TrueBox);
+                SetCurrentValue(ToolTipProperty, dialog.FileName);
+                RaiseEvent(new RoutedEventArgs(ImageSelectedEvent, this));
             }
         }
-
-        public static readonly DependencyProperty StretchProperty = DependencyProperty.Register(
-            "Stretch", typeof(Stretch), typeof(ImageSelector), new PropertyMetadata(default(Stretch)));
-
-        public Stretch Stretch
+        else
         {
-            get => (Stretch) GetValue(StretchProperty);
-            set => SetValue(StretchProperty, value);
-        }
-
-        public static readonly DependencyPropertyKey UriPropertyKey = DependencyProperty.RegisterReadOnly(
-            "Uri", typeof(Uri), typeof(ImageSelector), new PropertyMetadata(default(Uri)));
-
-        public static readonly DependencyProperty UriProperty = UriPropertyKey.DependencyProperty;
-
-        public Uri Uri
-        {
-            get => (Uri) GetValue(UriProperty);
-            set => SetValue(UriProperty, value);
-        }
-
-        public static readonly DependencyPropertyKey PreviewBrushPropertyKey = DependencyProperty.RegisterReadOnly(
-            "PreviewBrush", typeof(Brush), typeof(ImageSelector), new PropertyMetadata(default(Brush)));
-
-        public static readonly DependencyProperty PreviewBrushProperty = PreviewBrushPropertyKey.DependencyProperty;
-
-        public Brush PreviewBrush
-        {
-            get => (Brush) GetValue(PreviewBrushProperty);
-            set => SetValue(PreviewBrushProperty, value);
-        }
-
-        public static readonly DependencyProperty StrokeThicknessProperty = DependencyProperty.Register(
-            "StrokeThickness", typeof(double), typeof(ImageSelector), new FrameworkPropertyMetadata(ValueBoxes.Double1Box, FrameworkPropertyMetadataOptions.AffectsRender));
-
-        public double StrokeThickness
-        {
-            get => (double) GetValue(StrokeThicknessProperty);
-            set => SetValue(StrokeThicknessProperty, value);
-        }
-
-        public static readonly DependencyProperty StrokeDashArrayProperty = DependencyProperty.Register(
-            "StrokeDashArray", typeof(DoubleCollection), typeof(ImageSelector), new FrameworkPropertyMetadata(default(DoubleCollection), FrameworkPropertyMetadataOptions.AffectsRender));
-
-        public DoubleCollection StrokeDashArray
-        {
-            get => (DoubleCollection) GetValue(StrokeDashArrayProperty);
-            set => SetValue(StrokeDashArrayProperty, value);
-        }
-
-        public static readonly DependencyProperty DefaultExtProperty = DependencyProperty.Register(
-            "DefaultExt", typeof(string), typeof(ImageSelector), new PropertyMetadata(".jpg"));
-
-        public string DefaultExt
-        {
-            get => (string) GetValue(DefaultExtProperty);
-            set => SetValue(DefaultExtProperty, value);
-        }
-
-        public static readonly DependencyProperty FilterProperty = DependencyProperty.Register(
-            "Filter", typeof(string), typeof(ImageSelector), new PropertyMetadata("(.jpg)|*.jpg|(.png)|*.png"));
-
-        public string Filter
-        {
-            get => (string) GetValue(FilterProperty);
-            set => SetValue(FilterProperty, value);
-        }
-
-        public static readonly DependencyPropertyKey HasValuePropertyKey = DependencyProperty.RegisterReadOnly(
-            "HasValue", typeof(bool), typeof(ImageSelector), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public static readonly DependencyProperty HasValueProperty = HasValuePropertyKey.DependencyProperty;
-
-        public bool HasValue
-        {
-            get => (bool) GetValue(HasValueProperty);
-            set => SetValue(HasValueProperty, ValueBoxes.BooleanBox(value));
+            SetValue(UriPropertyKey, default(Uri));
+            SetValue(PreviewBrushPropertyKey, default(Brush));
+            SetValue(HasValuePropertyKey, ValueBoxes.FalseBox);
+            SetCurrentValue(ToolTipProperty, default);
         }
     }
+
+    public static readonly DependencyProperty StretchProperty = DependencyProperty.Register(
+        "Stretch", typeof(Stretch), typeof(ImageSelector), new PropertyMetadata(default(Stretch)));
+
+    public Stretch Stretch
+    {
+        get => (Stretch) GetValue(StretchProperty);
+        set => SetValue(StretchProperty, value);
+    }
+
+    public static readonly DependencyPropertyKey UriPropertyKey = DependencyProperty.RegisterReadOnly(
+        "Uri", typeof(Uri), typeof(ImageSelector), new PropertyMetadata(default(Uri)));
+
+    public static readonly DependencyProperty UriProperty = UriPropertyKey.DependencyProperty;
+
+    public Uri Uri
+    {
+        get => (Uri) GetValue(UriProperty);
+        set => SetValue(UriProperty, value);
+    }
+
+    public static readonly DependencyPropertyKey PreviewBrushPropertyKey = DependencyProperty.RegisterReadOnly(
+        "PreviewBrush", typeof(Brush), typeof(ImageSelector), new PropertyMetadata(default(Brush)));
+
+    public static readonly DependencyProperty PreviewBrushProperty = PreviewBrushPropertyKey.DependencyProperty;
+
+    public Brush PreviewBrush
+    {
+        get => (Brush) GetValue(PreviewBrushProperty);
+        set => SetValue(PreviewBrushProperty, value);
+    }
+
+    public static readonly DependencyProperty StrokeThicknessProperty = DependencyProperty.Register(
+        "StrokeThickness", typeof(double), typeof(ImageSelector), new FrameworkPropertyMetadata(ValueBoxes.Double1Box, FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public double StrokeThickness
+    {
+        get => (double) GetValue(StrokeThicknessProperty);
+        set => SetValue(StrokeThicknessProperty, value);
+    }
+
+    public static readonly DependencyProperty StrokeDashArrayProperty = DependencyProperty.Register(
+        "StrokeDashArray", typeof(DoubleCollection), typeof(ImageSelector), new FrameworkPropertyMetadata(default(DoubleCollection), FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public DoubleCollection StrokeDashArray
+    {
+        get => (DoubleCollection) GetValue(StrokeDashArrayProperty);
+        set => SetValue(StrokeDashArrayProperty, value);
+    }
+
+    public static readonly DependencyProperty DefaultExtProperty = DependencyProperty.Register(
+        "DefaultExt", typeof(string), typeof(ImageSelector), new PropertyMetadata(".jpg"));
+
+    public string DefaultExt
+    {
+        get => (string) GetValue(DefaultExtProperty);
+        set => SetValue(DefaultExtProperty, value);
+    }
+
+    public static readonly DependencyProperty FilterProperty = DependencyProperty.Register(
+        "Filter", typeof(string), typeof(ImageSelector), new PropertyMetadata("(.jpg)|*.jpg|(.png)|*.png"));
+
+    public string Filter
+    {
+        get => (string) GetValue(FilterProperty);
+        set => SetValue(FilterProperty, value);
+    }
+
+    public static readonly DependencyPropertyKey HasValuePropertyKey = DependencyProperty.RegisterReadOnly(
+        "HasValue", typeof(bool), typeof(ImageSelector), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public static readonly DependencyProperty HasValueProperty = HasValuePropertyKey.DependencyProperty;
+
+    public bool HasValue
+    {
+        get => (bool) GetValue(HasValueProperty);
+        set => SetValue(HasValueProperty, ValueBoxes.BooleanBox(value));
+    }
 }

src/Shared/HandyControl_Shared/Controls/Input/NumericUpDown.cs

@@ -9,512 +9,334 @@ using HandyControl.Data;
 using HandyControl.Interactivity;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     数值选择控件
+/// </summary>
+[TemplatePart(Name = ElementTextBox, Type = typeof(TextBox))]
+public class NumericUpDown : Control
 {
-    /// <summary>
-    ///     数值选择控件
-    /// </summary>
-    [TemplatePart(Name = ElementTextBox, Type = typeof(TextBox))]
-    [TemplatePart(Name = ElementErrorTip, Type = typeof(UIElement))]
-    public class NumericUpDown : Control, IDataInput
+    private const string ElementTextBox = "PART_TextBox";
+
+    private TextBox _textBox;
+
+    public NumericUpDown()
     {
-        #region Constants
-
-        private const string ElementTextBox = "PART_TextBox";
-
-        private const string ElementErrorTip = "PART_ErrorTip";
-
-        #endregion Constants
-
-        #region Data
-
-        private TextBox _textBox;
-
-        private UIElement _errorTip;
-
-        private bool _updateText;
-
-        #endregion Data
-
-        public NumericUpDown()
-        {
-            CommandBindings.Add(new CommandBinding(ControlCommands.Prev, (s, e) =>
-            {
-                if (IsReadOnly) return;
-
-                Value += Increment;
-            }));
-            CommandBindings.Add(new CommandBinding(ControlCommands.Next, (s, e) =>
-            {
-                if (IsReadOnly) return;
-
-                Value -= Increment;
-            }));
-            CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
-            {
-                if (IsReadOnly) return;
-
-                SetCurrentValue(ValueProperty, ValueBoxes.Double0Box);
-            }));
-
-            Loaded += (s, e) => OnApplyTemplate();
-        }
-
-        protected override void OnGotFocus(RoutedEventArgs e)
-        {
-            base.OnGotFocus(e);
-
-            if (_textBox != null)
-            {
-                _textBox?.Focus();
-                _textBox.Select(_textBox.Text.Length, 0);
-            }
-        }
-
-        public override void OnApplyTemplate()
-        {
-            if (_textBox != null)
-            {
-                TextCompositionManager.RemovePreviewTextInputHandler(_textBox, PreviewTextInputHandler);
-                _textBox.TextChanged -= TextBox_TextChanged;
-                _textBox.PreviewKeyDown -= TextBox_PreviewKeyDown;
-                _textBox.LostFocus -= TextBox_LostFocus;
-            }
-
-            base.OnApplyTemplate();
-
-            _textBox = GetTemplateChild(ElementTextBox) as TextBox;
-            _errorTip = GetTemplateChild(ElementErrorTip) as UIElement;
-
-            if (_textBox != null)
-            {
-                _textBox.SetBinding(SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
-#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
-                _textBox.SetBinding(SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
-#endif
-                _textBox.SetBinding(SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
-                _textBox.SetBinding(CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
-
-                TextCompositionManager.AddPreviewTextInputHandler(_textBox, PreviewTextInputHandler);
-                _textBox.TextChanged += TextBox_TextChanged;
-                _textBox.PreviewKeyDown += TextBox_PreviewKeyDown;
-                _textBox.LostFocus += TextBox_LostFocus;
-                _textBox.Text = CurrentText;
-            }
-        }
-
-        private void TextBox_TextChanged(object sender, TextChangedEventArgs e) => UpdateData();
-
-        private void UpdateData()
-        {
-            if (!VerifyData())
-            {
-                _updateText = true;
-                return;
-            }
-
-            _updateText = false;
-
-            if (string.IsNullOrWhiteSpace(_textBox.Text))
-            {
-                Value = 0;
-
-                SetCurrentValue(ErrorStrProperty, string.Empty);
-                SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
-            }
-            else if (double.TryParse(_textBox.Text, out var value))
-            {
-                Value = value;
-
-                if (Validation.GetHasError(this))
-                {
-                    SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
-                    SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
-                }
-            }
-
-            _updateText = true;
-        }
-
-        private void PreviewTextInputHandler(object sender, TextCompositionEventArgs e) => UpdateData();
-
-        private void TextBox_LostFocus(object sender, RoutedEventArgs e)
-        {
-            if (IsError && _errorTip != null) return;
-            _textBox.Text = CurrentText;
-        }
-
-        private void TextBox_PreviewKeyDown(object sender, KeyEventArgs e)
+        CommandBindings.Add(new CommandBinding(ControlCommands.Prev, (s, e) =>
         {
             if (IsReadOnly) return;
 
-            if (e.Key == Key.Up)
-            {
-                Value += Increment;
-            }
-            else if (e.Key == Key.Down)
-            {
-                Value -= Increment;
-            }
-        }
-
-        protected override void OnMouseWheel(MouseWheelEventArgs e)
+            SetCurrentValue(ValueProperty, Value + Increment);
+        }));
+        CommandBindings.Add(new CommandBinding(ControlCommands.Next, (s, e) =>
         {
-            base.OnMouseWheel(e);
+            if (IsReadOnly) return;
 
-            if (_textBox.IsFocused && !IsReadOnly)
-            {
-                Value += e.Delta > 0 ? Increment : -Increment;
-                e.Handled = true;
-            }
-        }
-
-        private string CurrentText => string.IsNullOrWhiteSpace(ValueFormat)
-            ? DecimalPlaces.HasValue
-                ? Value.ToString($"#0.{new string('0', DecimalPlaces.Value)}")
-                : Value.ToString()
-            : Value.ToString(ValueFormat);
-
-        protected virtual void OnValueChanged(FunctionEventArgs<double> e) => RaiseEvent(e);
-
-        /// <summary>
-        ///     值改变事件
-        /// </summary>
-        public static readonly RoutedEvent ValueChangedEvent =
-            EventManager.RegisterRoutedEvent("ValueChanged", RoutingStrategy.Bubble,
-                typeof(EventHandler<FunctionEventArgs<double>>), typeof(NumericUpDown));
-
-        /// <summary>
-        ///     值改变事件
-        /// </summary>
-        public event EventHandler<FunctionEventArgs<double>> ValueChanged
+            SetCurrentValue(ValueProperty, Value - Increment);
+        }));
+        CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
         {
-            add => AddHandler(ValueChangedEvent, value);
-            remove => RemoveHandler(ValueChangedEvent, value);
-        }
+            if (IsReadOnly) return;
 
-        /// <summary>
-        ///     当前值
-        /// </summary>
-        public static readonly DependencyProperty ValueProperty = DependencyProperty.Register(
-            "Value", typeof(double), typeof(NumericUpDown),
-            new FrameworkPropertyMetadata(ValueBoxes.Double0Box, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault,
-                OnValueChanged, CoerceValue), ValidateHelper.IsInRangeOfDouble);
+            SetCurrentValue(ValueProperty, ValueBoxes.Double0Box);
+        }));
+    }
 
-        private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    public override void OnApplyTemplate()
+    {
+        base.OnApplyTemplate();
+
+        _textBox = GetTemplateChild(ElementTextBox) as TextBox;
+
+        if (_textBox != null)
         {
-            var ctl = (NumericUpDown) d;
-            var v = (double) e.NewValue;
-            ctl.SetText();
+            _textBox.SetBinding(SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
+#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
+            _textBox.SetBinding(SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
+#endif
+            _textBox.SetBinding(SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
+            _textBox.SetBinding(CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
 
-            ctl.OnValueChanged(new FunctionEventArgs<double>(ValueChangedEvent, ctl)
-            {
-                Info = v
-            });
+            _textBox.PreviewKeyDown += TextBox_PreviewKeyDown;
+            _textBox.Text = CurrentText;
         }
+    }
 
-        private void SetText()
+    private void TextBox_PreviewKeyDown(object sender, KeyEventArgs e)
+    {
+        if (IsReadOnly) return;
+
+        if (e.Key == Key.Up)
         {
-            if (_updateText && _textBox != null)
-            {
-                _textBox.Text = CurrentText;
-                _textBox.Select(_textBox.Text.Length, 0);
-            }
+            Value += Increment;
         }
-
-        private static object CoerceValue(DependencyObject d, object basevalue)
+        else if (e.Key == Key.Down)
         {
-            var ctl = (NumericUpDown) d;
-            var minimum = ctl.Minimum;
-            var num = (double) basevalue;
-            if (num < minimum)
-            {
-                ctl.Value = minimum;
-                return minimum;
-            }
-            var maximum = ctl.Maximum;
-            if (num > maximum)
-            {
-                ctl.Value = maximum;
-            }
-            ctl.SetText();
-            return num > maximum ? maximum : num;
+            Value -= Increment;
         }
+    }
 
-        /// <summary>
-        ///     当前值
-        /// </summary>
-        public double Value
+    protected override void OnMouseWheel(MouseWheelEventArgs e)
+    {
+        base.OnMouseWheel(e);
+
+        if (_textBox.IsFocused && !IsReadOnly)
         {
-            get => (double) GetValue(ValueProperty);
-            set => SetValue(ValueProperty, value);
+            Value += e.Delta > 0 ? Increment : -Increment;
+            e.Handled = true;
         }
+    }
 
-        /// <summary>
-        ///     最大值
-        /// </summary>
-        public static readonly DependencyProperty MaximumProperty = DependencyProperty.Register(
-            "Maximum", typeof(double), typeof(NumericUpDown), new PropertyMetadata(double.MaxValue, OnMaximumChanged, CoerceMaximum), ValidateHelper.IsInRangeOfDouble);
+    private string CurrentText => string.IsNullOrWhiteSpace(ValueFormat)
+        ? DecimalPlaces.HasValue
+            ? Value.ToString($"#0.{new string('0', DecimalPlaces.Value)}")
+            : Value.ToString()
+        : Value.ToString(ValueFormat);
 
-        private static void OnMaximumChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    protected virtual void OnValueChanged(FunctionEventArgs<double> e) => RaiseEvent(e);
+
+    /// <summary>
+    ///     值改变事件
+    /// </summary>
+    public static readonly RoutedEvent ValueChangedEvent =
+        EventManager.RegisterRoutedEvent("ValueChanged", RoutingStrategy.Bubble,
+            typeof(EventHandler<FunctionEventArgs<double>>), typeof(NumericUpDown));
+
+    /// <summary>
+    ///     值改变事件
+    /// </summary>
+    public event EventHandler<FunctionEventArgs<double>> ValueChanged
+    {
+        add => AddHandler(ValueChangedEvent, value);
+        remove => RemoveHandler(ValueChangedEvent, value);
+    }
+
+    /// <summary>
+    ///     当前值
+    /// </summary>
+    public static readonly DependencyProperty ValueProperty = DependencyProperty.Register(
+        "Value", typeof(double), typeof(NumericUpDown),
+        new FrameworkPropertyMetadata(ValueBoxes.Double0Box, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault,
+            OnValueChanged, CoerceValue), ValidateHelper.IsInRangeOfDouble);
+
+    private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (NumericUpDown) d;
+        var v = (double) e.NewValue;
+        ctl.SetText();
+
+        ctl.OnValueChanged(new FunctionEventArgs<double>(ValueChangedEvent, ctl)
         {
-            var ctl = (NumericUpDown) d;
-            ctl.CoerceValue(MinimumProperty);
-            ctl.CoerceValue(ValueProperty);
-        }
+            Info = v
+        });
+    }
 
-        private static object CoerceMaximum(DependencyObject d, object basevalue)
+    private void SetText()
+    {
+        if (_textBox != null)
         {
-            var minimum = ((NumericUpDown) d).Minimum;
-            return (double) basevalue < minimum ? minimum : basevalue;
+            _textBox.Text = CurrentText;
+            _textBox.Select(_textBox.Text.Length, 0);
         }
+    }
 
-        /// <summary>
-        ///     最大值
-        /// </summary>
-        public double Maximum
+    private static object CoerceValue(DependencyObject d, object basevalue)
+    {
+        var ctl = (NumericUpDown) d;
+        var minimum = ctl.Minimum;
+        var num = (double) basevalue;
+        if (num < minimum)
         {
-            get => (double) GetValue(MaximumProperty);
-            set => SetValue(MaximumProperty, value);
+            ctl.Value = minimum;
+            return minimum;
         }
-
-        /// <summary>
-        ///     最小值
-        /// </summary>
-        public static readonly DependencyProperty MinimumProperty = DependencyProperty.Register(
-            "Minimum", typeof(double), typeof(NumericUpDown), new PropertyMetadata(double.MinValue, OnMinimumChanged, CoerceMinimum), ValidateHelper.IsInRangeOfDouble);
-
-        private static void OnMinimumChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        var maximum = ctl.Maximum;
+        if (num > maximum)
         {
-            var ctl = (NumericUpDown) d;
-            ctl.CoerceValue(MaximumProperty);
-            ctl.CoerceValue(ValueProperty);
+            ctl.Value = maximum;
         }
+        ctl.SetText();
+        return num > maximum ? maximum : num;
+    }
 
-        private static object CoerceMinimum(DependencyObject d, object basevalue)
-        {
-            var maximum = ((NumericUpDown) d).Maximum;
-            return (double) basevalue > maximum ? maximum : basevalue;
-        }
+    /// <summary>
+    ///     当前值
+    /// </summary>
+    public double Value
+    {
+        get => (double) GetValue(ValueProperty);
+        set => SetValue(ValueProperty, value);
+    }
 
-        /// <summary>
-        ///     最小值
-        /// </summary>
-        public double Minimum
-        {
-            get => (double) GetValue(MinimumProperty);
-            set => SetValue(MinimumProperty, value);
-        }
+    /// <summary>
+    ///     最大值
+    /// </summary>
+    public static readonly DependencyProperty MaximumProperty = DependencyProperty.Register(
+        "Maximum", typeof(double), typeof(NumericUpDown), new PropertyMetadata(double.MaxValue, OnMaximumChanged, CoerceMaximum), ValidateHelper.IsInRangeOfDouble);
 
-        /// <summary>
-        ///     指示每单击一下按钮时增加或减少的数量
-        /// </summary>
-        public static readonly DependencyProperty IncrementProperty = DependencyProperty.Register(
-            "Increment", typeof(double), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.Double1Box));
+    private static void OnMaximumChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (NumericUpDown) d;
+        ctl.CoerceValue(MinimumProperty);
+        ctl.CoerceValue(ValueProperty);
+    }
 
-        /// <summary>
-        ///     指示每单击一下按钮时增加或减少的数量
-        /// </summary>
-        public double Increment
-        {
-            get => (double) GetValue(IncrementProperty);
-            set => SetValue(IncrementProperty, value);
-        }
+    private static object CoerceMaximum(DependencyObject d, object basevalue)
+    {
+        var minimum = ((NumericUpDown) d).Minimum;
+        return (double) basevalue < minimum ? minimum : basevalue;
+    }
 
-        /// <summary>
-        ///     指示要显示的小数位数
-        /// </summary>
-        public static readonly DependencyProperty DecimalPlacesProperty = DependencyProperty.Register(
-            "DecimalPlaces", typeof(int?), typeof(NumericUpDown), new PropertyMetadata(default(int?)));
+    /// <summary>
+    ///     最大值
+    /// </summary>
+    public double Maximum
+    {
+        get => (double) GetValue(MaximumProperty);
+        set => SetValue(MaximumProperty, value);
+    }
 
-        /// <summary>
-        ///     指示要显示的小数位数
-        /// </summary>
-        public int? DecimalPlaces
-        {
-            get => (int?) GetValue(DecimalPlacesProperty);
-            set => SetValue(DecimalPlacesProperty, value);
-        }
+    /// <summary>
+    ///     最小值
+    /// </summary>
+    public static readonly DependencyProperty MinimumProperty = DependencyProperty.Register(
+        "Minimum", typeof(double), typeof(NumericUpDown), new PropertyMetadata(double.MinValue, OnMinimumChanged, CoerceMinimum), ValidateHelper.IsInRangeOfDouble);
 
-        /// <summary>
-        ///     指示要显示的数字的格式
-        /// </summary>
-        public static readonly DependencyProperty ValueFormatProperty = DependencyProperty.Register(
-            "ValueFormat", typeof(string), typeof(NumericUpDown), new PropertyMetadata(default(string)));
+    private static void OnMinimumChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (NumericUpDown) d;
+        ctl.CoerceValue(MaximumProperty);
+        ctl.CoerceValue(ValueProperty);
+    }
 
-        /// <summary>
-        ///     指示要显示的数字的格式，这将会覆盖 <see cref="DecimalPlaces"/> 属性
-        /// </summary>
-        public string ValueFormat
-        {
-            get => (string) GetValue(ValueFormatProperty);
-            set => SetValue(ValueFormatProperty, value);
-        }
+    private static object CoerceMinimum(DependencyObject d, object basevalue)
+    {
+        var maximum = ((NumericUpDown) d).Maximum;
+        return (double) basevalue > maximum ? maximum : basevalue;
+    }
 
-        /// <summary>
-        ///     是否显示上下调值按钮
-        /// </summary>
-        internal static readonly DependencyProperty ShowUpDownButtonProperty = DependencyProperty.Register(
-            "ShowUpDownButton", typeof(bool), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.TrueBox));
+    /// <summary>
+    ///     最小值
+    /// </summary>
+    public double Minimum
+    {
+        get => (double) GetValue(MinimumProperty);
+        set => SetValue(MinimumProperty, value);
+    }
 
-        /// <summary>
-        ///     是否显示上下调值按钮
-        /// </summary>
-        internal bool ShowUpDownButton
-        {
-            get => (bool) GetValue(ShowUpDownButtonProperty);
-            set => SetValue(ShowUpDownButtonProperty, ValueBoxes.BooleanBox(value));
-        }
+    /// <summary>
+    ///     指示每单击一下按钮时增加或减少的数量
+    /// </summary>
+    public static readonly DependencyProperty IncrementProperty = DependencyProperty.Register(
+        "Increment", typeof(double), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.Double1Box));
 
-        /// <summary>
-        ///     数据是否错误
-        /// </summary>
-        public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
-            "IsError", typeof(bool), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.FalseBox));
+    /// <summary>
+    ///     指示每单击一下按钮时增加或减少的数量
+    /// </summary>
+    public double Increment
+    {
+        get => (double) GetValue(IncrementProperty);
+        set => SetValue(IncrementProperty, value);
+    }
 
-        public bool IsError
-        {
-            get => (bool) GetValue(IsErrorProperty);
-            set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
-        }
+    /// <summary>
+    ///     指示要显示的小数位数
+    /// </summary>
+    public static readonly DependencyProperty DecimalPlacesProperty = DependencyProperty.Register(
+        "DecimalPlaces", typeof(int?), typeof(NumericUpDown), new PropertyMetadata(default(int?)));
 
-        /// <summary>
-        ///     错误提示
-        /// </summary>
-        public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
-            "ErrorStr", typeof(string), typeof(NumericUpDown), new PropertyMetadata(default(string)));
+    /// <summary>
+    ///     指示要显示的小数位数
+    /// </summary>
+    public int? DecimalPlaces
+    {
+        get => (int?) GetValue(DecimalPlacesProperty);
+        set => SetValue(DecimalPlacesProperty, value);
+    }
 
-        public string ErrorStr
-        {
-            get => (string) GetValue(ErrorStrProperty);
-            set => SetValue(ErrorStrProperty, value);
-        }
+    /// <summary>
+    ///     指示要显示的数字的格式
+    /// </summary>
+    public static readonly DependencyProperty ValueFormatProperty = DependencyProperty.Register(
+        "ValueFormat", typeof(string), typeof(NumericUpDown), new PropertyMetadata(default(string)));
 
-        public static readonly DependencyPropertyKey TextTypePropertyKey =
-            DependencyProperty.RegisterReadOnly("TextType", typeof(TextType), typeof(NumericUpDown),
-                new PropertyMetadata(default(TextType)));
+    /// <summary>
+    ///     指示要显示的数字的格式，这将会覆盖 <see cref="DecimalPlaces"/> 属性
+    /// </summary>
+    public string ValueFormat
+    {
+        get => (string) GetValue(ValueFormatProperty);
+        set => SetValue(ValueFormatProperty, value);
+    }
 
-        /// <summary>
-        ///     文本类型
-        /// </summary>
-        public static readonly DependencyProperty TextTypeProperty = TextTypePropertyKey.DependencyProperty;
+    /// <summary>
+    ///     是否显示上下调值按钮
+    /// </summary>
+    internal static readonly DependencyProperty ShowUpDownButtonProperty = DependencyProperty.Register(
+        "ShowUpDownButton", typeof(bool), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.TrueBox));
 
-        public TextType TextType
-        {
-            get => (TextType) GetValue(TextTypeProperty);
-            set => SetValue(TextTypeProperty, value);
-        }
+    /// <summary>
+    ///     是否显示上下调值按钮
+    /// </summary>
+    internal bool ShowUpDownButton
+    {
+        get => (bool) GetValue(ShowUpDownButtonProperty);
+        set => SetValue(ShowUpDownButtonProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        /// <summary>
-        ///     是否显示清除按钮
-        /// </summary>
-        public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
-            "ShowClearButton", typeof(bool), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.FalseBox));
+    /// <summary>
+    ///     标识 IsReadOnly 依赖属性。
+    /// </summary>
+    public static readonly DependencyProperty IsReadOnlyProperty = DependencyProperty.Register(
+        "IsReadOnly", typeof(bool), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.FalseBox));
 
-        public bool ShowClearButton
-        {
-            get => (bool) GetValue(ShowClearButtonProperty);
-            set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
-        }
+    /// <summary>
+    ///     获取或设置一个值，该值指示NumericUpDown是否只读。
+    /// </summary>
+    public bool IsReadOnly
+    {
+        get => (bool) GetValue(IsReadOnlyProperty);
+        set => SetValue(IsReadOnlyProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        /// <summary>
-        ///     标识 IsReadOnly 依赖属性。
-        /// </summary>
-        public static readonly DependencyProperty IsReadOnlyProperty = DependencyProperty.Register(
-            "IsReadOnly", typeof(bool), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.FalseBox));
+    public static readonly DependencyProperty SelectionBrushProperty =
+        TextBoxBase.SelectionBrushProperty.AddOwner(typeof(NumericUpDown));
 
-        /// <summary>
-        ///     获取或设置一个值，该值指示NumericUpDown是否只读。
-        /// </summary>
-        public bool IsReadOnly
-        {
-            get => (bool) GetValue(IsReadOnlyProperty);
-            set => SetValue(IsReadOnlyProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty SelectionBrushProperty =
-            TextBoxBase.SelectionBrushProperty.AddOwner(typeof(NumericUpDown));
-
-        public Brush SelectionBrush
-        {
-            get => (Brush) GetValue(SelectionBrushProperty);
-            set => SetValue(SelectionBrushProperty, value);
-        }
+    public Brush SelectionBrush
+    {
+        get => (Brush) GetValue(SelectionBrushProperty);
+        set => SetValue(SelectionBrushProperty, value);
+    }
 
 #if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
 
-        public static readonly DependencyProperty SelectionTextBrushProperty =
-            TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(NumericUpDown));
+    public static readonly DependencyProperty SelectionTextBrushProperty =
+        TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(NumericUpDown));
 
-        public Brush SelectionTextBrush
-        {
-            get => (Brush) GetValue(SelectionTextBrushProperty);
-            set => SetValue(SelectionTextBrushProperty, value);
-        }
+    public Brush SelectionTextBrush
+    {
+        get => (Brush) GetValue(SelectionTextBrushProperty);
+        set => SetValue(SelectionTextBrushProperty, value);
+    }
 
 #endif
 
-        public static readonly DependencyProperty SelectionOpacityProperty =
-            TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(NumericUpDown));
+    public static readonly DependencyProperty SelectionOpacityProperty =
+        TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(NumericUpDown));
 
-        public double SelectionOpacity
-        {
-            get => (double) GetValue(SelectionOpacityProperty);
-            set => SetValue(SelectionOpacityProperty, value);
-        }
+    public double SelectionOpacity
+    {
+        get => (double) GetValue(SelectionOpacityProperty);
+        set => SetValue(SelectionOpacityProperty, value);
+    }
 
-        public static readonly DependencyProperty CaretBrushProperty =
-            TextBoxBase.CaretBrushProperty.AddOwner(typeof(NumericUpDown));
+    public static readonly DependencyProperty CaretBrushProperty =
+        TextBoxBase.CaretBrushProperty.AddOwner(typeof(NumericUpDown));
 
-        public Brush CaretBrush
-        {
-            get => (Brush) GetValue(CaretBrushProperty);
-            set => SetValue(CaretBrushProperty, value);
-        }
-
-        public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
-
-        public virtual bool VerifyData()
-        {
-            OperationResult<bool> result;
-
-            if (VerifyFunc != null)
-            {
-                result = VerifyFunc.Invoke(_textBox.Text);
-            }
-            else
-            {
-                if (!string.IsNullOrEmpty(_textBox.Text))
-                {
-                    if (double.TryParse(_textBox.Text, out var value))
-                    {
-                        if (value < Minimum || value > Maximum)
-                        {
-                            result = OperationResult.Failed(Properties.Langs.Lang.OutOfRange);
-                        }
-                        else
-                        {
-                            result = OperationResult.Success();
-                        }
-                    }
-                    else
-                    {
-                        result = OperationResult.Failed(Properties.Langs.Lang.FormatError);
-                    }
-                }
-                else if (InfoElement.GetNecessary(this))
-                {
-                    result = OperationResult.Failed(Properties.Langs.Lang.IsNecessary);
-                }
-                else
-                {
-                    result = OperationResult.Success();
-                }
-            }
-
-            SetCurrentValue(ErrorStrProperty, result.Message);
-            SetCurrentValue(IsErrorProperty, ValueBoxes.BooleanBox(!result.Data));
-            return result.Data;
-        }
+    public Brush CaretBrush
+    {
+        get => (Brush) GetValue(CaretBrushProperty);
+        set => SetValue(CaretBrushProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Input/PasswordBox.cs

@@ -12,383 +12,382 @@ using HandyControl.Data;
 using HandyControl.Interactivity;
 using HandyControl.Properties.Langs;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[TemplatePart(Name = ElementPasswordBox, Type = typeof(System.Windows.Controls.PasswordBox))]
+[TemplatePart(Name = ElementTextBox, Type = typeof(System.Windows.Controls.TextBox))]
+public class PasswordBox : Control, IDataInput
 {
-    [TemplatePart(Name = ElementPasswordBox, Type = typeof(System.Windows.Controls.PasswordBox))]
-    [TemplatePart(Name = ElementTextBox, Type = typeof(System.Windows.Controls.TextBox))]
-    public class PasswordBox : Control, IDataInput
+    private const string ElementPasswordBox = "PART_PasswordBox";
+
+    private const string ElementTextBox = "PART_TextBox";
+
+    private SecureString _password;
+
+    private System.Windows.Controls.TextBox _textBox;
+
+    /// <summary>
+    ///     掩码字符
+    /// </summary>
+    public static readonly DependencyProperty PasswordCharProperty =
+        System.Windows.Controls.PasswordBox.PasswordCharProperty.AddOwner(typeof(PasswordBox),
+            new FrameworkPropertyMetadata('●'));
+
+    public char PasswordChar
     {
-        private const string ElementPasswordBox = "PART_PasswordBox";
+        get => (char) GetValue(PasswordCharProperty);
+        set => SetValue(PasswordCharProperty, value);
+    }
 
-        private const string ElementTextBox = "PART_TextBox";
+    /// <summary>
+    ///     数据是否错误
+    /// </summary>
+    public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
+        "IsError", typeof(bool), typeof(PasswordBox), new PropertyMetadata(ValueBoxes.FalseBox));
 
-        private SecureString _password;
+    public bool IsError
+    {
+        get => (bool) GetValue(IsErrorProperty);
+        set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        private System.Windows.Controls.TextBox _textBox;
+    /// <summary>
+    ///     错误提示
+    /// </summary>
+    public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
+        "ErrorStr", typeof(string), typeof(PasswordBox), new PropertyMetadata(default(string)));
 
-        /// <summary>
-        ///     掩码字符
-        /// </summary>
-        public static readonly DependencyProperty PasswordCharProperty =
-            System.Windows.Controls.PasswordBox.PasswordCharProperty.AddOwner(typeof(PasswordBox),
-                new FrameworkPropertyMetadata('●'));
+    public string ErrorStr
+    {
+        get => (string) GetValue(ErrorStrProperty);
+        set => SetValue(ErrorStrProperty, value);
+    }
 
-        public char PasswordChar
+    /// <summary>
+    ///     文本类型
+    /// </summary>
+    public static readonly DependencyProperty TextTypeProperty = DependencyProperty.Register(
+        "TextType", typeof(TextType), typeof(PasswordBox), new PropertyMetadata(default(TextType)));
+
+    public TextType TextType
+    {
+        get => (TextType) GetValue(TextTypeProperty);
+        set => SetValue(TextTypeProperty, value);
+    }
+
+    /// <summary>
+    ///     是否显示清除按钮
+    /// </summary>
+    public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
+        "ShowClearButton", typeof(bool), typeof(PasswordBox), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool ShowClearButton
+    {
+        get => (bool) GetValue(ShowClearButtonProperty);
+        set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty ShowEyeButtonProperty = DependencyProperty.Register(
+        "ShowEyeButton", typeof(bool), typeof(PasswordBox), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool ShowEyeButton
+    {
+        get => (bool) GetValue(ShowEyeButtonProperty);
+        set => SetValue(ShowEyeButtonProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty ShowPasswordProperty = DependencyProperty.Register(
+        "ShowPassword", typeof(bool), typeof(PasswordBox),
+        new PropertyMetadata(ValueBoxes.FalseBox, OnShowPasswordChanged));
+
+    public bool ShowPassword
+    {
+        get => (bool) GetValue(ShowPasswordProperty);
+        set => SetValue(ShowPasswordProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty IsSafeEnabledProperty = DependencyProperty.Register(
+        "IsSafeEnabled", typeof(bool), typeof(PasswordBox), new PropertyMetadata(ValueBoxes.TrueBox, OnIsSafeEnabledChanged));
+
+    private static void OnIsSafeEnabledChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var p = (PasswordBox) d;
+        p.SetCurrentValue(UnsafePasswordProperty, !(bool) e.NewValue ? p.Password : string.Empty);
+    }
+
+    public bool IsSafeEnabled
+    {
+        get => (bool) GetValue(IsSafeEnabledProperty);
+        set => SetValue(IsSafeEnabledProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty UnsafePasswordProperty = DependencyProperty.Register(
+        "UnsafePassword", typeof(string), typeof(PasswordBox), new FrameworkPropertyMetadata(default(string),
+            FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, OnUnsafePasswordChanged));
+
+    private static void OnUnsafePasswordChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var p = (PasswordBox) d;
+        if (!p.IsSafeEnabled)
         {
-            get => (char) GetValue(PasswordCharProperty);
-            set => SetValue(PasswordCharProperty, value);
+            p.Password = e.NewValue != null ? e.NewValue.ToString() : string.Empty;
         }
+    }
 
-        /// <summary>
-        ///     数据是否错误
-        /// </summary>
-        public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
-            "IsError", typeof(bool), typeof(PasswordBox), new PropertyMetadata(ValueBoxes.FalseBox));
+    public string UnsafePassword
+    {
+        get => (string) GetValue(UnsafePasswordProperty);
+        set => SetValue(UnsafePasswordProperty, value);
+    }
 
-        public bool IsError
-        {
-            get => (bool) GetValue(IsErrorProperty);
-            set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
-        }
+    public static readonly DependencyProperty MaxLengthProperty =
+        System.Windows.Controls.TextBox.MaxLengthProperty.AddOwner(typeof(PasswordBox));
 
-        /// <summary>
-        ///     错误提示
-        /// </summary>
-        public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
-            "ErrorStr", typeof(string), typeof(PasswordBox), new PropertyMetadata(default(string)));
+    public int MaxLength
+    {
+        get => (int) GetValue(MaxLengthProperty);
+        set => SetValue(MaxLengthProperty, value);
+    }
 
-        public string ErrorStr
-        {
-            get => (string) GetValue(ErrorStrProperty);
-            set => SetValue(ErrorStrProperty, value);
-        }
+    public static readonly DependencyProperty SelectionBrushProperty =
+        TextBoxBase.SelectionBrushProperty.AddOwner(typeof(PasswordBox));
 
-        /// <summary>
-        ///     文本类型
-        /// </summary>
-        public static readonly DependencyProperty TextTypeProperty = DependencyProperty.Register(
-            "TextType", typeof(TextType), typeof(PasswordBox), new PropertyMetadata(default(TextType)));
-
-        public TextType TextType
-        {
-            get => (TextType) GetValue(TextTypeProperty);
-            set => SetValue(TextTypeProperty, value);
-        }
-
-        /// <summary>
-        ///     是否显示清除按钮
-        /// </summary>
-        public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
-            "ShowClearButton", typeof(bool), typeof(PasswordBox), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool ShowClearButton
-        {
-            get => (bool) GetValue(ShowClearButtonProperty);
-            set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty ShowEyeButtonProperty = DependencyProperty.Register(
-            "ShowEyeButton", typeof(bool), typeof(PasswordBox), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool ShowEyeButton
-        {
-            get => (bool) GetValue(ShowEyeButtonProperty);
-            set => SetValue(ShowEyeButtonProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty ShowPasswordProperty = DependencyProperty.Register(
-            "ShowPassword", typeof(bool), typeof(PasswordBox),
-            new PropertyMetadata(ValueBoxes.FalseBox, OnShowPasswordChanged));
-
-        public bool ShowPassword
-        {
-            get => (bool) GetValue(ShowPasswordProperty);
-            set => SetValue(ShowPasswordProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty IsSafeEnabledProperty = DependencyProperty.Register(
-            "IsSafeEnabled", typeof(bool), typeof(PasswordBox), new PropertyMetadata(ValueBoxes.TrueBox, OnIsSafeEnabledChanged));
-
-        private static void OnIsSafeEnabledChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var p = (PasswordBox) d;
-            p.SetCurrentValue(UnsafePasswordProperty, !(bool) e.NewValue ? p.Password : string.Empty);
-        }
-
-        public bool IsSafeEnabled
-        {
-            get => (bool) GetValue(IsSafeEnabledProperty);
-            set => SetValue(IsSafeEnabledProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty UnsafePasswordProperty = DependencyProperty.Register(
-            "UnsafePassword", typeof(string), typeof(PasswordBox), new FrameworkPropertyMetadata(default(string),
-                FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, OnUnsafePasswordChanged));
-
-        private static void OnUnsafePasswordChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var p = (PasswordBox) d;
-            if (!p.IsSafeEnabled)
-            {
-                p.Password = e.NewValue != null ? e.NewValue.ToString() : string.Empty;
-            }
-        }
-
-        public string UnsafePassword
-        {
-            get => (string) GetValue(UnsafePasswordProperty);
-            set => SetValue(UnsafePasswordProperty, value);
-        }
-
-        public static readonly DependencyProperty MaxLengthProperty =
-            System.Windows.Controls.TextBox.MaxLengthProperty.AddOwner(typeof(PasswordBox));
-
-        public int MaxLength
-        {
-            get => (int) GetValue(MaxLengthProperty);
-            set => SetValue(MaxLengthProperty, value);
-        }
-
-        public static readonly DependencyProperty SelectionBrushProperty =
-            TextBoxBase.SelectionBrushProperty.AddOwner(typeof(PasswordBox));
-
-        public Brush SelectionBrush
-        {
-            get => (Brush) GetValue(SelectionBrushProperty);
-            set => SetValue(SelectionBrushProperty, value);
-        }
+    public Brush SelectionBrush
+    {
+        get => (Brush) GetValue(SelectionBrushProperty);
+        set => SetValue(SelectionBrushProperty, value);
+    }
 
 #if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
 
-        public static readonly DependencyProperty SelectionTextBrushProperty =
-            TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(PasswordBox));
+    public static readonly DependencyProperty SelectionTextBrushProperty =
+        TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(PasswordBox));
 
-        public Brush SelectionTextBrush
-        {
-            get => (Brush) GetValue(SelectionTextBrushProperty);
-            set => SetValue(SelectionTextBrushProperty, value);
-        }
+    public Brush SelectionTextBrush
+    {
+        get => (Brush) GetValue(SelectionTextBrushProperty);
+        set => SetValue(SelectionTextBrushProperty, value);
+    }
 
 #endif
 
-        public static readonly DependencyProperty SelectionOpacityProperty =
-            TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(PasswordBox));
+    public static readonly DependencyProperty SelectionOpacityProperty =
+        TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(PasswordBox));
 
-        public double SelectionOpacity
-        {
-            get => (double) GetValue(SelectionOpacityProperty);
-            set => SetValue(SelectionOpacityProperty, value);
-        }
+    public double SelectionOpacity
+    {
+        get => (double) GetValue(SelectionOpacityProperty);
+        set => SetValue(SelectionOpacityProperty, value);
+    }
 
-        public static readonly DependencyProperty CaretBrushProperty =
-            TextBoxBase.CaretBrushProperty.AddOwner(typeof(PasswordBox));
+    public static readonly DependencyProperty CaretBrushProperty =
+        TextBoxBase.CaretBrushProperty.AddOwner(typeof(PasswordBox));
 
-        public Brush CaretBrush
-        {
-            get => (Brush) GetValue(CaretBrushProperty);
-            set => SetValue(CaretBrushProperty, value);
-        }
+    public Brush CaretBrush
+    {
+        get => (Brush) GetValue(CaretBrushProperty);
+        set => SetValue(CaretBrushProperty, value);
+    }
 
 #if !NET40
 
-        public static readonly DependencyProperty IsSelectionActiveProperty =
-            TextBoxBase.IsSelectionActiveProperty.AddOwner(typeof(PasswordBox));
+    public static readonly DependencyProperty IsSelectionActiveProperty =
+        TextBoxBase.IsSelectionActiveProperty.AddOwner(typeof(PasswordBox));
 
-        public bool IsSelectionActive => ActualPasswordBox != null && (bool) ActualPasswordBox.GetValue(IsSelectionActiveProperty);
+    public bool IsSelectionActive => ActualPasswordBox != null && (bool) ActualPasswordBox.GetValue(IsSelectionActiveProperty);
 
 #endif
 
-        public PasswordBox() => CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) => Clear()));
+    public PasswordBox() => CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) => Clear()));
 
-        public System.Windows.Controls.PasswordBox ActualPasswordBox { get; set; }
+    public System.Windows.Controls.PasswordBox ActualPasswordBox { get; set; }
 
-        [DefaultValue("")]
-        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
-        public string Password
+    [DefaultValue("")]
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+    public string Password
+    {
+        get
         {
-            get
+            if (ShowEyeButton && ShowPassword)
             {
-                if (ShowEyeButton && ShowPassword)
-                {
-                    return _textBox.Text;
-                }
-                return ActualPasswordBox?.Password;
-            }
-            set
-            {
-                if (ActualPasswordBox == null)
-                {
-                    _password = new SecureString();
-                    value ??= string.Empty;
-                    foreach (var item in value)
-                        _password.AppendChar(item);
-
-                    return;
-                }
-
-                if (Equals(ActualPasswordBox.Password, value)) return;
-                ActualPasswordBox.Password = value;
+                return _textBox.Text;
             }
+            return ActualPasswordBox?.Password;
         }
-
-        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
-        public SecureString SecurePassword => ActualPasswordBox?.SecurePassword;
-
-        public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
-
-        public virtual bool VerifyData()
+        set
         {
-            OperationResult<bool> result;
+            if (ActualPasswordBox == null)
+            {
+                _password = new SecureString();
+                value ??= string.Empty;
+                foreach (var item in value)
+                    _password.AppendChar(item);
 
-            if (VerifyFunc != null)
-            {
-                result = VerifyFunc.Invoke(ShowEyeButton && ShowPassword
-                    ? _textBox.Text
-                    : ActualPasswordBox.Password);
+                return;
             }
-            else
-            {
-                if (!string.IsNullOrEmpty(ShowEyeButton && ShowPassword
+
+            if (Equals(ActualPasswordBox.Password, value)) return;
+            ActualPasswordBox.Password = value;
+        }
+    }
+
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
+    public SecureString SecurePassword => ActualPasswordBox?.SecurePassword;
+
+    public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
+
+    public virtual bool VerifyData()
+    {
+        OperationResult<bool> result;
+
+        if (VerifyFunc != null)
+        {
+            result = VerifyFunc.Invoke(ShowEyeButton && ShowPassword
+                ? _textBox.Text
+                : ActualPasswordBox.Password);
+        }
+        else
+        {
+            if (!string.IsNullOrEmpty(ShowEyeButton && ShowPassword
                     ? _textBox.Text
                     : ActualPasswordBox.Password))
-                    result = OperationResult.Success();
-                else if (InfoElement.GetNecessary(this))
-                    result = OperationResult.Failed(Lang.IsNecessary);
-                else
-                    result = OperationResult.Success();
-            }
+                result = OperationResult.Success();
+            else if (InfoElement.GetNecessary(this))
+                result = OperationResult.Failed(Lang.IsNecessary);
+            else
+                result = OperationResult.Success();
+        }
 
-            var isError = !result.Data;
+        var isError = !result.Data;
+        if (isError)
+        {
+            SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
+            SetCurrentValue(ErrorStrProperty, result.Message);
+        }
+        else
+        {
+            isError = Validation.GetHasError(this);
             if (isError)
             {
-                SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
-                SetCurrentValue(ErrorStrProperty, result.Message);
+                SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
             }
             else
             {
-                isError = Validation.GetHasError(this);
-                if (isError)
-                {
-                    SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
-                }
-                else
-                {
-                    SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
-                    SetCurrentValue(ErrorStrProperty, default(string));
-                }
-            }
-            return !isError;
-        }
-
-        private static void OnShowPasswordChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (PasswordBox) d;
-            if (!ctl.ShowEyeButton) return;
-            if ((bool) e.NewValue)
-            {
-                ctl._textBox.Text = ctl.ActualPasswordBox.Password;
-                ctl._textBox.Select(string.IsNullOrEmpty(ctl._textBox.Text) ? 0 : ctl._textBox.Text.Length, 0);
-            }
-            else
-            {
-                ctl.ActualPasswordBox.Password = ctl._textBox.Text;
-                ctl._textBox.Clear();
+                SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
+                SetCurrentValue(ErrorStrProperty, default(string));
             }
         }
+        return !isError;
+    }
 
-        public override void OnApplyTemplate()
+    private static void OnShowPasswordChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (PasswordBox) d;
+        if (!ctl.ShowEyeButton) return;
+        if ((bool) e.NewValue)
         {
-            if (ActualPasswordBox != null)
-                ActualPasswordBox.PasswordChanged -= PasswordBox_PasswordChanged;
+            ctl._textBox.Text = ctl.ActualPasswordBox.Password;
+            ctl._textBox.Select(string.IsNullOrEmpty(ctl._textBox.Text) ? 0 : ctl._textBox.Text.Length, 0);
+        }
+        else
+        {
+            ctl.ActualPasswordBox.Password = ctl._textBox.Text;
+            ctl._textBox.Clear();
+        }
+    }
 
-            if (_textBox != null)
-                _textBox.TextChanged -= TextBox_TextChanged;
+    public override void OnApplyTemplate()
+    {
+        if (ActualPasswordBox != null)
+            ActualPasswordBox.PasswordChanged -= PasswordBox_PasswordChanged;
 
-            base.OnApplyTemplate();
+        if (_textBox != null)
+            _textBox.TextChanged -= TextBox_TextChanged;
 
-            ActualPasswordBox = GetTemplateChild(ElementPasswordBox) as System.Windows.Controls.PasswordBox;
-            _textBox = GetTemplateChild(ElementTextBox) as System.Windows.Controls.TextBox;
-            if (ActualPasswordBox != null)
-            {
-                ActualPasswordBox.PasswordChanged += PasswordBox_PasswordChanged;
-                ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.MaxLengthProperty, new Binding(MaxLengthProperty.Name) { Source = this });
-                ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
+        base.OnApplyTemplate();
+
+        ActualPasswordBox = GetTemplateChild(ElementPasswordBox) as System.Windows.Controls.PasswordBox;
+        _textBox = GetTemplateChild(ElementTextBox) as System.Windows.Controls.TextBox;
+        if (ActualPasswordBox != null)
+        {
+            ActualPasswordBox.PasswordChanged += PasswordBox_PasswordChanged;
+            ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.MaxLengthProperty, new Binding(MaxLengthProperty.Name) { Source = this });
+            ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
 #if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
-                ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
+            ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
 #endif
-                ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
-                ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
+            ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
+            ActualPasswordBox.SetBinding(System.Windows.Controls.PasswordBox.CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
 
-                if (_password is { Length: > 0 })
-                {
-                    var valuePtr = IntPtr.Zero;
-                    try
-                    {
-                        valuePtr = Marshal.SecureStringToGlobalAllocUnicode(_password);
-                        ActualPasswordBox.Password = Marshal.PtrToStringUni(valuePtr) ?? throw new InvalidOperationException();
-                    }
-                    finally
-                    {
-                        Marshal.ZeroFreeGlobalAllocUnicode(valuePtr);
-                        _password.Clear();
-                    }
-                }
-            }
-
-            if (_textBox != null)
+            if (_password is { Length: > 0 })
             {
-                _textBox.TextChanged += TextBox_TextChanged;
+                var valuePtr = IntPtr.Zero;
+                try
+                {
+                    valuePtr = Marshal.SecureStringToGlobalAllocUnicode(_password);
+                    ActualPasswordBox.Password = Marshal.PtrToStringUni(valuePtr) ?? throw new InvalidOperationException();
+                }
+                finally
+                {
+                    Marshal.ZeroFreeGlobalAllocUnicode(valuePtr);
+                    _password.Clear();
+                }
             }
         }
 
-        public void Paste()
+        if (_textBox != null)
         {
-            ActualPasswordBox.Paste();
-            if (ShowEyeButton && ShowPassword)
+            _textBox.TextChanged += TextBox_TextChanged;
+        }
+    }
+
+    public void Paste()
+    {
+        ActualPasswordBox.Paste();
+        if (ShowEyeButton && ShowPassword)
+        {
+            _textBox.Text = ActualPasswordBox.Password;
+        }
+    }
+
+    public void SelectAll()
+    {
+        ActualPasswordBox.SelectAll();
+        if (ShowEyeButton && ShowPassword)
+        {
+            _textBox.SelectAll();
+        }
+    }
+
+    public void Clear()
+    {
+        ActualPasswordBox.Clear();
+        _textBox.Clear();
+    }
+
+    private void PasswordBox_PasswordChanged(object sender, RoutedEventArgs e)
+    {
+        if (!IsSafeEnabled)
+        {
+            SetCurrentValue(UnsafePasswordProperty, ActualPasswordBox.Password);
+
+            if (ShowPassword)
             {
                 _textBox.Text = ActualPasswordBox.Password;
             }
         }
 
-        public void SelectAll()
+        VerifyData();
+    }
+
+    private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
+    {
+        if (!IsSafeEnabled && ShowPassword)
         {
-            ActualPasswordBox.SelectAll();
-            if (ShowEyeButton && ShowPassword)
-            {
-                _textBox.SelectAll();
-            }
+            Password = _textBox.Text;
+            SetCurrentValue(UnsafePasswordProperty, Password);
         }
 
-        public void Clear()
-        {
-            ActualPasswordBox.Clear();
-            _textBox.Clear();
-        }
-
-        private void PasswordBox_PasswordChanged(object sender, RoutedEventArgs e)
-        {
-            if (!IsSafeEnabled)
-            {
-                SetCurrentValue(UnsafePasswordProperty, ActualPasswordBox.Password);
-
-                if (ShowPassword)
-                {
-                    _textBox.Text = ActualPasswordBox.Password;
-                }
-            }
-
-            VerifyData();
-        }
-
-        private void TextBox_TextChanged(object sender, TextChangedEventArgs e)
-        {
-            if (!IsSafeEnabled && ShowPassword)
-            {
-                Password = _textBox.Text;
-                SetCurrentValue(UnsafePasswordProperty, Password);
-            }
-
-            VerifyData();
-        }
+        VerifyData();
     }
 }

src/Shared/HandyControl_Shared/Controls/Input/PinBox.cs

@@ -13,398 +13,397 @@ using HandyControl.Data;
 using HandyControl.Tools;
 using HandyControl.Tools.Extension;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[TemplatePart(Name = ElementPanel, Type = typeof(Panel))]
+public class PinBox : Control
 {
-    [TemplatePart(Name = ElementPanel, Type = typeof(Panel))]
-    public class PinBox : Control
+    private const string ElementPanel = "PART_Panel";
+
+    private static readonly object MinLength = 4;
+
+    private Panel _panel;
+
+    private int _inputIndex;
+
+    private bool _changed;
+
+    private bool _isInternalAction;
+
+    private List<SecureString> _passwordList;
+
+    private RoutedEventHandler _passwordBoxsGotFocusEventHandler;
+
+    private RoutedEventHandler _passwordBoxsPasswordChangedEventHandler;
+
+    public PinBox()
     {
-        private const string ElementPanel = "PART_Panel";
+        Loaded += PinBox_Loaded;
+        Unloaded += PinBox_Unloaded;
+    }
 
-        private static readonly object MinLength = 4;
+    private void PinBox_Unloaded(object sender, RoutedEventArgs e)
+    {
+        RemoveHandler(System.Windows.Controls.PasswordBox.PasswordChangedEvent, _passwordBoxsPasswordChangedEventHandler);
+        RemoveHandler(GotFocusEvent, _passwordBoxsGotFocusEventHandler);
 
-        private Panel _panel;
+        Loaded -= PinBox_Loaded;
+        Unloaded -= PinBox_Unloaded;
+    }
 
-        private int _inputIndex;
+    private void PinBox_Loaded(object sender, RoutedEventArgs e)
+    {
+        _passwordBoxsPasswordChangedEventHandler = PasswordBoxsPasswordChanged;
+        AddHandler(System.Windows.Controls.PasswordBox.PasswordChangedEvent, _passwordBoxsPasswordChangedEventHandler);
 
-        private bool _changed;
+        _passwordBoxsGotFocusEventHandler = PasswordBoxsGotFocus;
+        AddHandler(GotFocusEvent, _passwordBoxsGotFocusEventHandler);
 
-        private bool _isInternalAction;
+        FocusPasswordBox();
+    }
 
-        private List<SecureString> _passwordList;
-
-        private RoutedEventHandler _passwordBoxsGotFocusEventHandler;
-
-        private RoutedEventHandler _passwordBoxsPasswordChangedEventHandler;
-
-        public PinBox()
+    private void FocusPasswordBox()
+    {
+        if (!IsFocused)
         {
-            Loaded += PinBox_Loaded;
-            Unloaded += PinBox_Unloaded;
+            return;
         }
 
-        private void PinBox_Unloaded(object sender, RoutedEventArgs e)
+        if (_panel.Children.Count == 0)
         {
-            RemoveHandler(System.Windows.Controls.PasswordBox.PasswordChangedEvent, _passwordBoxsPasswordChangedEventHandler);
-            RemoveHandler(GotFocusEvent, _passwordBoxsGotFocusEventHandler);
-
-            Loaded -= PinBox_Loaded;
-            Unloaded -= PinBox_Unloaded;
+            return;
         }
 
-        private void PinBox_Loaded(object sender, RoutedEventArgs e)
+        if (_panel.Children.OfType<System.Windows.Controls.PasswordBox>().Any(box => box.IsFocused))
         {
-            _passwordBoxsPasswordChangedEventHandler = PasswordBoxsPasswordChanged;
-            AddHandler(System.Windows.Controls.PasswordBox.PasswordChangedEvent, _passwordBoxsPasswordChangedEventHandler);
-
-            _passwordBoxsGotFocusEventHandler = PasswordBoxsGotFocus;
-            AddHandler(GotFocusEvent, _passwordBoxsGotFocusEventHandler);
-
-            FocusPasswordBox();
+            return;
         }
 
-        private void FocusPasswordBox()
+        FocusManager.SetFocusedElement(this, _panel.Children[0]);
+    }
+
+    private void PasswordBoxsPasswordChanged(object sender, RoutedEventArgs e)
+    {
+        if (_isInternalAction) return;
+
+        if (e.OriginalSource is System.Windows.Controls.PasswordBox passwordBox)
         {
-            if (!IsFocused)
-            {
-                return;
-            }
-
-            if (_panel.Children.Count == 0)
-            {
-                return;
-            }
-
-            if (_panel.Children.OfType<System.Windows.Controls.PasswordBox>().Any(box => box.IsFocused))
-            {
-                return;
-            }
-
-            FocusManager.SetFocusedElement(this, _panel.Children[0]);
-        }
-
-        private void PasswordBoxsPasswordChanged(object sender, RoutedEventArgs e)
-        {
-            if (_isInternalAction) return;
-
-            if (e.OriginalSource is System.Windows.Controls.PasswordBox passwordBox)
-            {
-                if (passwordBox.Password.Length > 0)
-                {
-                    if (++_inputIndex >= Length)
-                    {
-                        _inputIndex = Length - 1;
-
-                        if (_panel.Children.OfType<System.Windows.Controls.PasswordBox>()
-                            .All(item => item.Password.Any()))
-                        {
-                            FocusManager.SetFocusedElement(this, null);
-                            Keyboard.ClearFocus();
-                            RaiseEvent(new RoutedEventArgs(CompletedEvent, this));
-                        }
-                        return;
-                    }
-                }
-                else
-                {
-                    if (--_inputIndex < 0)
-                    {
-                        _inputIndex = 0;
-                        return;
-                    }
-                }
-
-                _changed = true;
-                FocusManager.SetFocusedElement(this, _panel.Children[_inputIndex]);
-            }
-        }
-
-        private void PasswordBoxsGotFocus(object sender, RoutedEventArgs e)
-        {
-            if (e.OriginalSource is System.Windows.Controls.PasswordBox passwordBox)
-            {
-                _inputIndex = _panel.Children.IndexOf(passwordBox);
-                passwordBox.SelectAll();
-            }
-        }
-
-        protected override void OnPreviewKeyDown(KeyEventArgs e)
-        {
-            base.OnPreviewKeyUp(e);
-
-            if (e.Key == Key.Left)
-            {
-                if (--_inputIndex < 0)
-                {
-                    _inputIndex = 0;
-                    return;
-                }
-
-                var passwordBox = _panel.Children[_inputIndex] as System.Windows.Controls.PasswordBox;
-                passwordBox?.SelectAll();
-
-                FocusManager.SetFocusedElement(this, passwordBox);
-            }
-            else if (e.Key == Key.Right)
+            if (passwordBox.Password.Length > 0)
             {
                 if (++_inputIndex >= Length)
                 {
                     _inputIndex = Length - 1;
+
+                    if (_panel.Children.OfType<System.Windows.Controls.PasswordBox>()
+                        .All(item => item.Password.Any()))
+                    {
+                        FocusManager.SetFocusedElement(this, null);
+                        Keyboard.ClearFocus();
+                        RaiseEvent(new RoutedEventArgs(CompletedEvent, this));
+                    }
                     return;
                 }
-
-                var passwordBox = _panel.Children[_inputIndex] as System.Windows.Controls.PasswordBox;
-                passwordBox?.SelectAll();
-
-                FocusManager.SetFocusedElement(this, passwordBox);
             }
-        }
-
-        protected override void OnPreviewKeyUp(KeyEventArgs e)
-        {
-            base.OnPreviewKeyUp(e);
-
-            if (_changed)
+            else
             {
-                _changed = false;
-                return;
-            }
-
-            if (e.Key == Key.Delete || e.Key == Key.Back)
-            {
-                if (_panel.Children[_inputIndex] is System.Windows.Controls.PasswordBox passwordBox)
-                {
-                    _isInternalAction = true;
-                    passwordBox.Clear();
-                    _isInternalAction = false;
-                }
-
                 if (--_inputIndex < 0)
                 {
                     _inputIndex = 0;
                     return;
                 }
-
-                FocusManager.SetFocusedElement(this, _panel.Children[_inputIndex]);
             }
-        }
 
-        public string Password
+            _changed = true;
+            FocusManager.SetFocusedElement(this, _panel.Children[_inputIndex]);
+        }
+    }
+
+    private void PasswordBoxsGotFocus(object sender, RoutedEventArgs e)
+    {
+        if (e.OriginalSource is System.Windows.Controls.PasswordBox passwordBox)
         {
-            get
+            _inputIndex = _panel.Children.IndexOf(passwordBox);
+            passwordBox.SelectAll();
+        }
+    }
+
+    protected override void OnPreviewKeyDown(KeyEventArgs e)
+    {
+        base.OnPreviewKeyUp(e);
+
+        if (e.Key == Key.Left)
+        {
+            if (--_inputIndex < 0)
             {
-                return string.Join("", _panel.Children.OfType<System.Windows.Controls.PasswordBox>().Select(item => item.Password));
+                _inputIndex = 0;
+                return;
             }
-            set
+
+            var passwordBox = _panel.Children[_inputIndex] as System.Windows.Controls.PasswordBox;
+            passwordBox?.SelectAll();
+
+            FocusManager.SetFocusedElement(this, passwordBox);
+        }
+        else if (e.Key == Key.Right)
+        {
+            if (++_inputIndex >= Length)
             {
-                if (_panel == null)
-                {
-                    _passwordList = new List<SecureString>();
-
-                    value ??= string.Empty;
-
-                    foreach (var item in value)
-                    {
-                        var secureString = new SecureString();
-                        secureString.AppendChar(item);
-                        _passwordList.Add(secureString);
-                    }
-
-                    return;
-                }
-
-                var length = Length;
-                if (string.IsNullOrEmpty(value) || value.Length != length || value.Length != _panel.Children.Count)
-                {
-                    _panel.Children.OfType<System.Windows.Controls.PasswordBox>().Do(item => item.Clear());
-                }
-                else
-                {
-                    _panel.Children.OfType<System.Windows.Controls.PasswordBox>().DoWithIndex((item, index) => item.Password = value[index].ToString());
-                }
+                _inputIndex = Length - 1;
+                return;
             }
+
+            var passwordBox = _panel.Children[_inputIndex] as System.Windows.Controls.PasswordBox;
+            passwordBox?.SelectAll();
+
+            FocusManager.SetFocusedElement(this, passwordBox);
+        }
+    }
+
+    protected override void OnPreviewKeyUp(KeyEventArgs e)
+    {
+        base.OnPreviewKeyUp(e);
+
+        if (_changed)
+        {
+            _changed = false;
+            return;
         }
 
-        /// <summary>
-        ///     掩码字符
-        /// </summary>
-        public static readonly DependencyProperty PasswordCharProperty =
-            System.Windows.Controls.PasswordBox.PasswordCharProperty.AddOwner(typeof(PinBox),
-                new FrameworkPropertyMetadata('●'));
-
-        public char PasswordChar
+        if (e.Key == Key.Delete || e.Key == Key.Back)
         {
-            get => (char) GetValue(PasswordCharProperty);
-            set => SetValue(PasswordCharProperty, value);
+            if (_panel.Children[_inputIndex] is System.Windows.Controls.PasswordBox passwordBox)
+            {
+                _isInternalAction = true;
+                passwordBox.Clear();
+                _isInternalAction = false;
+            }
+
+            if (--_inputIndex < 0)
+            {
+                _inputIndex = 0;
+                return;
+            }
+
+            FocusManager.SetFocusedElement(this, _panel.Children[_inputIndex]);
         }
+    }
 
-        public static readonly DependencyProperty LengthProperty = DependencyProperty.Register(
-            "Length", typeof(int), typeof(PinBox), new PropertyMetadata(MinLength, OnLengthChanged, CoerceLength), ValidateHelper.IsInRangeOfPosInt);
-
-        private static void OnLengthChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    public string Password
+    {
+        get
         {
-            var ctl = (PinBox) d;
-            ctl.UpdateItems();
+            return string.Join("", _panel.Children.OfType<System.Windows.Controls.PasswordBox>().Select(item => item.Password));
         }
-
-        private static object CoerceLength(DependencyObject d, object basevalue) => (int) basevalue < 4 ? MinLength : basevalue;
-
-        public int Length
+        set
         {
-            get => (int) GetValue(LengthProperty);
-            set => SetValue(LengthProperty, value);
-        }
+            if (_panel == null)
+            {
+                _passwordList = new List<SecureString>();
 
-        public static readonly DependencyProperty ItemMarginProperty = DependencyProperty.Register(
-            "ItemMargin", typeof(Thickness), typeof(PinBox), new PropertyMetadata(default(Thickness)));
+                value ??= string.Empty;
 
-        public Thickness ItemMargin
-        {
-            get => (Thickness) GetValue(ItemMarginProperty);
-            set => SetValue(ItemMarginProperty, value);
-        }
+                foreach (var item in value)
+                {
+                    var secureString = new SecureString();
+                    secureString.AppendChar(item);
+                    _passwordList.Add(secureString);
+                }
 
-        public static readonly DependencyProperty ItemWidthProperty = DependencyProperty.Register(
-            "ItemWidth", typeof(double), typeof(PinBox), new PropertyMetadata(ValueBoxes.Double0Box));
+                return;
+            }
 
-        public double ItemWidth
-        {
-            get => (double) GetValue(ItemWidthProperty);
-            set => SetValue(ItemWidthProperty, value);
-        }
-
-        public static readonly DependencyProperty ItemHeightProperty = DependencyProperty.Register(
-            "ItemHeight", typeof(double), typeof(PinBox), new PropertyMetadata(ValueBoxes.Double0Box));
-
-        public double ItemHeight
-        {
-            get => (double) GetValue(ItemHeightProperty);
-            set => SetValue(ItemHeightProperty, value);
-        }
-
-        public static readonly DependencyProperty SelectionBrushProperty =
-            TextBoxBase.SelectionBrushProperty.AddOwner(typeof(PinBox));
-
-        public Brush SelectionBrush
-        {
-            get => (Brush) GetValue(SelectionBrushProperty);
-            set => SetValue(SelectionBrushProperty, value);
-        }
-
-#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
-
-        public static readonly DependencyProperty SelectionTextBrushProperty =
-            TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(PinBox));
-
-        public Brush SelectionTextBrush
-        {
-            get => (Brush) GetValue(SelectionTextBrushProperty);
-            set => SetValue(SelectionTextBrushProperty, value);
-        }
-
-#endif
-
-        public static readonly DependencyProperty SelectionOpacityProperty =
-            TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(PinBox));
-
-        public double SelectionOpacity
-        {
-            get => (double) GetValue(SelectionOpacityProperty);
-            set => SetValue(SelectionOpacityProperty, value);
-        }
-
-        public static readonly DependencyProperty CaretBrushProperty =
-            TextBoxBase.CaretBrushProperty.AddOwner(typeof(PinBox));
-
-        public Brush CaretBrush
-        {
-            get => (Brush) GetValue(CaretBrushProperty);
-            set => SetValue(CaretBrushProperty, value);
-        }
-
-        public static readonly RoutedEvent CompletedEvent =
-            EventManager.RegisterRoutedEvent("Completed", RoutingStrategy.Bubble,
-                typeof(RoutedEventHandler), typeof(PinBox));
-
-        public event RoutedEventHandler Completed
-        {
-            add => AddHandler(CompletedEvent, value);
-            remove => RemoveHandler(CompletedEvent, value);
-        }
-
-        private void UpdateItems()
-        {
-            if (_panel == null) return;
-
-            _panel.Children.Clear();
             var length = Length;
-
-            for (var i = 0; i < length; i++)
+            if (string.IsNullOrEmpty(value) || value.Length != length || value.Length != _panel.Children.Count)
             {
-                _panel.Children.Add(CreatePasswordBox());
+                _panel.Children.OfType<System.Windows.Controls.PasswordBox>().Do(item => item.Clear());
+            }
+            else
+            {
+                _panel.Children.OfType<System.Windows.Controls.PasswordBox>().DoWithIndex((item, index) => item.Password = value[index].ToString());
             }
         }
+    }
 
-        private System.Windows.Controls.PasswordBox CreatePasswordBox()
-        {
-            var passwordBox = new System.Windows.Controls.PasswordBox
-            {
-                MaxLength = 1,
-                HorizontalContentAlignment = HorizontalAlignment.Center,
-                VerticalAlignment = VerticalAlignment.Center,
-                Margin = ItemMargin,
-                Width = ItemWidth,
-                Height = ItemHeight,
-                Padding = default,
-                PasswordChar = PasswordChar,
-                Foreground = Foreground
-            };
+    /// <summary>
+    ///     掩码字符
+    /// </summary>
+    public static readonly DependencyProperty PasswordCharProperty =
+        System.Windows.Controls.PasswordBox.PasswordCharProperty.AddOwner(typeof(PinBox),
+            new FrameworkPropertyMetadata('●'));
+
+    public char PasswordChar
+    {
+        get => (char) GetValue(PasswordCharProperty);
+        set => SetValue(PasswordCharProperty, value);
+    }
+
+    public static readonly DependencyProperty LengthProperty = DependencyProperty.Register(
+        "Length", typeof(int), typeof(PinBox), new PropertyMetadata(MinLength, OnLengthChanged, CoerceLength), ValidateHelper.IsInRangeOfPosInt);
+
+    private static void OnLengthChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (PinBox) d;
+        ctl.UpdateItems();
+    }
+
+    private static object CoerceLength(DependencyObject d, object basevalue) => (int) basevalue < 4 ? MinLength : basevalue;
+
+    public int Length
+    {
+        get => (int) GetValue(LengthProperty);
+        set => SetValue(LengthProperty, value);
+    }
+
+    public static readonly DependencyProperty ItemMarginProperty = DependencyProperty.Register(
+        "ItemMargin", typeof(Thickness), typeof(PinBox), new PropertyMetadata(default(Thickness)));
+
+    public Thickness ItemMargin
+    {
+        get => (Thickness) GetValue(ItemMarginProperty);
+        set => SetValue(ItemMarginProperty, value);
+    }
+
+    public static readonly DependencyProperty ItemWidthProperty = DependencyProperty.Register(
+        "ItemWidth", typeof(double), typeof(PinBox), new PropertyMetadata(ValueBoxes.Double0Box));
+
+    public double ItemWidth
+    {
+        get => (double) GetValue(ItemWidthProperty);
+        set => SetValue(ItemWidthProperty, value);
+    }
+
+    public static readonly DependencyProperty ItemHeightProperty = DependencyProperty.Register(
+        "ItemHeight", typeof(double), typeof(PinBox), new PropertyMetadata(ValueBoxes.Double0Box));
+
+    public double ItemHeight
+    {
+        get => (double) GetValue(ItemHeightProperty);
+        set => SetValue(ItemHeightProperty, value);
+    }
+
+    public static readonly DependencyProperty SelectionBrushProperty =
+        TextBoxBase.SelectionBrushProperty.AddOwner(typeof(PinBox));
+
+    public Brush SelectionBrush
+    {
+        get => (Brush) GetValue(SelectionBrushProperty);
+        set => SetValue(SelectionBrushProperty, value);
+    }
 
-            passwordBox.SetBinding(SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
 #if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
-            passwordBox.SetBinding(SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
+
+    public static readonly DependencyProperty SelectionTextBrushProperty =
+        TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(PinBox));
+
+    public Brush SelectionTextBrush
+    {
+        get => (Brush) GetValue(SelectionTextBrushProperty);
+        set => SetValue(SelectionTextBrushProperty, value);
+    }
+
 #endif
-            passwordBox.SetBinding(SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
-            passwordBox.SetBinding(CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
 
-            return passwordBox;
-        }
+    public static readonly DependencyProperty SelectionOpacityProperty =
+        TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(PinBox));
 
-        public override void OnApplyTemplate()
+    public double SelectionOpacity
+    {
+        get => (double) GetValue(SelectionOpacityProperty);
+        set => SetValue(SelectionOpacityProperty, value);
+    }
+
+    public static readonly DependencyProperty CaretBrushProperty =
+        TextBoxBase.CaretBrushProperty.AddOwner(typeof(PinBox));
+
+    public Brush CaretBrush
+    {
+        get => (Brush) GetValue(CaretBrushProperty);
+        set => SetValue(CaretBrushProperty, value);
+    }
+
+    public static readonly RoutedEvent CompletedEvent =
+        EventManager.RegisterRoutedEvent("Completed", RoutingStrategy.Bubble,
+            typeof(RoutedEventHandler), typeof(PinBox));
+
+    public event RoutedEventHandler Completed
+    {
+        add => AddHandler(CompletedEvent, value);
+        remove => RemoveHandler(CompletedEvent, value);
+    }
+
+    private void UpdateItems()
+    {
+        if (_panel == null) return;
+
+        _panel.Children.Clear();
+        var length = Length;
+
+        for (var i = 0; i < length; i++)
         {
-            base.OnApplyTemplate();
+            _panel.Children.Add(CreatePasswordBox());
+        }
+    }
 
-            _panel = GetTemplateChild(ElementPanel) as Panel;
-            if (_panel != null)
+    private System.Windows.Controls.PasswordBox CreatePasswordBox()
+    {
+        var passwordBox = new System.Windows.Controls.PasswordBox
+        {
+            MaxLength = 1,
+            HorizontalContentAlignment = HorizontalAlignment.Center,
+            VerticalAlignment = VerticalAlignment.Center,
+            Margin = ItemMargin,
+            Width = ItemWidth,
+            Height = ItemHeight,
+            Padding = default,
+            PasswordChar = PasswordChar,
+            Foreground = Foreground
+        };
+
+        passwordBox.SetBinding(SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
+#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
+        passwordBox.SetBinding(SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
+#endif
+        passwordBox.SetBinding(SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
+        passwordBox.SetBinding(CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
+
+        return passwordBox;
+    }
+
+    public override void OnApplyTemplate()
+    {
+        base.OnApplyTemplate();
+
+        _panel = GetTemplateChild(ElementPanel) as Panel;
+        if (_panel != null)
+        {
+            UpdateItems();
+
+            var length = Length;
+            if (_passwordList != null && _passwordList.Count == length && _panel.Children.Count == length)
             {
-                UpdateItems();
-
-                var length = Length;
-                if (_passwordList != null && _passwordList.Count == length && _panel.Children.Count == length)
+                for (var i = 0; i < length; i++)
                 {
-                    for (var i = 0; i < length; i++)
+                    var password = _passwordList[i];
+                    if (password.Length > 0)
                     {
-                        var password = _passwordList[i];
-                        if (password.Length > 0)
+                        var valuePtr = IntPtr.Zero;
+                        try
                         {
-                            var valuePtr = IntPtr.Zero;
-                            try
+                            valuePtr = Marshal.SecureStringToGlobalAllocUnicode(password);
+                            if (_panel.Children[i] is System.Windows.Controls.PasswordBox passwordBox)
                             {
-                                valuePtr = Marshal.SecureStringToGlobalAllocUnicode(password);
-                                if (_panel.Children[i] is System.Windows.Controls.PasswordBox passwordBox)
-                                {
-                                    passwordBox.Password = Marshal.PtrToStringUni(valuePtr) ?? throw new InvalidOperationException();
-                                }
-                            }
-                            finally
-                            {
-                                Marshal.ZeroFreeGlobalAllocUnicode(valuePtr);
-                                password.Clear();
+                                passwordBox.Password = Marshal.PtrToStringUni(valuePtr) ?? throw new InvalidOperationException();
                             }
                         }
+                        finally
+                        {
+                            Marshal.ZeroFreeGlobalAllocUnicode(valuePtr);
+                            password.Clear();
+                        }
                     }
-
-                    _passwordList.Clear();
                 }
+
+                _passwordList.Clear();
             }
         }
     }

src/Shared/HandyControl_Shared/Controls/Input/SearchBar.cs

@@ -5,128 +5,126 @@ using System.Windows.Input;
 using HandyControl.Data;
 using HandyControl.Interactivity;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class SearchBar : TextBox, ICommandSource
 {
-    public class SearchBar : TextBox, ICommandSource
+    public SearchBar()
     {
-        public SearchBar()
+        CommandBindings.Add(new CommandBinding(ControlCommands.Search, (s, e) => OnSearchStarted()));
+    }
+
+    public static readonly RoutedEvent SearchStartedEvent =
+        EventManager.RegisterRoutedEvent("SearchStarted", RoutingStrategy.Bubble,
+            typeof(EventHandler<FunctionEventArgs<string>>), typeof(SearchBar));
+
+    public event EventHandler<FunctionEventArgs<string>> SearchStarted
+    {
+        add => AddHandler(SearchStartedEvent, value);
+        remove => RemoveHandler(SearchStartedEvent, value);
+    }
+
+    protected override void OnKeyDown(KeyEventArgs e)
+    {
+        base.OnKeyDown(e);
+
+        if (e.Key == Key.Enter)
         {
-            CommandBindings.Add(new CommandBinding(ControlCommands.Search, (s, e) => OnSearchStarted()));
-        }
-
-        public static readonly RoutedEvent SearchStartedEvent =
-            EventManager.RegisterRoutedEvent("SearchStarted", RoutingStrategy.Bubble,
-                typeof(EventHandler<FunctionEventArgs<string>>), typeof(SearchBar));
-
-        public event EventHandler<FunctionEventArgs<string>> SearchStarted
-        {
-            add => AddHandler(SearchStartedEvent, value);
-            remove => RemoveHandler(SearchStartedEvent, value);
-        }
-
-        protected override void OnKeyDown(KeyEventArgs e)
-        {
-            base.OnKeyDown(e);
-
-            if (e.Key == Key.Enter)
-            {
-                OnSearchStarted();
-            }
-        }
-
-        protected override void OnTextChanged(TextChangedEventArgs e)
-        {
-            base.OnTextChanged(e);
-
-            if (IsRealTime)
-            {
-                OnSearchStarted();
-            }
-            VerifyData();
-        }
-
-        private void OnSearchStarted()
-        {
-            RaiseEvent(new FunctionEventArgs<string>(SearchStartedEvent, this)
-            {
-                Info = Text
-            });
-
-            switch (Command)
-            {
-                case null:
-                    return;
-                case RoutedCommand command:
-                    command.Execute(CommandParameter, CommandTarget);
-                    break;
-                default:
-                    Command.Execute(CommandParameter);
-                    break;
-            }
-        }
-
-        /// <summary>
-        ///     是否实时搜索
-        /// </summary>
-        public static readonly DependencyProperty IsRealTimeProperty = DependencyProperty.Register(
-            "IsRealTime", typeof(bool), typeof(SearchBar), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        /// <summary>
-        ///     是否实时搜索
-        /// </summary>
-        public bool IsRealTime
-        {
-            get => (bool) GetValue(IsRealTimeProperty);
-            set => SetValue(IsRealTimeProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty CommandProperty = DependencyProperty.Register(
-            "Command", typeof(ICommand), typeof(SearchBar), new PropertyMetadata(default(ICommand), OnCommandChanged));
-
-        private static void OnCommandChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (SearchBar) d;
-            if (e.OldValue is ICommand oldCommand)
-            {
-                oldCommand.CanExecuteChanged -= ctl.CanExecuteChanged;
-            }
-            if (e.NewValue is ICommand newCommand)
-            {
-                newCommand.CanExecuteChanged += ctl.CanExecuteChanged;
-            }
-        }
-
-        public ICommand Command
-        {
-            get => (ICommand) GetValue(CommandProperty);
-            set => SetValue(CommandProperty, value);
-        }
-
-        public static readonly DependencyProperty CommandParameterProperty = DependencyProperty.Register(
-            "CommandParameter", typeof(object), typeof(SearchBar), new PropertyMetadata(default(object)));
-
-        public object CommandParameter
-        {
-            get => GetValue(CommandParameterProperty);
-            set => SetValue(CommandParameterProperty, value);
-        }
-
-        public static readonly DependencyProperty CommandTargetProperty = DependencyProperty.Register(
-            "CommandTarget", typeof(IInputElement), typeof(SearchBar), new PropertyMetadata(default(IInputElement)));
-
-        public IInputElement CommandTarget
-        {
-            get => (IInputElement) GetValue(CommandTargetProperty);
-            set => SetValue(CommandTargetProperty, value);
-        }
-
-        private void CanExecuteChanged(object sender, EventArgs e)
-        {
-            if (Command == null) return;
-
-            IsEnabled = Command is RoutedCommand command
-                ? command.CanExecute(CommandParameter, CommandTarget)
-                : Command.CanExecute(CommandParameter);
+            OnSearchStarted();
         }
     }
+
+    protected override void OnTextChanged(TextChangedEventArgs e)
+    {
+        base.OnTextChanged(e);
+
+        if (IsRealTime)
+        {
+            OnSearchStarted();
+        }
+    }
+
+    private void OnSearchStarted()
+    {
+        RaiseEvent(new FunctionEventArgs<string>(SearchStartedEvent, this)
+        {
+            Info = Text
+        });
+
+        switch (Command)
+        {
+            case null:
+                return;
+            case RoutedCommand command:
+                command.Execute(CommandParameter, CommandTarget);
+                break;
+            default:
+                Command.Execute(CommandParameter);
+                break;
+        }
+    }
+
+    /// <summary>
+    ///     是否实时搜索
+    /// </summary>
+    public static readonly DependencyProperty IsRealTimeProperty = DependencyProperty.Register(
+        "IsRealTime", typeof(bool), typeof(SearchBar), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    /// <summary>
+    ///     是否实时搜索
+    /// </summary>
+    public bool IsRealTime
+    {
+        get => (bool) GetValue(IsRealTimeProperty);
+        set => SetValue(IsRealTimeProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty CommandProperty = DependencyProperty.Register(
+        "Command", typeof(ICommand), typeof(SearchBar), new PropertyMetadata(default(ICommand), OnCommandChanged));
+
+    private static void OnCommandChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (SearchBar) d;
+        if (e.OldValue is ICommand oldCommand)
+        {
+            oldCommand.CanExecuteChanged -= ctl.CanExecuteChanged;
+        }
+        if (e.NewValue is ICommand newCommand)
+        {
+            newCommand.CanExecuteChanged += ctl.CanExecuteChanged;
+        }
+    }
+
+    public ICommand Command
+    {
+        get => (ICommand) GetValue(CommandProperty);
+        set => SetValue(CommandProperty, value);
+    }
+
+    public static readonly DependencyProperty CommandParameterProperty = DependencyProperty.Register(
+        "CommandParameter", typeof(object), typeof(SearchBar), new PropertyMetadata(default(object)));
+
+    public object CommandParameter
+    {
+        get => GetValue(CommandParameterProperty);
+        set => SetValue(CommandParameterProperty, value);
+    }
+
+    public static readonly DependencyProperty CommandTargetProperty = DependencyProperty.Register(
+        "CommandTarget", typeof(IInputElement), typeof(SearchBar), new PropertyMetadata(default(IInputElement)));
+
+    public IInputElement CommandTarget
+    {
+        get => (IInputElement) GetValue(CommandTargetProperty);
+        set => SetValue(CommandTargetProperty, value);
+    }
+
+    private void CanExecuteChanged(object sender, EventArgs e)
+    {
+        if (Command == null) return;
+
+        IsEnabled = Command is RoutedCommand command
+            ? command.CanExecute(CommandParameter, CommandTarget)
+            : Command.CanExecute(CommandParameter);
+    }
 }

src/Shared/HandyControl_Shared/Controls/Input/TextBox.cs

@@ -1,138 +1,15 @@
-using System;
-using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Input;
-using HandyControl.Data;
+using System.Windows.Input;
 using HandyControl.Interactivity;
-using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class TextBox : System.Windows.Controls.TextBox
 {
-    public class TextBox : System.Windows.Controls.TextBox, IDataInput
+    public TextBox()
     {
-        public TextBox()
+        CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
         {
-            CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
-            {
-                SetCurrentValue(TextProperty, "");
-            }));
-        }
-
-        protected override void OnTextChanged(TextChangedEventArgs e)
-        {
-            base.OnTextChanged(e);
-            VerifyData();
-        }
-
-        public Func<string, OperationResult<bool>> VerifyFunc { get; set; }
-
-        /// <summary>
-        ///     数据是否错误
-        /// </summary>
-        public static readonly DependencyProperty IsErrorProperty = DependencyProperty.Register(
-            "IsError", typeof(bool), typeof(TextBox), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool IsError
-        {
-            get => (bool) GetValue(IsErrorProperty);
-            set => SetValue(IsErrorProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        /// <summary>
-        ///     错误提示
-        /// </summary>
-        public static readonly DependencyProperty ErrorStrProperty = DependencyProperty.Register(
-            "ErrorStr", typeof(string), typeof(TextBox), new PropertyMetadata(default(string)));
-
-        public string ErrorStr
-        {
-            get => (string) GetValue(ErrorStrProperty);
-            set => SetValue(ErrorStrProperty, value);
-        }
-
-        /// <summary>
-        ///     文本类型
-        /// </summary>
-        public static readonly DependencyProperty TextTypeProperty = DependencyProperty.Register(
-            "TextType", typeof(TextType), typeof(TextBox), new PropertyMetadata(default(TextType)));
-
-        public TextType TextType
-        {
-            get => (TextType) GetValue(TextTypeProperty);
-            set => SetValue(TextTypeProperty, value);
-        }
-
-        /// <summary>
-        ///     是否显示清除按钮
-        /// </summary>
-        public static readonly DependencyProperty ShowClearButtonProperty = DependencyProperty.Register(
-            "ShowClearButton", typeof(bool), typeof(TextBox), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool ShowClearButton
-        {
-            get => (bool) GetValue(ShowClearButtonProperty);
-            set => SetValue(ShowClearButtonProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public virtual bool VerifyData()
-        {
-            OperationResult<bool> result;
-
-            if (VerifyFunc != null)
-            {
-                result = VerifyFunc.Invoke(Text);
-            }
-            else
-            {
-                if (!string.IsNullOrEmpty(Text))
-                {
-                    if (TextType != TextType.Common)
-                    {
-                        var regexPattern = InfoElement.GetRegexPattern(this);
-                        result = string.IsNullOrEmpty(regexPattern)
-                            ? Text.IsKindOf(TextType)
-                                ? OperationResult.Success()
-                                : OperationResult.Failed(Properties.Langs.Lang.FormatError)
-                            : Text.IsKindOf(regexPattern)
-                                ? OperationResult.Success()
-                                : OperationResult.Failed(Properties.Langs.Lang.FormatError);
-                    }
-                    else
-                    {
-                        result = OperationResult.Success();
-                    }
-                }
-                else if (InfoElement.GetNecessary(this))
-                {
-                    result = OperationResult.Failed(Properties.Langs.Lang.IsNecessary);
-                }
-                else
-                {
-                    result = OperationResult.Success();
-                }
-            }
-
-            var isError = !result.Data;
-            if (isError)
-            {
-                SetCurrentValue(IsErrorProperty, ValueBoxes.TrueBox);
-                SetCurrentValue(ErrorStrProperty, result.Message);
-            }
-            else
-            {
-                isError = Validation.GetHasError(this);
-                if (isError)
-                {
-                    SetCurrentValue(ErrorStrProperty, Validation.GetErrors(this)[0].ErrorContent?.ToString());
-                }
-                else
-                {
-                    SetCurrentValue(IsErrorProperty, ValueBoxes.FalseBox);
-                    SetCurrentValue(ErrorStrProperty, default(string));
-                }
-            }
-
-            return !isError;
-        }
+            SetCurrentValue(TextProperty, string.Empty);
+        }));
     }
 }

src/Shared/HandyControl_Shared/Controls/Input/WatermarkTextBox.cs

@@ -1,35 +1,34 @@
 using System.Windows;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class WatermarkTextBox : TextBox
 {
-    public class WatermarkTextBox : TextBox
+    #region Public Properties
+
+    #region Watermark
+
+    public static readonly DependencyProperty WatermarkProperty = DependencyProperty.Register(
+        "Watermark", typeof(object), typeof(WatermarkTextBox), new PropertyMetadata(default(object)));
+
+    public object Watermark
     {
-        #region Public Properties
+        get => GetValue(WatermarkProperty);
+        set => SetValue(WatermarkProperty, value);
+    }
 
-        #region Watermark
+    #endregion Watermark
 
-        public static readonly DependencyProperty WatermarkProperty = DependencyProperty.Register(
-            "Watermark", typeof(object), typeof(WatermarkTextBox), new PropertyMetadata(default(object)));
+    #endregion Public Properties
 
-        public object Watermark
+    protected override void OnGotFocus(RoutedEventArgs e)
+    {
+        base.OnGotFocus(e);
+        if (IsEnabled)
         {
-            get => GetValue(WatermarkProperty);
-            set => SetValue(WatermarkProperty, value);
-        }
-
-        #endregion Watermark
-
-        #endregion Public Properties
-
-        protected override void OnGotFocus(RoutedEventArgs e)
-        {
-            base.OnGotFocus(e);
-            if (IsEnabled)
+            if (!string.IsNullOrEmpty(Text))
             {
-                if (!string.IsNullOrEmpty(Text))
-                {
-                    Select(0, Text.Length);
-                }
+                Select(0, Text.Length);
             }
         }
     }

src/Shared/HandyControl_Shared/Controls/Loading/LoadingBase.cs

@@ -7,130 +7,129 @@ using System.Windows.Shapes;
 using HandyControl.Data;
 
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public abstract class LoadingBase : ContentControl
 {
-    public abstract class LoadingBase : ContentControl
-    {
-        protected Storyboard Storyboard;
+    protected Storyboard Storyboard;
 
-        public static readonly DependencyProperty IsRunningProperty = DependencyProperty.Register(
-            "IsRunning", typeof(bool), typeof(LoadingBase), new PropertyMetadata(ValueBoxes.TrueBox, (o, args) =>
+    public static readonly DependencyProperty IsRunningProperty = DependencyProperty.Register(
+        "IsRunning", typeof(bool), typeof(LoadingBase), new PropertyMetadata(ValueBoxes.TrueBox, (o, args) =>
+        {
+            var ctl = (LoadingBase) o;
+            var v = (bool) args.NewValue;
+            if (v)
             {
-                var ctl = (LoadingBase) o;
-                var v = (bool) args.NewValue;
-                if (v)
-                {
-                    ctl.Storyboard?.Resume();
-                }
-                else
-                {
-                    ctl.Storyboard?.Pause();
-                }
-            }));
+                ctl.Storyboard?.Resume();
+            }
+            else
+            {
+                ctl.Storyboard?.Pause();
+            }
+        }));
 
-        public bool IsRunning
-        {
-            get => (bool) GetValue(IsRunningProperty);
-            set => SetValue(IsRunningProperty, ValueBoxes.BooleanBox(value));
-        }
+    public bool IsRunning
+    {
+        get => (bool) GetValue(IsRunningProperty);
+        set => SetValue(IsRunningProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        public static readonly DependencyProperty DotCountProperty = DependencyProperty.Register(
-            "DotCount", typeof(int), typeof(LoadingBase),
-            new FrameworkPropertyMetadata(ValueBoxes.Int5Box, FrameworkPropertyMetadataOptions.AffectsRender));
+    public static readonly DependencyProperty DotCountProperty = DependencyProperty.Register(
+        "DotCount", typeof(int), typeof(LoadingBase),
+        new FrameworkPropertyMetadata(ValueBoxes.Int5Box, FrameworkPropertyMetadataOptions.AffectsRender));
 
-        public static readonly DependencyProperty DotIntervalProperty = DependencyProperty.Register(
-            "DotInterval", typeof(double), typeof(LoadingBase),
-            new FrameworkPropertyMetadata(ValueBoxes.Double10Box, FrameworkPropertyMetadataOptions.AffectsRender));
+    public static readonly DependencyProperty DotIntervalProperty = DependencyProperty.Register(
+        "DotInterval", typeof(double), typeof(LoadingBase),
+        new FrameworkPropertyMetadata(ValueBoxes.Double10Box, FrameworkPropertyMetadataOptions.AffectsRender));
 
-        public static readonly DependencyProperty DotBorderBrushProperty = DependencyProperty.Register(
-            "DotBorderBrush", typeof(Brush), typeof(LoadingBase),
-            new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.AffectsRender));
+    public static readonly DependencyProperty DotBorderBrushProperty = DependencyProperty.Register(
+        "DotBorderBrush", typeof(Brush), typeof(LoadingBase),
+        new FrameworkPropertyMetadata(default(Brush), FrameworkPropertyMetadataOptions.AffectsRender));
 
-        public static readonly DependencyProperty DotBorderThicknessProperty = DependencyProperty.Register(
-            "DotBorderThickness", typeof(double), typeof(LoadingBase),
-            new FrameworkPropertyMetadata(ValueBoxes.Double0Box, FrameworkPropertyMetadataOptions.AffectsRender));
+    public static readonly DependencyProperty DotBorderThicknessProperty = DependencyProperty.Register(
+        "DotBorderThickness", typeof(double), typeof(LoadingBase),
+        new FrameworkPropertyMetadata(ValueBoxes.Double0Box, FrameworkPropertyMetadataOptions.AffectsRender));
 
-        public static readonly DependencyProperty DotDiameterProperty = DependencyProperty.Register(
-            "DotDiameter", typeof(double), typeof(LoadingBase),
-            new FrameworkPropertyMetadata(6.0, FrameworkPropertyMetadataOptions.AffectsRender));
+    public static readonly DependencyProperty DotDiameterProperty = DependencyProperty.Register(
+        "DotDiameter", typeof(double), typeof(LoadingBase),
+        new FrameworkPropertyMetadata(6.0, FrameworkPropertyMetadataOptions.AffectsRender));
 
-        public static readonly DependencyProperty DotSpeedProperty = DependencyProperty.Register(
-            "DotSpeed", typeof(double), typeof(LoadingBase),
-            new FrameworkPropertyMetadata(4.0, FrameworkPropertyMetadataOptions.AffectsRender));
+    public static readonly DependencyProperty DotSpeedProperty = DependencyProperty.Register(
+        "DotSpeed", typeof(double), typeof(LoadingBase),
+        new FrameworkPropertyMetadata(4.0, FrameworkPropertyMetadataOptions.AffectsRender));
 
-        public static readonly DependencyProperty DotDelayTimeProperty = DependencyProperty.Register(
-            "DotDelayTime", typeof(double), typeof(LoadingBase),
-            new FrameworkPropertyMetadata(80.0, FrameworkPropertyMetadataOptions.AffectsRender));
+    public static readonly DependencyProperty DotDelayTimeProperty = DependencyProperty.Register(
+        "DotDelayTime", typeof(double), typeof(LoadingBase),
+        new FrameworkPropertyMetadata(80.0, FrameworkPropertyMetadataOptions.AffectsRender));
 
-        protected readonly Canvas PrivateCanvas = new()
-        {
-            ClipToBounds = true
-        };
+    protected readonly Canvas PrivateCanvas = new()
+    {
+        ClipToBounds = true
+    };
 
-        protected LoadingBase()
-        {
-            Content = PrivateCanvas;
-        }
+    protected LoadingBase()
+    {
+        Content = PrivateCanvas;
+    }
 
-        public int DotCount
-        {
-            get => (int) GetValue(DotCountProperty);
-            set => SetValue(DotCountProperty, value);
-        }
+    public int DotCount
+    {
+        get => (int) GetValue(DotCountProperty);
+        set => SetValue(DotCountProperty, value);
+    }
 
-        public double DotInterval
-        {
-            get => (double) GetValue(DotIntervalProperty);
-            set => SetValue(DotIntervalProperty, value);
-        }
+    public double DotInterval
+    {
+        get => (double) GetValue(DotIntervalProperty);
+        set => SetValue(DotIntervalProperty, value);
+    }
 
-        public Brush DotBorderBrush
-        {
-            get => (Brush) GetValue(DotBorderBrushProperty);
-            set => SetValue(DotBorderBrushProperty, value);
-        }
+    public Brush DotBorderBrush
+    {
+        get => (Brush) GetValue(DotBorderBrushProperty);
+        set => SetValue(DotBorderBrushProperty, value);
+    }
 
-        public double DotBorderThickness
-        {
-            get => (double) GetValue(DotBorderThicknessProperty);
-            set => SetValue(DotBorderThicknessProperty, value);
-        }
+    public double DotBorderThickness
+    {
+        get => (double) GetValue(DotBorderThicknessProperty);
+        set => SetValue(DotBorderThicknessProperty, value);
+    }
 
-        public double DotDiameter
-        {
-            get => (double) GetValue(DotDiameterProperty);
-            set => SetValue(DotDiameterProperty, value);
-        }
+    public double DotDiameter
+    {
+        get => (double) GetValue(DotDiameterProperty);
+        set => SetValue(DotDiameterProperty, value);
+    }
 
-        public double DotSpeed
-        {
-            get => (double) GetValue(DotSpeedProperty);
-            set => SetValue(DotSpeedProperty, value);
-        }
+    public double DotSpeed
+    {
+        get => (double) GetValue(DotSpeedProperty);
+        set => SetValue(DotSpeedProperty, value);
+    }
 
-        public double DotDelayTime
-        {
-            get => (double) GetValue(DotDelayTimeProperty);
-            set => SetValue(DotDelayTimeProperty, value);
-        }
+    public double DotDelayTime
+    {
+        get => (double) GetValue(DotDelayTimeProperty);
+        set => SetValue(DotDelayTimeProperty, value);
+    }
 
-        protected abstract void UpdateDots();
+    protected abstract void UpdateDots();
 
-        protected override void OnRender(DrawingContext drawingContext)
-        {
-            base.OnRender(drawingContext);
-            UpdateDots();
-        }
+    protected override void OnRender(DrawingContext drawingContext)
+    {
+        base.OnRender(drawingContext);
+        UpdateDots();
+    }
 
-        protected virtual Ellipse CreateEllipse(int index)
-        {
-            var ellipse = new Ellipse();
-            ellipse.SetBinding(WidthProperty, new Binding(DotDiameterProperty.Name) { Source = this });
-            ellipse.SetBinding(HeightProperty, new Binding(DotDiameterProperty.Name) { Source = this });
-            ellipse.SetBinding(Shape.FillProperty, new Binding(ForegroundProperty.Name) { Source = this });
-            ellipse.SetBinding(Shape.StrokeThicknessProperty, new Binding(DotBorderThicknessProperty.Name) { Source = this });
-            ellipse.SetBinding(Shape.StrokeProperty, new Binding(DotBorderBrushProperty.Name) { Source = this });
-            return ellipse;
-        }
+    protected virtual Ellipse CreateEllipse(int index)
+    {
+        var ellipse = new Ellipse();
+        ellipse.SetBinding(WidthProperty, new Binding(DotDiameterProperty.Name) { Source = this });
+        ellipse.SetBinding(HeightProperty, new Binding(DotDiameterProperty.Name) { Source = this });
+        ellipse.SetBinding(Shape.FillProperty, new Binding(ForegroundProperty.Name) { Source = this });
+        ellipse.SetBinding(Shape.StrokeThicknessProperty, new Binding(DotBorderThicknessProperty.Name) { Source = this });
+        ellipse.SetBinding(Shape.StrokeProperty, new Binding(DotBorderBrushProperty.Name) { Source = this });
+        return ellipse;
     }
 }

src/Shared/HandyControl_Shared/Controls/Loading/LoadingCircle.cs

@@ -7,207 +7,206 @@ using System.Windows.Media.Animation;
 using HandyControl.Data;
 
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class LoadingCircle : LoadingBase
 {
-    public class LoadingCircle : LoadingBase
+    public static readonly DependencyProperty DotOffSetProperty = DependencyProperty.Register(
+        "DotOffSet", typeof(double), typeof(LoadingCircle),
+        new FrameworkPropertyMetadata(20.0, FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public double DotOffSet
     {
-        public static readonly DependencyProperty DotOffSetProperty = DependencyProperty.Register(
-            "DotOffSet", typeof(double), typeof(LoadingCircle),
-            new FrameworkPropertyMetadata(20.0, FrameworkPropertyMetadataOptions.AffectsRender));
+        get => (double) GetValue(DotOffSetProperty);
+        set => SetValue(DotOffSetProperty, value);
+    }
 
-        public double DotOffSet
+    public static readonly DependencyProperty NeedHiddenProperty = DependencyProperty.Register(
+        "NeedHidden", typeof(bool), typeof(LoadingCircle),
+        new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.AffectsRender));
+
+    public bool NeedHidden
+    {
+        get => (bool) GetValue(NeedHiddenProperty);
+        set => SetValue(NeedHiddenProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    static LoadingCircle()
+    {
+        DotSpeedProperty.OverrideMetadata(typeof(LoadingCircle),
+            new FrameworkPropertyMetadata(6.0, FrameworkPropertyMetadataOptions.AffectsRender));
+        DotDelayTimeProperty.OverrideMetadata(typeof(LoadingCircle),
+            new FrameworkPropertyMetadata(220.0, FrameworkPropertyMetadataOptions.AffectsRender));
+    }
+
+    protected sealed override void UpdateDots()
+    {
+        var dotCount = DotCount;
+        var dotInterval = DotInterval;
+        var dotSpeed = DotSpeed;
+        var dotDelayTime = DotDelayTime;
+        var needHidden = NeedHidden;
+
+        if (dotCount < 1) return;
+        PrivateCanvas.Children.Clear();
+
+        //定义动画
+        Storyboard = new Storyboard
         {
-            get => (double) GetValue(DotOffSetProperty);
-            set => SetValue(DotOffSetProperty, value);
-        }
+            RepeatBehavior = RepeatBehavior.Forever
+        };
 
-        public static readonly DependencyProperty NeedHiddenProperty = DependencyProperty.Register(
-            "NeedHidden", typeof(bool), typeof(LoadingCircle),
-            new FrameworkPropertyMetadata(ValueBoxes.TrueBox, FrameworkPropertyMetadataOptions.AffectsRender));
-
-        public bool NeedHidden
+        //创建圆点
+        for (var i = 0; i < dotCount; i++)
         {
-            get => (bool) GetValue(NeedHiddenProperty);
-            set => SetValue(NeedHiddenProperty, ValueBoxes.BooleanBox(value));
-        }
+            var border = CreateBorder(i, dotInterval, needHidden);
 
-        static LoadingCircle()
-        {
-            DotSpeedProperty.OverrideMetadata(typeof(LoadingCircle),
-                new FrameworkPropertyMetadata(6.0, FrameworkPropertyMetadataOptions.AffectsRender));
-            DotDelayTimeProperty.OverrideMetadata(typeof(LoadingCircle),
-                new FrameworkPropertyMetadata(220.0, FrameworkPropertyMetadataOptions.AffectsRender));
-        }
-
-        protected sealed override void UpdateDots()
-        {
-            var dotCount = DotCount;
-            var dotInterval = DotInterval;
-            var dotSpeed = DotSpeed;
-            var dotDelayTime = DotDelayTime;
-            var needHidden = NeedHidden;
-
-            if (dotCount < 1) return;
-            PrivateCanvas.Children.Clear();
-
-            //定义动画
-            Storyboard = new Storyboard
+            var framesMove = new DoubleAnimationUsingKeyFrames
             {
-                RepeatBehavior = RepeatBehavior.Forever
+                BeginTime = TimeSpan.FromMilliseconds(dotDelayTime * i)
             };
 
-            //创建圆点
-            for (var i = 0; i < dotCount; i++)
+            var subAngle = -dotInterval * i;
+
+            //开始位置
+            var frame0 = new LinearDoubleKeyFrame
             {
-                var border = CreateBorder(i, dotInterval, needHidden);
+                Value = 0 + subAngle,
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.Zero)
+            };
 
-                var framesMove = new DoubleAnimationUsingKeyFrames
+            //开始位置到第一次匀速开始
+            var frame1 = new EasingDoubleKeyFrame
+            {
+                EasingFunction = new PowerEase
                 {
-                    BeginTime = TimeSpan.FromMilliseconds(dotDelayTime * i)
-                };
+                    EasingMode = EasingMode.EaseOut
+                },
+                Value = 180 + subAngle,
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (0.75 / 7)))
+            };
 
-                var subAngle = -dotInterval * i;
+            //第一次匀速开始到第一次匀速结束
+            var frame2 = new LinearDoubleKeyFrame
+            {
+                Value = 180 + DotOffSet + subAngle,
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (2.75 / 7)))
+            };
 
-                //开始位置
-                var frame0 = new LinearDoubleKeyFrame
+            //第一次匀速结束到匀加速结束
+            var frame3 = new EasingDoubleKeyFrame
+            {
+                EasingFunction = new PowerEase
                 {
-                    Value = 0 + subAngle,
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.Zero)
-                };
+                    EasingMode = EasingMode.EaseIn
+                },
+                Value = 360 + subAngle,
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (3.5 / 7)))
+            };
 
-                //开始位置到第一次匀速开始
-                var frame1 = new EasingDoubleKeyFrame
+            //匀加速结束到匀减速结束
+            var frame4 = new EasingDoubleKeyFrame
+            {
+                EasingFunction = new PowerEase
                 {
-                    EasingFunction = new PowerEase
-                    {
-                        EasingMode = EasingMode.EaseOut
-                    },
-                    Value = 180 + subAngle,
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (0.75 / 7)))
-                };
+                    EasingMode = EasingMode.EaseOut
+                },
+                Value = 540 + subAngle,
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (4.25 / 7)))
+            };
 
-                //第一次匀速开始到第一次匀速结束
-                var frame2 = new LinearDoubleKeyFrame
-                {
-                    Value = 180 + DotOffSet + subAngle,
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (2.75 / 7)))
-                };
+            //匀减速结束到第二次匀速结束
+            var frame5 = new LinearDoubleKeyFrame
+            {
+                Value = 540 + DotOffSet + subAngle,
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (6.25 / 7)))
+            };
 
-                //第一次匀速结束到匀加速结束
-                var frame3 = new EasingDoubleKeyFrame
+            //第二次匀速结束到匀加速结束
+            var frame6 = new EasingDoubleKeyFrame
+            {
+                EasingFunction = new PowerEase
                 {
-                    EasingFunction = new PowerEase
-                    {
-                        EasingMode = EasingMode.EaseIn
-                    },
-                    Value = 360 + subAngle,
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (3.5 / 7)))
-                };
+                    EasingMode = EasingMode.EaseIn
+                },
+                Value = 720 + subAngle,
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed))
+            };
 
-                //匀加速结束到匀减速结束
-                var frame4 = new EasingDoubleKeyFrame
-                {
-                    EasingFunction = new PowerEase
-                    {
-                        EasingMode = EasingMode.EaseOut
-                    },
-                    Value = 540 + subAngle,
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (4.25 / 7)))
-                };
+            framesMove.KeyFrames.Add(frame0);
+            framesMove.KeyFrames.Add(frame1);
+            framesMove.KeyFrames.Add(frame2);
+            framesMove.KeyFrames.Add(frame3);
+            framesMove.KeyFrames.Add(frame4);
+            framesMove.KeyFrames.Add(frame5);
+            framesMove.KeyFrames.Add(frame6);
 
-                //匀减速结束到第二次匀速结束
-                var frame5 = new LinearDoubleKeyFrame
-                {
-                    Value = 540 + DotOffSet + subAngle,
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (6.25 / 7)))
-                };
+            Storyboard.SetTarget(framesMove, border);
+            Storyboard.SetTargetProperty(framesMove, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(RotateTransform.Angle)"));
+            Storyboard.Children.Add(framesMove);
 
-                //第二次匀速结束到匀加速结束
-                var frame6 = new EasingDoubleKeyFrame
+            if (NeedHidden)
+            {
+                //隐藏一段时间
+                var frame7 = new DiscreteObjectKeyFrame
                 {
-                    EasingFunction = new PowerEase
-                    {
-                        EasingMode = EasingMode.EaseIn
-                    },
-                    Value = 720 + subAngle,
+                    Value = Visibility.Collapsed,
                     KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed))
                 };
 
-                framesMove.KeyFrames.Add(frame0);
-                framesMove.KeyFrames.Add(frame1);
-                framesMove.KeyFrames.Add(frame2);
-                framesMove.KeyFrames.Add(frame3);
-                framesMove.KeyFrames.Add(frame4);
-                framesMove.KeyFrames.Add(frame5);
-                framesMove.KeyFrames.Add(frame6);
-
-                Storyboard.SetTarget(framesMove, border);
-                Storyboard.SetTargetProperty(framesMove, new PropertyPath("(UIElement.RenderTransform).(TransformGroup.Children)[0].(RotateTransform.Angle)"));
-                Storyboard.Children.Add(framesMove);
-
-                if (NeedHidden)
+                var frame8 = new DiscreteObjectKeyFrame
                 {
-                    //隐藏一段时间
-                    var frame7 = new DiscreteObjectKeyFrame
-                    {
-                        Value = Visibility.Collapsed,
-                        KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed))
-                    };
+                    Value = Visibility.Collapsed,
+                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed + 0.4))
+                };
 
-                    var frame8 = new DiscreteObjectKeyFrame
-                    {
-                        Value = Visibility.Collapsed,
-                        KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed + 0.4))
-                    };
-
-                    var frame9 = new DiscreteObjectKeyFrame
-                    {
-                        Value = Visibility.Visible,
-                        KeyTime = KeyTime.FromTimeSpan(TimeSpan.Zero)
-                    };
-                    var framesVisibility = new ObjectAnimationUsingKeyFrames
-                    {
-                        BeginTime = TimeSpan.FromMilliseconds(dotDelayTime * i)
-                    };
-                    framesVisibility.KeyFrames.Add(frame9);
-                    framesVisibility.KeyFrames.Add(frame7);
-                    framesVisibility.KeyFrames.Add(frame8);
-                    Storyboard.SetTarget(framesVisibility, border);
-                    Storyboard.SetTargetProperty(framesVisibility, new PropertyPath("(UIElement.Visibility)"));
-                    Storyboard.Children.Add(framesVisibility);
-                }
-                PrivateCanvas.Children.Add(border);
-            }
-
-            Storyboard.Begin();
-            if (!IsRunning)
-            {
-                Storyboard.Pause();
+                var frame9 = new DiscreteObjectKeyFrame
+                {
+                    Value = Visibility.Visible,
+                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.Zero)
+                };
+                var framesVisibility = new ObjectAnimationUsingKeyFrames
+                {
+                    BeginTime = TimeSpan.FromMilliseconds(dotDelayTime * i)
+                };
+                framesVisibility.KeyFrames.Add(frame9);
+                framesVisibility.KeyFrames.Add(frame7);
+                framesVisibility.KeyFrames.Add(frame8);
+                Storyboard.SetTarget(framesVisibility, border);
+                Storyboard.SetTargetProperty(framesVisibility, new PropertyPath("(UIElement.Visibility)"));
+                Storyboard.Children.Add(framesVisibility);
             }
+            PrivateCanvas.Children.Add(border);
         }
 
-        private Border CreateBorder(int index, double dotInterval, bool needHidden)
+        Storyboard.Begin();
+        if (!IsRunning)
         {
-            var ellipse = CreateEllipse(index);
-            ellipse.HorizontalAlignment = HorizontalAlignment.Center;
-            ellipse.VerticalAlignment = VerticalAlignment.Bottom;
-            var rt = new RotateTransform
-            {
-                Angle = -dotInterval * index
-            };
-            var myTransGroup = new TransformGroup();
-            myTransGroup.Children.Add(rt);
-            var border = new Border
-            {
-                RenderTransformOrigin = new Point(0.5, 0.5),
-                RenderTransform = myTransGroup,
-                Child = ellipse,
-                Visibility = needHidden ? Visibility.Collapsed : Visibility.Visible
-            };
-            border.SetBinding(WidthProperty, new Binding("Width") { Source = this });
-            border.SetBinding(HeightProperty, new Binding("Height") { Source = this });
-
-            return border;
+            Storyboard.Pause();
         }
     }
+
+    private Border CreateBorder(int index, double dotInterval, bool needHidden)
+    {
+        var ellipse = CreateEllipse(index);
+        ellipse.HorizontalAlignment = HorizontalAlignment.Center;
+        ellipse.VerticalAlignment = VerticalAlignment.Bottom;
+        var rt = new RotateTransform
+        {
+            Angle = -dotInterval * index
+        };
+        var myTransGroup = new TransformGroup();
+        myTransGroup.Children.Add(rt);
+        var border = new Border
+        {
+            RenderTransformOrigin = new Point(0.5, 0.5),
+            RenderTransform = myTransGroup,
+            Child = ellipse,
+            Visibility = needHidden ? Visibility.Collapsed : Visibility.Visible
+        };
+        border.SetBinding(WidthProperty, new Binding("Width") { Source = this });
+        border.SetBinding(HeightProperty, new Binding("Height") { Source = this });
+
+        return border;
+    }
 }

src/Shared/HandyControl_Shared/Controls/Loading/LoadingLine.cs

@@ -5,112 +5,111 @@ using System.Windows.Media.Animation;
 using System.Windows.Shapes;
 
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class LoadingLine : LoadingBase
 {
-    public class LoadingLine : LoadingBase
+    private const double MoveLength = 80;
+
+    private const double UniformScale = .6;
+
+    public LoadingLine()
     {
-        private const double MoveLength = 80;
+        SetBinding(HeightProperty, new Binding("DotDiameter") { Source = this });
+    }
 
-        private const double UniformScale = .6;
+    protected sealed override void UpdateDots()
+    {
+        var dotCount = DotCount;
+        var dotInterval = DotInterval;
+        var dotDiameter = DotDiameter;
+        var dotSpeed = DotSpeed;
+        var dotDelayTime = DotDelayTime;
 
-        public LoadingLine()
+        if (dotCount < 1) return;
+        PrivateCanvas.Children.Clear();
+
+        //计算相关尺寸
+        var centerWidth = dotDiameter * dotCount + dotInterval * (dotCount - 1) + MoveLength;
+        var speedDownLength = (ActualWidth - MoveLength) / 2;
+        var speedUniformLength = centerWidth / 2;
+
+        //定义动画
+        Storyboard = new Storyboard
         {
-            SetBinding(HeightProperty, new Binding("DotDiameter") { Source = this });
-        }
+            RepeatBehavior = RepeatBehavior.Forever
+        };
 
-        protected sealed override void UpdateDots()
+        //创建圆点
+        for (var i = 0; i < dotCount; i++)
         {
-            var dotCount = DotCount;
-            var dotInterval = DotInterval;
-            var dotDiameter = DotDiameter;
-            var dotSpeed = DotSpeed;
-            var dotDelayTime = DotDelayTime;
+            var ellipse = CreateEllipse(i, dotInterval, dotDiameter);
 
-            if (dotCount < 1) return;
-            PrivateCanvas.Children.Clear();
-
-            //计算相关尺寸
-            var centerWidth = dotDiameter * dotCount + dotInterval * (dotCount - 1) + MoveLength;
-            var speedDownLength = (ActualWidth - MoveLength) / 2;
-            var speedUniformLength = centerWidth / 2;
-
-            //定义动画
-            Storyboard = new Storyboard
+            var frames = new ThicknessAnimationUsingKeyFrames
             {
-                RepeatBehavior = RepeatBehavior.Forever
+                BeginTime = TimeSpan.FromMilliseconds(dotDelayTime * i)
+            };
+            //开始位置
+            var frame0 = new LinearThicknessKeyFrame
+            {
+                Value = new Thickness(ellipse.Margin.Left, 0, 0, 0),
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.Zero)
             };
 
-            //创建圆点
-            for (var i = 0; i < dotCount; i++)
+            //开始位置到匀速开始
+            var frame1 = new EasingThicknessKeyFrame
             {
-                var ellipse = CreateEllipse(i, dotInterval, dotDiameter);
-
-                var frames = new ThicknessAnimationUsingKeyFrames
+                EasingFunction = new PowerEase
                 {
-                    BeginTime = TimeSpan.FromMilliseconds(dotDelayTime * i)
-                };
-                //开始位置
-                var frame0 = new LinearThicknessKeyFrame
-                {
-                    Value = new Thickness(ellipse.Margin.Left, 0, 0, 0),
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.Zero)
-                };
+                    EasingMode = EasingMode.EaseOut
+                },
+                Value = new Thickness(speedDownLength + ellipse.Margin.Left, 0, 0, 0),
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (1 - UniformScale) / 2))
+            };
 
-                //开始位置到匀速开始
-                var frame1 = new EasingThicknessKeyFrame
-                {
-                    EasingFunction = new PowerEase
-                    {
-                        EasingMode = EasingMode.EaseOut
-                    },
-                    Value = new Thickness(speedDownLength + ellipse.Margin.Left, 0, 0, 0),
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (1 - UniformScale) / 2))
-                };
-
-                //匀速开始到匀速结束
-                var frame2 = new LinearThicknessKeyFrame
-                {
-                    Value = new Thickness(speedDownLength + speedUniformLength + ellipse.Margin.Left, 0, 0, 0),
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (1 + UniformScale) / 2))
-                };
-
-                //匀速结束到匀加速结束
-                var frame3 = new EasingThicknessKeyFrame
-                {
-                    EasingFunction = new PowerEase
-                    {
-                        EasingMode = EasingMode.EaseIn
-                    },
-                    Value = new Thickness(ActualWidth + ellipse.Margin.Left + speedUniformLength, 0, 0, 0),
-                    KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed))
-                };
-
-                frames.KeyFrames.Add(frame0);
-                frames.KeyFrames.Add(frame1);
-                frames.KeyFrames.Add(frame2);
-                frames.KeyFrames.Add(frame3);
-
-                Storyboard.SetTarget(frames, ellipse);
-                Storyboard.SetTargetProperty(frames, new PropertyPath(MarginProperty));
-                Storyboard.Children.Add(frames);
-
-                PrivateCanvas.Children.Add(ellipse);
-            }
-
-            Storyboard.Begin();
-            if (!IsRunning)
+            //匀速开始到匀速结束
+            var frame2 = new LinearThicknessKeyFrame
             {
-                Storyboard.Pause();
-            }
+                Value = new Thickness(speedDownLength + speedUniformLength + ellipse.Margin.Left, 0, 0, 0),
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed * (1 + UniformScale) / 2))
+            };
+
+            //匀速结束到匀加速结束
+            var frame3 = new EasingThicknessKeyFrame
+            {
+                EasingFunction = new PowerEase
+                {
+                    EasingMode = EasingMode.EaseIn
+                },
+                Value = new Thickness(ActualWidth + ellipse.Margin.Left + speedUniformLength, 0, 0, 0),
+                KeyTime = KeyTime.FromTimeSpan(TimeSpan.FromSeconds(dotSpeed))
+            };
+
+            frames.KeyFrames.Add(frame0);
+            frames.KeyFrames.Add(frame1);
+            frames.KeyFrames.Add(frame2);
+            frames.KeyFrames.Add(frame3);
+
+            Storyboard.SetTarget(frames, ellipse);
+            Storyboard.SetTargetProperty(frames, new PropertyPath(MarginProperty));
+            Storyboard.Children.Add(frames);
+
+            PrivateCanvas.Children.Add(ellipse);
         }
 
-        private Ellipse CreateEllipse(int index, double dotInterval, double dotDiameter)
+        Storyboard.Begin();
+        if (!IsRunning)
         {
-            var ellipse = base.CreateEllipse(index);
-            ellipse.HorizontalAlignment = HorizontalAlignment.Left;
-            ellipse.VerticalAlignment = VerticalAlignment.Top;
-            ellipse.Margin = new Thickness(-(dotInterval + dotDiameter) * index, 0, 0, 0);
-            return ellipse;
+            Storyboard.Pause();
         }
     }
+
+    private Ellipse CreateEllipse(int index, double dotInterval, double dotDiameter)
+    {
+        var ellipse = base.CreateEllipse(index);
+        ellipse.HorizontalAlignment = HorizontalAlignment.Left;
+        ellipse.VerticalAlignment = VerticalAlignment.Top;
+        ellipse.Margin = new Thickness(-(dotInterval + dotDiameter) * index, 0, 0, 0);
+        return ellipse;
+    }
 }

src/Shared/HandyControl_Shared/Controls/Other/AnimationPath.cs

@@ -8,164 +8,163 @@ using HandyControl.Data;
 using HandyControl.Expression.Drawing;
 using HandyControl.Tools.Extension;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class AnimationPath : Shape
 {
-    public class AnimationPath : Shape
+    private Storyboard _storyboard;
+
+    private double _pathLength;
+
+    public static readonly DependencyProperty DataProperty = DependencyProperty.Register(nameof(Data),
+        typeof(Geometry), typeof(AnimationPath), new FrameworkPropertyMetadata(null,
+            OnPropertiesChanged));
+
+    private static void OnPropertiesChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
     {
-        private Storyboard _storyboard;
-
-        private double _pathLength;
-
-        public static readonly DependencyProperty DataProperty = DependencyProperty.Register(nameof(Data),
-            typeof(Geometry), typeof(AnimationPath), new FrameworkPropertyMetadata(null,
-                OnPropertiesChanged));
-
-        private static void OnPropertiesChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        if (d is AnimationPath path)
         {
-            if (d is AnimationPath path)
-            {
-                path.UpdatePath();
-            }
+            path.UpdatePath();
         }
-
-        public Geometry Data
-        {
-            get => (Geometry) GetValue(DataProperty);
-            set => SetValue(DataProperty, value);
-        }
-
-        protected override Geometry DefiningGeometry => Data ?? Geometry.Empty;
-
-        public static readonly DependencyProperty PathLengthProperty = DependencyProperty.Register(
-            "PathLength", typeof(double), typeof(AnimationPath), new FrameworkPropertyMetadata(ValueBoxes.Double0Box, OnPropertiesChanged));
-
-        public double PathLength
-        {
-            get => (double) GetValue(PathLengthProperty);
-            set => SetValue(PathLengthProperty, value);
-        }
-
-        public static readonly DependencyProperty DurationProperty = DependencyProperty.Register(
-            "Duration", typeof(Duration), typeof(AnimationPath), new FrameworkPropertyMetadata(new Duration(TimeSpan.FromSeconds(2)),
-                OnPropertiesChanged));
-
-        public Duration Duration
-        {
-            get => (Duration) GetValue(DurationProperty);
-            set => SetValue(DurationProperty, value);
-        }
-
-        public static readonly DependencyProperty IsPlayingProperty = DependencyProperty.Register(
-            "IsPlaying", typeof(bool), typeof(AnimationPath), new FrameworkPropertyMetadata(ValueBoxes.TrueBox, (o, args) =>
-            {
-                var ctl = (AnimationPath) o;
-                var v = (bool) args.NewValue;
-                if (v)
-                {
-                    ctl.UpdatePath();
-                }
-                else
-                {
-                    ctl._storyboard?.Pause();
-                }
-            }));
-
-        public bool IsPlaying
-        {
-            get => (bool) GetValue(IsPlayingProperty);
-            set => SetValue(IsPlayingProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static readonly DependencyProperty RepeatBehaviorProperty =
-            Timeline.RepeatBehaviorProperty.AddOwner(typeof(AnimationPath),
-                new PropertyMetadata(RepeatBehavior.Forever));
-
-        public RepeatBehavior RepeatBehavior
-        {
-            get => (RepeatBehavior) GetValue(RepeatBehaviorProperty);
-            set => SetValue(RepeatBehaviorProperty, value);
-        }
-
-        public static readonly DependencyProperty FillBehaviorProperty =
-            Timeline.FillBehaviorProperty.AddOwner(typeof(AnimationPath), new PropertyMetadata(FillBehavior.Stop));
-
-        public FillBehavior FillBehavior
-        {
-            get { return (FillBehavior) GetValue(FillBehaviorProperty); }
-            set { SetValue(FillBehaviorProperty, value); }
-        }
-
-        static AnimationPath()
-        {
-            StretchProperty.AddOwner(typeof(AnimationPath), new FrameworkPropertyMetadata(Stretch.Uniform,
-                OnPropertiesChanged));
-
-            StrokeThicknessProperty.AddOwner(typeof(AnimationPath), new FrameworkPropertyMetadata(ValueBoxes.Double1Box,
-                OnPropertiesChanged));
-        }
-
-        public AnimationPath() => Loaded += (s, e) => UpdatePath();
-
-        public static readonly RoutedEvent CompletedEvent =
-            EventManager.RegisterRoutedEvent("Completed", RoutingStrategy.Bubble,
-                typeof(EventHandler), typeof(AnimationPath));
-
-        public event EventHandler Completed
-        {
-            add => AddHandler(CompletedEvent, value);
-            remove => RemoveHandler(CompletedEvent, value);
-        }
-
-        private void UpdatePath()
-        {
-            if (!Duration.HasTimeSpan || !IsPlaying) return;
-
-            _pathLength = PathLength > 0 ? PathLength : Data.GetTotalLength(new Size(ActualWidth, ActualHeight), StrokeThickness);
-
-            if (MathHelper.IsVerySmall(_pathLength)) return;
-
-            StrokeDashOffset = _pathLength;
-            StrokeDashArray = new DoubleCollection(new List<double>
-            {
-                _pathLength,
-                _pathLength
-            });
-
-            if (_storyboard != null)
-            {
-                _storyboard.Stop();
-                _storyboard.Completed -= Storyboard_Completed;
-            }
-            _storyboard = new Storyboard
-            {
-                RepeatBehavior = RepeatBehavior,
-                FillBehavior = FillBehavior
-            };
-            _storyboard.Completed += Storyboard_Completed;
-
-            var frames = new DoubleAnimationUsingKeyFrames();
-
-            var frameIn = new LinearDoubleKeyFrame
-            {
-                Value = _pathLength,
-                KeyTime = KeyTime.FromTimeSpan(TimeSpan.Zero)
-            };
-            frames.KeyFrames.Add(frameIn);
-
-            var frameOut = new LinearDoubleKeyFrame
-            {
-                Value = FillBehavior == FillBehavior.Stop ? -_pathLength : 0,
-                KeyTime = KeyTime.FromTimeSpan(Duration.TimeSpan)
-            };
-            frames.KeyFrames.Add(frameOut);
-
-            Storyboard.SetTarget(frames, this);
-            Storyboard.SetTargetProperty(frames, new PropertyPath(StrokeDashOffsetProperty));
-            _storyboard.Children.Add(frames);
-
-            _storyboard.Begin();
-        }
-
-        private void Storyboard_Completed(object sender, EventArgs e) => RaiseEvent(new RoutedEventArgs(CompletedEvent));
     }
+
+    public Geometry Data
+    {
+        get => (Geometry) GetValue(DataProperty);
+        set => SetValue(DataProperty, value);
+    }
+
+    protected override Geometry DefiningGeometry => Data ?? Geometry.Empty;
+
+    public static readonly DependencyProperty PathLengthProperty = DependencyProperty.Register(
+        "PathLength", typeof(double), typeof(AnimationPath), new FrameworkPropertyMetadata(ValueBoxes.Double0Box, OnPropertiesChanged));
+
+    public double PathLength
+    {
+        get => (double) GetValue(PathLengthProperty);
+        set => SetValue(PathLengthProperty, value);
+    }
+
+    public static readonly DependencyProperty DurationProperty = DependencyProperty.Register(
+        "Duration", typeof(Duration), typeof(AnimationPath), new FrameworkPropertyMetadata(new Duration(TimeSpan.FromSeconds(2)),
+            OnPropertiesChanged));
+
+    public Duration Duration
+    {
+        get => (Duration) GetValue(DurationProperty);
+        set => SetValue(DurationProperty, value);
+    }
+
+    public static readonly DependencyProperty IsPlayingProperty = DependencyProperty.Register(
+        "IsPlaying", typeof(bool), typeof(AnimationPath), new FrameworkPropertyMetadata(ValueBoxes.TrueBox, (o, args) =>
+        {
+            var ctl = (AnimationPath) o;
+            var v = (bool) args.NewValue;
+            if (v)
+            {
+                ctl.UpdatePath();
+            }
+            else
+            {
+                ctl._storyboard?.Pause();
+            }
+        }));
+
+    public bool IsPlaying
+    {
+        get => (bool) GetValue(IsPlayingProperty);
+        set => SetValue(IsPlayingProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static readonly DependencyProperty RepeatBehaviorProperty =
+        Timeline.RepeatBehaviorProperty.AddOwner(typeof(AnimationPath),
+            new PropertyMetadata(RepeatBehavior.Forever));
+
+    public RepeatBehavior RepeatBehavior
+    {
+        get => (RepeatBehavior) GetValue(RepeatBehaviorProperty);
+        set => SetValue(RepeatBehaviorProperty, value);
+    }
+
+    public static readonly DependencyProperty FillBehaviorProperty =
+        Timeline.FillBehaviorProperty.AddOwner(typeof(AnimationPath), new PropertyMetadata(FillBehavior.Stop));
+
+    public FillBehavior FillBehavior
+    {
+        get { return (FillBehavior) GetValue(FillBehaviorProperty); }
+        set { SetValue(FillBehaviorProperty, value); }
+    }
+
+    static AnimationPath()
+    {
+        StretchProperty.AddOwner(typeof(AnimationPath), new FrameworkPropertyMetadata(Stretch.Uniform,
+            OnPropertiesChanged));
+
+        StrokeThicknessProperty.AddOwner(typeof(AnimationPath), new FrameworkPropertyMetadata(ValueBoxes.Double1Box,
+            OnPropertiesChanged));
+    }
+
+    public AnimationPath() => Loaded += (s, e) => UpdatePath();
+
+    public static readonly RoutedEvent CompletedEvent =
+        EventManager.RegisterRoutedEvent("Completed", RoutingStrategy.Bubble,
+            typeof(EventHandler), typeof(AnimationPath));
+
+    public event EventHandler Completed
+    {
+        add => AddHandler(CompletedEvent, value);
+        remove => RemoveHandler(CompletedEvent, value);
+    }
+
+    private void UpdatePath()
+    {
+        if (!Duration.HasTimeSpan || !IsPlaying) return;
+
+        _pathLength = PathLength > 0 ? PathLength : Data.GetTotalLength(new Size(ActualWidth, ActualHeight), StrokeThickness);
+
+        if (MathHelper.IsVerySmall(_pathLength)) return;
+
+        StrokeDashOffset = _pathLength;
+        StrokeDashArray = new DoubleCollection(new List<double>
+        {
+            _pathLength,
+            _pathLength
+        });
+
+        if (_storyboard != null)
+        {
+            _storyboard.Stop();
+            _storyboard.Completed -= Storyboard_Completed;
+        }
+        _storyboard = new Storyboard
+        {
+            RepeatBehavior = RepeatBehavior,
+            FillBehavior = FillBehavior
+        };
+        _storyboard.Completed += Storyboard_Completed;
+
+        var frames = new DoubleAnimationUsingKeyFrames();
+
+        var frameIn = new LinearDoubleKeyFrame
+        {
+            Value = _pathLength,
+            KeyTime = KeyTime.FromTimeSpan(TimeSpan.Zero)
+        };
+        frames.KeyFrames.Add(frameIn);
+
+        var frameOut = new LinearDoubleKeyFrame
+        {
+            Value = FillBehavior == FillBehavior.Stop ? -_pathLength : 0,
+            KeyTime = KeyTime.FromTimeSpan(Duration.TimeSpan)
+        };
+        frames.KeyFrames.Add(frameOut);
+
+        Storyboard.SetTarget(frames, this);
+        Storyboard.SetTargetProperty(frames, new PropertyPath(StrokeDashOffsetProperty));
+        _storyboard.Children.Add(frames);
+
+        _storyboard.Begin();
+    }
+
+    private void Storyboard_Completed(object sender, EventArgs e) => RaiseEvent(new RoutedEventArgs(CompletedEvent));
 }

src/Shared/HandyControl_Shared/Controls/Other/Badge.cs

@@ -4,98 +4,97 @@ using System.Windows.Controls;
 using System.Windows.Media;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     标记
+/// </summary>
+public class Badge : ContentControl
 {
-    /// <summary>
-    ///     标记
-    /// </summary>
-    public class Badge : ContentControl
+    public static readonly RoutedEvent ValueChangedEvent =
+        EventManager.RegisterRoutedEvent("ValueChanged", RoutingStrategy.Bubble,
+            typeof(EventHandler<FunctionEventArgs<int>>), typeof(Badge));
+
+    public event EventHandler<FunctionEventArgs<int>> ValueChanged
     {
-        public static readonly RoutedEvent ValueChangedEvent =
-            EventManager.RegisterRoutedEvent("ValueChanged", RoutingStrategy.Bubble,
-                typeof(EventHandler<FunctionEventArgs<int>>), typeof(Badge));
-
-        public event EventHandler<FunctionEventArgs<int>> ValueChanged
-        {
-            add => AddHandler(ValueChangedEvent, value);
-            remove => RemoveHandler(ValueChangedEvent, value);
-        }
-
-        public static readonly DependencyProperty TextProperty = DependencyProperty.Register(
-            "Text", typeof(string), typeof(Badge), new PropertyMetadata("0"));
-
-        public string Text
-        {
-            get => (string) GetValue(TextProperty);
-            set => SetValue(TextProperty, value);
-        }
-
-        public static readonly DependencyProperty ValueProperty = DependencyProperty.Register(
-            "Value", typeof(int), typeof(Badge), new PropertyMetadata(ValueBoxes.Int0Box, OnValueChanged));
-
-        private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (Badge) d;
-            var v = (int) e.NewValue;
-            ctl.SetCurrentValue(TextProperty, v <= ctl.Maximum ? v.ToString() : $"{ctl.Maximum}+");
-            if (ctl.IsInitialized)
-            {
-                ctl.RaiseEvent(new FunctionEventArgs<int>(ValueChangedEvent, ctl)
-                {
-                    Info = v
-                });
-            }
-        }
-
-        public int Value
-        {
-            get => (int) GetValue(ValueProperty);
-            set => SetValue(ValueProperty, value);
-        }
-
-        public static readonly DependencyProperty StatusProperty = DependencyProperty.Register(
-            "Status", typeof(BadgeStatus), typeof(Badge), new PropertyMetadata(default(BadgeStatus)));
-
-        public BadgeStatus Status
-        {
-            get => (BadgeStatus) GetValue(StatusProperty);
-            set => SetValue(StatusProperty, value);
-        }
-
-        public static readonly DependencyProperty MaximumProperty = DependencyProperty.Register(
-            "Maximum", typeof(int), typeof(Badge), new PropertyMetadata(ValueBoxes.Int99Box, OnMaximumChanged));
-
-        private static void OnMaximumChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (Badge) d;
-            var v = ctl.Value;
-            ctl.SetCurrentValue(TextProperty, v <= ctl.Maximum ? v.ToString() : $"{ctl.Maximum}+");
-        }
-
-        public int Maximum
-        {
-            get => (int) GetValue(MaximumProperty);
-            set => SetValue(MaximumProperty, value);
-        }
-
-        public static readonly DependencyProperty BadgeMarginProperty = DependencyProperty.Register(
-            "BadgeMargin", typeof(Thickness), typeof(Badge), new PropertyMetadata(default(Thickness)));
-
-        public Thickness BadgeMargin
-        {
-            get => (Thickness) GetValue(BadgeMarginProperty);
-            set => SetValue(BadgeMarginProperty, value);
-        }
-
-        public static readonly DependencyProperty ShowBadgeProperty = DependencyProperty.Register(
-            "ShowBadge", typeof(bool), typeof(Badge), new PropertyMetadata(ValueBoxes.TrueBox));
-
-        public bool ShowBadge
-        {
-            get => (bool) GetValue(ShowBadgeProperty);
-            set => SetValue(ShowBadgeProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        protected override Geometry GetLayoutClip(Size layoutSlotSize) => null;
+        add => AddHandler(ValueChangedEvent, value);
+        remove => RemoveHandler(ValueChangedEvent, value);
     }
+
+    public static readonly DependencyProperty TextProperty = DependencyProperty.Register(
+        "Text", typeof(string), typeof(Badge), new PropertyMetadata("0"));
+
+    public string Text
+    {
+        get => (string) GetValue(TextProperty);
+        set => SetValue(TextProperty, value);
+    }
+
+    public static readonly DependencyProperty ValueProperty = DependencyProperty.Register(
+        "Value", typeof(int), typeof(Badge), new PropertyMetadata(ValueBoxes.Int0Box, OnValueChanged));
+
+    private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (Badge) d;
+        var v = (int) e.NewValue;
+        ctl.SetCurrentValue(TextProperty, v <= ctl.Maximum ? v.ToString() : $"{ctl.Maximum}+");
+        if (ctl.IsInitialized)
+        {
+            ctl.RaiseEvent(new FunctionEventArgs<int>(ValueChangedEvent, ctl)
+            {
+                Info = v
+            });
+        }
+    }
+
+    public int Value
+    {
+        get => (int) GetValue(ValueProperty);
+        set => SetValue(ValueProperty, value);
+    }
+
+    public static readonly DependencyProperty StatusProperty = DependencyProperty.Register(
+        "Status", typeof(BadgeStatus), typeof(Badge), new PropertyMetadata(default(BadgeStatus)));
+
+    public BadgeStatus Status
+    {
+        get => (BadgeStatus) GetValue(StatusProperty);
+        set => SetValue(StatusProperty, value);
+    }
+
+    public static readonly DependencyProperty MaximumProperty = DependencyProperty.Register(
+        "Maximum", typeof(int), typeof(Badge), new PropertyMetadata(ValueBoxes.Int99Box, OnMaximumChanged));
+
+    private static void OnMaximumChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (Badge) d;
+        var v = ctl.Value;
+        ctl.SetCurrentValue(TextProperty, v <= ctl.Maximum ? v.ToString() : $"{ctl.Maximum}+");
+    }
+
+    public int Maximum
+    {
+        get => (int) GetValue(MaximumProperty);
+        set => SetValue(MaximumProperty, value);
+    }
+
+    public static readonly DependencyProperty BadgeMarginProperty = DependencyProperty.Register(
+        "BadgeMargin", typeof(Thickness), typeof(Badge), new PropertyMetadata(default(Thickness)));
+
+    public Thickness BadgeMargin
+    {
+        get => (Thickness) GetValue(BadgeMarginProperty);
+        set => SetValue(BadgeMarginProperty, value);
+    }
+
+    public static readonly DependencyProperty ShowBadgeProperty = DependencyProperty.Register(
+        "ShowBadge", typeof(bool), typeof(Badge), new PropertyMetadata(ValueBoxes.TrueBox));
+
+    public bool ShowBadge
+    {
+        get => (bool) GetValue(ShowBadgeProperty);
+        set => SetValue(ShowBadgeProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    protected override Geometry GetLayoutClip(Size layoutSlotSize) => null;
 }

src/Shared/HandyControl_Shared/Controls/Other/BlendEffectBox.cs

@@ -7,110 +7,109 @@ using System.Windows.Data;
 using System.Windows.Markup;
 using System.Windows.Media.Effects;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[DefaultProperty("Content")]
+[ContentProperty("Content")]
+public class BlendEffectBox : Control
 {
-    [DefaultProperty("Content")]
-    [ContentProperty("Content")]
-    public class BlendEffectBox : Control
+    private readonly ContentPresenter _effectBottomPresenter;
+
+    private readonly ContentPresenter _effectTopPresenter;
+
+    private bool _isInternalAction;
+
+    public BlendEffectBox()
     {
-        private readonly ContentPresenter _effectBottomPresenter;
+        _effectTopPresenter = new ContentPresenter();
+        ActualContent = _effectTopPresenter;
 
-        private readonly ContentPresenter _effectTopPresenter;
-
-        private bool _isInternalAction;
-
-        public BlendEffectBox()
+        _effectBottomPresenter = new ContentPresenter();
+        _effectBottomPresenter.SetBinding(ContentPresenter.ContentProperty, new Binding(ContentProperty.Name)
         {
-            _effectTopPresenter = new ContentPresenter();
-            ActualContent = _effectTopPresenter;
+            Source = this
+        });
 
-            _effectBottomPresenter = new ContentPresenter();
-            _effectBottomPresenter.SetBinding(ContentPresenter.ContentProperty, new Binding(ContentProperty.Name)
-            {
-                Source = this
-            });
+        var effects = new ObservableCollection<Effect>();
+        effects.CollectionChanged += OnEffectsChanged;
+        Effects = effects;
+    }
 
-            var effects = new ObservableCollection<Effect>();
-            effects.CollectionChanged += OnEffectsChanged;
-            Effects = effects;
+    private void OnEffectsChanged(object sender, NotifyCollectionChangedEventArgs e)
+    {
+        if (Effects == null || Effects.Count == 0)
+        {
+            ClearEffect(_effectTopPresenter);
+            return;
         }
 
-        private void OnEffectsChanged(object sender, NotifyCollectionChangedEventArgs e)
+        if (_isInternalAction) return;
+
+        _isInternalAction = true;
+        AddEffect(_effectTopPresenter, Effects.Count);
+        _isInternalAction = false;
+    }
+
+    private void ClearEffect(ContentPresenter presenter)
+    {
+        if (presenter == null) return;
+
+        if (ReferenceEquals(_effectBottomPresenter, presenter))
         {
-            if (Effects == null || Effects.Count == 0)
+            _effectBottomPresenter.SetCurrentValue(EffectProperty, null);
+            return;
+        }
+
+        presenter.SetCurrentValue(EffectProperty, null);
+        ClearEffect(presenter.Content as ContentPresenter);
+    }
+
+    private void AddEffect(ContentPresenter presenter, int count)
+    {
+        var newCount = --count;
+
+        if (newCount >= 0)
+        {
+            presenter.Effect = Effects[newCount];
+
+            var nextCount = --count;
+            if (nextCount >= 1)
             {
-                ClearEffect(_effectTopPresenter);
-                return;
+                var content = new ContentPresenter();
+                presenter.Content = content;
+                AddEffect(content, newCount);
             }
-
-            if (_isInternalAction) return;
-
-            _isInternalAction = true;
-            AddEffect(_effectTopPresenter, Effects.Count);
-            _isInternalAction = false;
-        }
-
-        private void ClearEffect(ContentPresenter presenter)
-        {
-            if (presenter == null) return;
-
-            if (ReferenceEquals(_effectBottomPresenter, presenter))
+            else if (nextCount >= 0)
             {
-                _effectBottomPresenter.SetCurrentValue(EffectProperty, null);
-                return;
+                _effectBottomPresenter.Effect = Effects[0];
+                presenter.Content = _effectBottomPresenter;
             }
-
-            presenter.SetCurrentValue(EffectProperty, null);
-            ClearEffect(presenter.Content as ContentPresenter);
-        }
-
-        private void AddEffect(ContentPresenter presenter, int count)
-        {
-            var newCount = --count;
-
-            if (newCount >= 0)
+            else
             {
-                presenter.Effect = Effects[newCount];
-
-                var nextCount = --count;
-                if (nextCount >= 1)
-                {
-                    var content = new ContentPresenter();
-                    presenter.Content = content;
-                    AddEffect(content, newCount);
-                }
-                else if (nextCount >= 0)
-                {
-                    _effectBottomPresenter.Effect = Effects[0];
-                    presenter.Content = _effectBottomPresenter;
-                }
-                else
-                {
-                    presenter.Content = _effectBottomPresenter;
-                }
+                presenter.Content = _effectBottomPresenter;
             }
         }
+    }
 
-        [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
-        [Bindable(true)]
-        public Collection<Effect> Effects { get; }
+    [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
+    [Bindable(true)]
+    public Collection<Effect> Effects { get; }
 
-        public static readonly DependencyProperty ContentProperty = DependencyProperty.Register(
-            "Content", typeof(FrameworkElement), typeof(BlendEffectBox), new PropertyMetadata(default(FrameworkElement)));
+    public static readonly DependencyProperty ContentProperty = DependencyProperty.Register(
+        "Content", typeof(FrameworkElement), typeof(BlendEffectBox), new PropertyMetadata(default(FrameworkElement)));
 
-        public FrameworkElement Content
-        {
-            get => (FrameworkElement) GetValue(ContentProperty);
-            set => SetValue(ContentProperty, value);
-        }
+    public FrameworkElement Content
+    {
+        get => (FrameworkElement) GetValue(ContentProperty);
+        set => SetValue(ContentProperty, value);
+    }
 
-        internal static readonly DependencyProperty ActualContentProperty = DependencyProperty.Register(
-            "ActualContent", typeof(FrameworkElement), typeof(BlendEffectBox), new PropertyMetadata(default(FrameworkElement)));
+    internal static readonly DependencyProperty ActualContentProperty = DependencyProperty.Register(
+        "ActualContent", typeof(FrameworkElement), typeof(BlendEffectBox), new PropertyMetadata(default(FrameworkElement)));
 
-        internal FrameworkElement ActualContent
-        {
-            get => (FrameworkElement) GetValue(ActualContentProperty);
-            set => SetValue(ActualContentProperty, value);
-        }
+    internal FrameworkElement ActualContent
+    {
+        get => (FrameworkElement) GetValue(ActualContentProperty);
+        set => SetValue(ActualContentProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Other/Card.cs

@@ -2,86 +2,85 @@
 using System.Windows;
 using System.Windows.Controls;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class Card : ContentControl
 {
-    public class Card : ContentControl
+    public static readonly DependencyProperty HeaderProperty = DependencyProperty.Register(
+        "Header", typeof(object), typeof(Card), new PropertyMetadata(default(object)));
+
+    public object Header
     {
-        public static readonly DependencyProperty HeaderProperty = DependencyProperty.Register(
-            "Header", typeof(object), typeof(Card), new PropertyMetadata(default(object)));
+        get => GetValue(HeaderProperty);
+        set => SetValue(HeaderProperty, value);
+    }
 
-        public object Header
-        {
-            get => GetValue(HeaderProperty);
-            set => SetValue(HeaderProperty, value);
-        }
+    public static readonly DependencyProperty HeaderTemplateProperty = DependencyProperty.Register(
+        "HeaderTemplate", typeof(DataTemplate), typeof(Card), new PropertyMetadata(default(DataTemplate)));
 
-        public static readonly DependencyProperty HeaderTemplateProperty = DependencyProperty.Register(
-            "HeaderTemplate", typeof(DataTemplate), typeof(Card), new PropertyMetadata(default(DataTemplate)));
+    [Bindable(true), Category("Content")]
+    public DataTemplate HeaderTemplate
+    {
+        get => (DataTemplate) GetValue(HeaderTemplateProperty);
+        set => SetValue(HeaderTemplateProperty, value);
+    }
 
-        [Bindable(true), Category("Content")]
-        public DataTemplate HeaderTemplate
-        {
-            get => (DataTemplate) GetValue(HeaderTemplateProperty);
-            set => SetValue(HeaderTemplateProperty, value);
-        }
+    public static readonly DependencyProperty HeaderTemplateSelectorProperty = DependencyProperty.Register(
+        "HeaderTemplateSelector", typeof(DataTemplateSelector), typeof(Card), new PropertyMetadata(default(DataTemplateSelector)));
 
-        public static readonly DependencyProperty HeaderTemplateSelectorProperty = DependencyProperty.Register(
-            "HeaderTemplateSelector", typeof(DataTemplateSelector), typeof(Card), new PropertyMetadata(default(DataTemplateSelector)));
+    [Bindable(true), Category("Content")]
+    public DataTemplateSelector HeaderTemplateSelector
+    {
+        get => (DataTemplateSelector) GetValue(HeaderTemplateSelectorProperty);
+        set => SetValue(HeaderTemplateSelectorProperty, value);
+    }
 
-        [Bindable(true), Category("Content")]
-        public DataTemplateSelector HeaderTemplateSelector
-        {
-            get => (DataTemplateSelector) GetValue(HeaderTemplateSelectorProperty);
-            set => SetValue(HeaderTemplateSelectorProperty, value);
-        }
+    public static readonly DependencyProperty HeaderStringFormatProperty = DependencyProperty.Register(
+        "HeaderStringFormat", typeof(string), typeof(Card), new PropertyMetadata(default(string)));
 
-        public static readonly DependencyProperty HeaderStringFormatProperty = DependencyProperty.Register(
-            "HeaderStringFormat", typeof(string), typeof(Card), new PropertyMetadata(default(string)));
+    [Bindable(true), Category("Content")]
+    public string HeaderStringFormat
+    {
+        get => (string) GetValue(HeaderStringFormatProperty);
+        set => SetValue(HeaderStringFormatProperty, value);
+    }
 
-        [Bindable(true), Category("Content")]
-        public string HeaderStringFormat
-        {
-            get => (string) GetValue(HeaderStringFormatProperty);
-            set => SetValue(HeaderStringFormatProperty, value);
-        }
+    public static readonly DependencyProperty FooterProperty = DependencyProperty.Register(
+        "Footer", typeof(object), typeof(Card), new PropertyMetadata(default(object)));
 
-        public static readonly DependencyProperty FooterProperty = DependencyProperty.Register(
-            "Footer", typeof(object), typeof(Card), new PropertyMetadata(default(object)));
+    public object Footer
+    {
+        get => GetValue(FooterProperty);
+        set => SetValue(FooterProperty, value);
+    }
 
-        public object Footer
-        {
-            get => GetValue(FooterProperty);
-            set => SetValue(FooterProperty, value);
-        }
+    public static readonly DependencyProperty FooterTemplateProperty = DependencyProperty.Register(
+        "FooterTemplate", typeof(DataTemplate), typeof(Card), new PropertyMetadata(default(DataTemplate)));
 
-        public static readonly DependencyProperty FooterTemplateProperty = DependencyProperty.Register(
-            "FooterTemplate", typeof(DataTemplate), typeof(Card), new PropertyMetadata(default(DataTemplate)));
+    [Bindable(true), Category("Content")]
+    public DataTemplate FooterTemplate
+    {
+        get => (DataTemplate) GetValue(FooterTemplateProperty);
+        set => SetValue(FooterTemplateProperty, value);
+    }
 
-        [Bindable(true), Category("Content")]
-        public DataTemplate FooterTemplate
-        {
-            get => (DataTemplate) GetValue(FooterTemplateProperty);
-            set => SetValue(FooterTemplateProperty, value);
-        }
+    public static readonly DependencyProperty FooterTemplateSelectorProperty = DependencyProperty.Register(
+        "FooterTemplateSelector", typeof(DataTemplateSelector), typeof(Card), new PropertyMetadata(default(DataTemplateSelector)));
 
-        public static readonly DependencyProperty FooterTemplateSelectorProperty = DependencyProperty.Register(
-            "FooterTemplateSelector", typeof(DataTemplateSelector), typeof(Card), new PropertyMetadata(default(DataTemplateSelector)));
+    [Bindable(true), Category("Content")]
+    public DataTemplateSelector FooterTemplateSelector
+    {
+        get => (DataTemplateSelector) GetValue(FooterTemplateSelectorProperty);
+        set => SetValue(FooterTemplateSelectorProperty, value);
+    }
 
-        [Bindable(true), Category("Content")]
-        public DataTemplateSelector FooterTemplateSelector
-        {
-            get => (DataTemplateSelector) GetValue(FooterTemplateSelectorProperty);
-            set => SetValue(FooterTemplateSelectorProperty, value);
-        }
+    public static readonly DependencyProperty FooterStringFormatProperty = DependencyProperty.Register(
+        "FooterStringFormat", typeof(string), typeof(Card), new PropertyMetadata(default(string)));
 
-        public static readonly DependencyProperty FooterStringFormatProperty = DependencyProperty.Register(
-            "FooterStringFormat", typeof(string), typeof(Card), new PropertyMetadata(default(string)));
-
-        [Bindable(true), Category("Content")]
-        public string FooterStringFormat
-        {
-            get => (string) GetValue(FooterStringFormatProperty);
-            set => SetValue(FooterStringFormatProperty, value);
-        }
+    [Bindable(true), Category("Content")]
+    public string FooterStringFormat
+    {
+        get => (string) GetValue(FooterStringFormatProperty);
+        set => SetValue(FooterStringFormatProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Other/ChatBubble.cs

@@ -2,45 +2,44 @@
 using System.Windows;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class ChatBubble : SelectableItem
 {
-    public class ChatBubble : SelectableItem
+    public static readonly DependencyProperty RoleProperty = DependencyProperty.Register(
+        "Role", typeof(ChatRoleType), typeof(ChatBubble), new PropertyMetadata(default(ChatRoleType)));
+
+    public ChatRoleType Role
     {
-        public static readonly DependencyProperty RoleProperty = DependencyProperty.Register(
-            "Role", typeof(ChatRoleType), typeof(ChatBubble), new PropertyMetadata(default(ChatRoleType)));
+        get => (ChatRoleType) GetValue(RoleProperty);
+        set => SetValue(RoleProperty, value);
+    }
 
-        public ChatRoleType Role
-        {
-            get => (ChatRoleType) GetValue(RoleProperty);
-            set => SetValue(RoleProperty, value);
-        }
+    public static readonly DependencyProperty TypeProperty = DependencyProperty.Register(
+        "Type", typeof(ChatMessageType), typeof(ChatBubble), new PropertyMetadata(default(ChatMessageType)));
 
-        public static readonly DependencyProperty TypeProperty = DependencyProperty.Register(
-            "Type", typeof(ChatMessageType), typeof(ChatBubble), new PropertyMetadata(default(ChatMessageType)));
+    public ChatMessageType Type
+    {
+        get => (ChatMessageType) GetValue(TypeProperty);
+        set => SetValue(TypeProperty, value);
+    }
 
-        public ChatMessageType Type
-        {
-            get => (ChatMessageType) GetValue(TypeProperty);
-            set => SetValue(TypeProperty, value);
-        }
+    public static readonly DependencyProperty IsReadProperty = DependencyProperty.Register(
+        "IsRead", typeof(bool), typeof(ChatBubble), new PropertyMetadata(ValueBoxes.FalseBox));
 
-        public static readonly DependencyProperty IsReadProperty = DependencyProperty.Register(
-            "IsRead", typeof(bool), typeof(ChatBubble), new PropertyMetadata(ValueBoxes.FalseBox));
+    public bool IsRead
+    {
+        get => (bool) GetValue(IsReadProperty);
+        set => SetValue(IsReadProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        public bool IsRead
-        {
-            get => (bool) GetValue(IsReadProperty);
-            set => SetValue(IsReadProperty, ValueBoxes.BooleanBox(value));
-        }
+    public Action<object> ReadAction { get; set; }
 
-        public Action<object> ReadAction { get; set; }
+    protected override void OnSelected(RoutedEventArgs e)
+    {
+        base.OnSelected(e);
 
-        protected override void OnSelected(RoutedEventArgs e)
-        {
-            base.OnSelected(e);
-
-            IsRead = true;
-            ReadAction?.Invoke(Content);
-        }
+        IsRead = true;
+        ReadAction?.Invoke(Content);
     }
 }

src/Shared/HandyControl_Shared/Controls/Other/Divider.cs

@@ -3,80 +3,79 @@ using System.Windows.Controls;
 using System.Windows.Media;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class Divider : Control
 {
-    public class Divider : Control
+    public static readonly DependencyProperty ContentProperty = DependencyProperty.Register(
+        "Content", typeof(object), typeof(Divider), new PropertyMetadata(default(object)));
+
+    public object Content
     {
-        public static readonly DependencyProperty ContentProperty = DependencyProperty.Register(
-            "Content", typeof(object), typeof(Divider), new PropertyMetadata(default(object)));
+        get => GetValue(ContentProperty);
+        set => SetValue(ContentProperty, value);
+    }
 
-        public object Content
-        {
-            get => GetValue(ContentProperty);
-            set => SetValue(ContentProperty, value);
-        }
+    public static readonly DependencyProperty OrientationProperty = DependencyProperty.Register(
+        "Orientation", typeof(Orientation), typeof(Divider), new PropertyMetadata(default(Orientation)));
 
-        public static readonly DependencyProperty OrientationProperty = DependencyProperty.Register(
-            "Orientation", typeof(Orientation), typeof(Divider), new PropertyMetadata(default(Orientation)));
+    public Orientation Orientation
+    {
+        get => (Orientation) GetValue(OrientationProperty);
+        set => SetValue(OrientationProperty, value);
+    }
 
-        public Orientation Orientation
-        {
-            get => (Orientation) GetValue(OrientationProperty);
-            set => SetValue(OrientationProperty, value);
-        }
+    public static readonly DependencyProperty ContentTemplateProperty = DependencyProperty.Register(
+        "ContentTemplate", typeof(DataTemplate), typeof(Divider), new PropertyMetadata(default(DataTemplate)));
 
-        public static readonly DependencyProperty ContentTemplateProperty = DependencyProperty.Register(
-            "ContentTemplate", typeof(DataTemplate), typeof(Divider), new PropertyMetadata(default(DataTemplate)));
+    public DataTemplate ContentTemplate
+    {
+        get => (DataTemplate) GetValue(ContentTemplateProperty);
+        set => SetValue(ContentTemplateProperty, value);
+    }
 
-        public DataTemplate ContentTemplate
-        {
-            get => (DataTemplate) GetValue(ContentTemplateProperty);
-            set => SetValue(ContentTemplateProperty, value);
-        }
+    public static readonly DependencyProperty ContentStringFormatProperty = DependencyProperty.Register(
+        "ContentStringFormat", typeof(string), typeof(Divider), new PropertyMetadata(default(string)));
 
-        public static readonly DependencyProperty ContentStringFormatProperty = DependencyProperty.Register(
-            "ContentStringFormat", typeof(string), typeof(Divider), new PropertyMetadata(default(string)));
+    public string ContentStringFormat
+    {
+        get => (string) GetValue(ContentStringFormatProperty);
+        set => SetValue(ContentStringFormatProperty, value);
+    }
 
-        public string ContentStringFormat
-        {
-            get => (string) GetValue(ContentStringFormatProperty);
-            set => SetValue(ContentStringFormatProperty, value);
-        }
+    public static readonly DependencyProperty ContentTemplateSelectorProperty = DependencyProperty.Register(
+        "ContentTemplateSelector", typeof(DataTemplateSelector), typeof(Divider), new PropertyMetadata(default(DataTemplateSelector)));
 
-        public static readonly DependencyProperty ContentTemplateSelectorProperty = DependencyProperty.Register(
-            "ContentTemplateSelector", typeof(DataTemplateSelector), typeof(Divider), new PropertyMetadata(default(DataTemplateSelector)));
+    public DataTemplateSelector ContentTemplateSelector
+    {
+        get => (DataTemplateSelector) GetValue(ContentTemplateSelectorProperty);
+        set => SetValue(ContentTemplateSelectorProperty, value);
+    }
 
-        public DataTemplateSelector ContentTemplateSelector
-        {
-            get => (DataTemplateSelector) GetValue(ContentTemplateSelectorProperty);
-            set => SetValue(ContentTemplateSelectorProperty, value);
-        }
+    public static readonly DependencyProperty LineStrokeProperty = DependencyProperty.Register(
+        "LineStroke", typeof(Brush), typeof(Divider), new PropertyMetadata(default(Brush)));
 
-        public static readonly DependencyProperty LineStrokeProperty = DependencyProperty.Register(
-            "LineStroke", typeof(Brush), typeof(Divider), new PropertyMetadata(default(Brush)));
+    public Brush LineStroke
+    {
+        get => (Brush) GetValue(LineStrokeProperty);
+        set => SetValue(LineStrokeProperty, value);
+    }
 
-        public Brush LineStroke
-        {
-            get => (Brush) GetValue(LineStrokeProperty);
-            set => SetValue(LineStrokeProperty, value);
-        }
+    public static readonly DependencyProperty LineStrokeThicknessProperty = DependencyProperty.Register(
+        "LineStrokeThickness", typeof(double), typeof(Divider), new PropertyMetadata(ValueBoxes.Double1Box));
 
-        public static readonly DependencyProperty LineStrokeThicknessProperty = DependencyProperty.Register(
-            "LineStrokeThickness", typeof(double), typeof(Divider), new PropertyMetadata(ValueBoxes.Double1Box));
+    public double LineStrokeThickness
+    {
+        get => (double) GetValue(LineStrokeThicknessProperty);
+        set => SetValue(LineStrokeThicknessProperty, value);
+    }
 
-        public double LineStrokeThickness
-        {
-            get => (double) GetValue(LineStrokeThicknessProperty);
-            set => SetValue(LineStrokeThicknessProperty, value);
-        }
+    public static readonly DependencyProperty LineStrokeDashArrayProperty = DependencyProperty.Register(
+        "LineStrokeDashArray", typeof(DoubleCollection), typeof(Divider), new PropertyMetadata(new DoubleCollection()));
 
-        public static readonly DependencyProperty LineStrokeDashArrayProperty = DependencyProperty.Register(
-            "LineStrokeDashArray", typeof(DoubleCollection), typeof(Divider), new PropertyMetadata(new DoubleCollection()));
-
-        public DoubleCollection LineStrokeDashArray
-        {
-            get => (DoubleCollection) GetValue(LineStrokeDashArrayProperty);
-            set => SetValue(LineStrokeDashArrayProperty, value);
-        }
+    public DoubleCollection LineStrokeDashArray
+    {
+        get => (DoubleCollection) GetValue(LineStrokeDashArrayProperty);
+        set => SetValue(LineStrokeDashArrayProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Other/Empty.cs

@@ -2,35 +2,34 @@
 using System.Windows.Controls;
 using HandyControl.Data;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class Empty : ContentControl
 {
-    public class Empty : ContentControl
+    public static readonly DependencyProperty DescriptionProperty = DependencyProperty.Register(
+        "Description", typeof(object), typeof(Empty), new PropertyMetadata(default(object)));
+
+    public object Description
     {
-        public static readonly DependencyProperty DescriptionProperty = DependencyProperty.Register(
-            "Description", typeof(object), typeof(Empty), new PropertyMetadata(default(object)));
-
-        public object Description
-        {
-            get => GetValue(DescriptionProperty);
-            set => SetValue(DescriptionProperty, value);
-        }
-
-        public static readonly DependencyProperty LogoProperty = DependencyProperty.Register(
-            "Logo", typeof(object), typeof(Empty), new PropertyMetadata(default(object)));
-
-        public object Logo
-        {
-            get => GetValue(LogoProperty);
-            set => SetValue(LogoProperty, value);
-        }
-
-        public static readonly DependencyProperty ShowEmptyProperty = DependencyProperty.RegisterAttached(
-            "ShowEmpty", typeof(bool), typeof(Empty), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
-
-        public static void SetShowEmpty(DependencyObject element, bool value)
-            => element.SetValue(ShowEmptyProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetShowEmpty(DependencyObject element)
-            => (bool) element.GetValue(ShowEmptyProperty);
+        get => GetValue(DescriptionProperty);
+        set => SetValue(DescriptionProperty, value);
     }
+
+    public static readonly DependencyProperty LogoProperty = DependencyProperty.Register(
+        "Logo", typeof(object), typeof(Empty), new PropertyMetadata(default(object)));
+
+    public object Logo
+    {
+        get => GetValue(LogoProperty);
+        set => SetValue(LogoProperty, value);
+    }
+
+    public static readonly DependencyProperty ShowEmptyProperty = DependencyProperty.RegisterAttached(
+        "ShowEmpty", typeof(bool), typeof(Empty), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
+
+    public static void SetShowEmpty(DependencyObject element, bool value)
+        => element.SetValue(ShowEmptyProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetShowEmpty(DependencyObject element)
+        => (bool) element.GetValue(ShowEmptyProperty);
 }

src/Shared/HandyControl_Shared/Controls/Other/GotoTop.cs

@@ -5,96 +5,95 @@ using HandyControl.Data;
 using HandyControl.Tools;
 using HandyControl.Tools.Extension;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class GotoTop : Button
 {
-    public class GotoTop : Button
+    private Action _gotoTopAction;
+
+    private System.Windows.Controls.ScrollViewer _scrollViewer;
+
+    public static readonly DependencyProperty TargetProperty = DependencyProperty.Register(
+        "Target", typeof(DependencyObject), typeof(GotoTop), new PropertyMetadata(default(DependencyObject)));
+
+    public DependencyObject Target
     {
-        private Action _gotoTopAction;
+        get => (DependencyObject) GetValue(TargetProperty);
+        set => SetValue(TargetProperty, value);
+    }
 
-        private System.Windows.Controls.ScrollViewer _scrollViewer;
+    public GotoTop() => Loaded += (s, e) => CreateGotoAction(Target);
 
-        public static readonly DependencyProperty TargetProperty = DependencyProperty.Register(
-            "Target", typeof(DependencyObject), typeof(GotoTop), new PropertyMetadata(default(DependencyObject)));
-
-        public DependencyObject Target
+    public virtual void CreateGotoAction(DependencyObject obj)
+    {
+        if (_scrollViewer != null)
         {
-            get => (DependencyObject) GetValue(TargetProperty);
-            set => SetValue(TargetProperty, value);
+            _scrollViewer.ScrollChanged -= ScrollViewer_ScrollChanged;
         }
-
-        public GotoTop() => Loaded += (s, e) => CreateGotoAction(Target);
-
-        public virtual void CreateGotoAction(DependencyObject obj)
+        _scrollViewer = VisualHelper.GetChild<System.Windows.Controls.ScrollViewer>(obj);
+        if (_scrollViewer != null)
         {
-            if (_scrollViewer != null)
+            _scrollViewer.ScrollChanged += ScrollViewer_ScrollChanged;
+
+            if (_scrollViewer is ScrollViewer scrollViewerHandy && Animated && scrollViewerHandy.IsInertiaEnabled)
             {
-                _scrollViewer.ScrollChanged -= ScrollViewer_ScrollChanged;
+                _gotoTopAction = () => scrollViewerHandy.ScrollToTopInternal(AnimationTime);
             }
-            _scrollViewer = VisualHelper.GetChild<System.Windows.Controls.ScrollViewer>(obj);
-            if (_scrollViewer != null)
+            else
             {
-                _scrollViewer.ScrollChanged += ScrollViewer_ScrollChanged;
-
-                if (_scrollViewer is ScrollViewer scrollViewerHandy && Animated && scrollViewerHandy.IsInertiaEnabled)
-                {
-                    _gotoTopAction = () => scrollViewerHandy.ScrollToTopInternal(AnimationTime);
-                }
-                else
-                {
-                    _gotoTopAction = () => _scrollViewer.ScrollToTop();
-                }
+                _gotoTopAction = () => _scrollViewer.ScrollToTop();
             }
         }
+    }
 
-        private void ScrollViewer_ScrollChanged(object sender, ScrollChangedEventArgs e)
+    private void ScrollViewer_ScrollChanged(object sender, ScrollChangedEventArgs e)
+    {
+        if (AutoHiding)
         {
-            if (AutoHiding)
-            {
-                this.Show(e.VerticalOffset >= HidingHeight);
-            }
+            this.Show(e.VerticalOffset >= HidingHeight);
         }
+    }
 
-        public static readonly DependencyProperty AnimatedProperty = DependencyProperty.Register(
-            "Animated", typeof(bool), typeof(GotoTop), new PropertyMetadata(ValueBoxes.TrueBox));
+    public static readonly DependencyProperty AnimatedProperty = DependencyProperty.Register(
+        "Animated", typeof(bool), typeof(GotoTop), new PropertyMetadata(ValueBoxes.TrueBox));
 
-        public bool Animated
-        {
-            get => (bool) GetValue(AnimatedProperty);
-            set => SetValue(AnimatedProperty, ValueBoxes.BooleanBox(value));
-        }
+    public bool Animated
+    {
+        get => (bool) GetValue(AnimatedProperty);
+        set => SetValue(AnimatedProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        public static readonly DependencyProperty AnimationTimeProperty = DependencyProperty.Register(
-            "AnimationTime", typeof(double), typeof(GotoTop), new PropertyMetadata(ValueBoxes.Double200Box));
+    public static readonly DependencyProperty AnimationTimeProperty = DependencyProperty.Register(
+        "AnimationTime", typeof(double), typeof(GotoTop), new PropertyMetadata(ValueBoxes.Double200Box));
 
-        public double AnimationTime
-        {
-            get => (double) GetValue(AnimationTimeProperty);
-            set => SetValue(AnimationTimeProperty, value);
-        }
+    public double AnimationTime
+    {
+        get => (double) GetValue(AnimationTimeProperty);
+        set => SetValue(AnimationTimeProperty, value);
+    }
 
-        public static readonly DependencyProperty HidingHeightProperty = DependencyProperty.Register(
-            "HidingHeight", typeof(double), typeof(GotoTop), new PropertyMetadata(ValueBoxes.Double0Box));
+    public static readonly DependencyProperty HidingHeightProperty = DependencyProperty.Register(
+        "HidingHeight", typeof(double), typeof(GotoTop), new PropertyMetadata(ValueBoxes.Double0Box));
 
-        public double HidingHeight
-        {
-            get => (double) GetValue(HidingHeightProperty);
-            set => SetValue(HidingHeightProperty, value);
-        }
+    public double HidingHeight
+    {
+        get => (double) GetValue(HidingHeightProperty);
+        set => SetValue(HidingHeightProperty, value);
+    }
 
-        public static readonly DependencyProperty AutoHidingProperty = DependencyProperty.Register(
-            "AutoHiding", typeof(bool), typeof(GotoTop), new PropertyMetadata(ValueBoxes.TrueBox));
+    public static readonly DependencyProperty AutoHidingProperty = DependencyProperty.Register(
+        "AutoHiding", typeof(bool), typeof(GotoTop), new PropertyMetadata(ValueBoxes.TrueBox));
 
-        public bool AutoHiding
-        {
-            get => (bool) GetValue(AutoHidingProperty);
-            set => SetValue(AutoHidingProperty, ValueBoxes.BooleanBox(value));
-        }
+    public bool AutoHiding
+    {
+        get => (bool) GetValue(AutoHidingProperty);
+        set => SetValue(AutoHidingProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        protected override void OnClick()
-        {
-            base.OnClick();
+    protected override void OnClick()
+    {
+        base.OnClick();
 
-            _gotoTopAction?.Invoke();
-        }
+        _gotoTopAction?.Invoke();
     }
 }

src/Shared/HandyControl_Shared/Controls/Other/Gravatar.cs

@@ -4,55 +4,54 @@ using System.Windows.Media;
 using HandyControl.Data;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class Gravatar : ContentControl
 {
-    public class Gravatar : ContentControl
+    public static readonly DependencyProperty GeneratorProperty = DependencyProperty.Register(
+        "Generator", typeof(IGravatarGenerator), typeof(Gravatar), new PropertyMetadata(new GithubGravatarGenerator()));
+
+    public IGravatarGenerator Generator
     {
-        public static readonly DependencyProperty GeneratorProperty = DependencyProperty.Register(
-            "Generator", typeof(IGravatarGenerator), typeof(Gravatar), new PropertyMetadata(new GithubGravatarGenerator()));
+        get => (IGravatarGenerator) GetValue(GeneratorProperty);
+        set => SetValue(GeneratorProperty, value);
+    }
 
-        public IGravatarGenerator Generator
-        {
-            get => (IGravatarGenerator) GetValue(GeneratorProperty);
-            set => SetValue(GeneratorProperty, value);
-        }
+    public static readonly DependencyProperty IdProperty = DependencyProperty.Register(
+        "Id", typeof(string), typeof(Gravatar), new PropertyMetadata(default(string), OnIdChanged));
 
-        public static readonly DependencyProperty IdProperty = DependencyProperty.Register(
-            "Id", typeof(string), typeof(Gravatar), new PropertyMetadata(default(string), OnIdChanged));
+    private static void OnIdChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (Gravatar) d;
+        if (ctl.Source != null) return;
+        ctl.Content = ctl.Generator.GetGravatar((string) e.NewValue);
+    }
 
-        private static void OnIdChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (Gravatar) d;
-            if (ctl.Source != null) return;
-            ctl.Content = ctl.Generator.GetGravatar((string) e.NewValue);
-        }
+    public string Id
+    {
+        get => (string) GetValue(IdProperty);
+        set => SetValue(IdProperty, value);
+    }
 
-        public string Id
-        {
-            get => (string) GetValue(IdProperty);
-            set => SetValue(IdProperty, value);
-        }
+    public static readonly DependencyProperty SourceProperty = DependencyProperty.Register(
+        "Source", typeof(ImageSource), typeof(Gravatar), new PropertyMetadata(default(ImageSource), OnSourceChanged));
 
-        public static readonly DependencyProperty SourceProperty = DependencyProperty.Register(
-            "Source", typeof(ImageSource), typeof(Gravatar), new PropertyMetadata(default(ImageSource), OnSourceChanged));
+    private static void OnSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (Gravatar) d;
+        var v = (ImageSource) e.NewValue;
 
-        private static void OnSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            var ctl = (Gravatar) d;
-            var v = (ImageSource) e.NewValue;
+        ctl.Background = v != null
+            ? new ImageBrush(v)
+            {
+                Stretch = Stretch.UniformToFill
+            }
+            : ResourceHelper.GetResourceInternal<Brush>(ResourceToken.SecondaryRegionBrush);
+    }
 
-            ctl.Background = v != null
-                ? new ImageBrush(v)
-                {
-                    Stretch = Stretch.UniformToFill
-                }
-                : ResourceHelper.GetResourceInternal<Brush>(ResourceToken.SecondaryRegionBrush);
-        }
-
-        public ImageSource Source
-        {
-            get => (ImageSource) GetValue(SourceProperty);
-            set => SetValue(SourceProperty, value);
-        }
+    public ImageSource Source
+    {
+        get => (ImageSource) GetValue(SourceProperty);
+        set => SetValue(SourceProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Other/Magnifier.cs

@@ -7,154 +7,153 @@ using HandyControl.Interactivity;
 using HandyControl.Tools;
 using HandyControl.Tools.Extension;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[TemplatePart(Name = ElementVisualBrush, Type = typeof(VisualBrush))]
+public class Magnifier : AdornerElement
 {
-    [TemplatePart(Name = ElementVisualBrush, Type = typeof(VisualBrush))]
-    public class Magnifier : AdornerElement
+    private AdornerContainer _adornerContainer;
+
+    private Size _viewboxSize;
+
+    private const string ElementVisualBrush = "PART_VisualBrush";
+
+    private VisualBrush _visualBrush = new();
+
+    private readonly TranslateTransform _translateTransform;
+
+    public static readonly DependencyProperty HorizontalOffsetProperty = DependencyProperty.Register(
+        "HorizontalOffset", typeof(double), typeof(Magnifier), new PropertyMetadata(ValueBoxes.Double0Box));
+
+    public double HorizontalOffset
     {
-        private AdornerContainer _adornerContainer;
+        get => (double) GetValue(HorizontalOffsetProperty);
+        set => SetValue(HorizontalOffsetProperty, value);
+    }
 
-        private Size _viewboxSize;
+    public static readonly DependencyProperty VerticalOffsetProperty = DependencyProperty.Register(
+        "VerticalOffset", typeof(double), typeof(Magnifier), new PropertyMetadata(ValueBoxes.Double0Box));
 
-        private const string ElementVisualBrush = "PART_VisualBrush";
+    public double VerticalOffset
+    {
+        get => (double) GetValue(VerticalOffsetProperty);
+        set => SetValue(VerticalOffsetProperty, value);
+    }
 
-        private VisualBrush _visualBrush = new();
+    public static Magnifier Default => new();
 
-        private readonly TranslateTransform _translateTransform;
+    public static readonly DependencyProperty ScaleProperty = DependencyProperty.Register(
+        "Scale", typeof(double), typeof(Magnifier), new PropertyMetadata(5.0, OnScaleChanged), ValidateHelper.IsInRangeOfPosDouble);
 
-        public static readonly DependencyProperty HorizontalOffsetProperty = DependencyProperty.Register(
-            "HorizontalOffset", typeof(double), typeof(Magnifier), new PropertyMetadata(ValueBoxes.Double0Box));
+    private static void OnScaleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) => ((Magnifier) d).UpdateViewboxSize();
 
-        public double HorizontalOffset
+    public double Scale
+    {
+        get => (double) GetValue(ScaleProperty);
+        set => SetValue(ScaleProperty, value);
+    }
+
+    public Magnifier()
+    {
+        _translateTransform = new TranslateTransform();
+        RenderTransform = _translateTransform;
+    }
+
+    public override void OnApplyTemplate()
+    {
+        base.OnApplyTemplate();
+
+        var visualBrush = GetTemplateChild(ElementVisualBrush) as VisualBrush ?? new VisualBrush();
+        visualBrush.Viewbox = _visualBrush.Viewbox;
+        _visualBrush = visualBrush;
+    }
+
+    protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
+    {
+        base.OnRenderSizeChanged(sizeInfo);
+        UpdateViewboxSize();
+    }
+
+    private void UpdateViewboxSize() => _viewboxSize = new Size(ActualWidth / Scale, ActualHeight / Scale);
+
+    protected sealed override void OnTargetChanged(FrameworkElement element, bool isNew)
+    {
+        base.OnTargetChanged(element, isNew);
+
+        if (element == null) return;
+
+        if (!isNew)
         {
-            get => (double) GetValue(HorizontalOffsetProperty);
-            set => SetValue(HorizontalOffsetProperty, value);
+            element.MouseEnter -= Element_MouseEnter;
+            element.MouseLeave -= Element_MouseLeave;
+            element.MouseMove -= Element_MouseMove;
+            ElementTarget = null;
         }
-
-        public static readonly DependencyProperty VerticalOffsetProperty = DependencyProperty.Register(
-            "VerticalOffset", typeof(double), typeof(Magnifier), new PropertyMetadata(ValueBoxes.Double0Box));
-
-        public double VerticalOffset
+        else
         {
-            get => (double) GetValue(VerticalOffsetProperty);
-            set => SetValue(VerticalOffsetProperty, value);
-        }
-
-        public static Magnifier Default => new();
-
-        public static readonly DependencyProperty ScaleProperty = DependencyProperty.Register(
-            "Scale", typeof(double), typeof(Magnifier), new PropertyMetadata(5.0, OnScaleChanged), ValidateHelper.IsInRangeOfPosDouble);
-
-        private static void OnScaleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) => ((Magnifier) d).UpdateViewboxSize();
-
-        public double Scale
-        {
-            get => (double) GetValue(ScaleProperty);
-            set => SetValue(ScaleProperty, value);
-        }
-
-        public Magnifier()
-        {
-            _translateTransform = new TranslateTransform();
-            RenderTransform = _translateTransform;
-        }
-
-        public override void OnApplyTemplate()
-        {
-            base.OnApplyTemplate();
-
-            var visualBrush = GetTemplateChild(ElementVisualBrush) as VisualBrush ?? new VisualBrush();
-            visualBrush.Viewbox = _visualBrush.Viewbox;
-            _visualBrush = visualBrush;
-        }
-
-        protected override void OnRenderSizeChanged(SizeChangedInfo sizeInfo)
-        {
-            base.OnRenderSizeChanged(sizeInfo);
-            UpdateViewboxSize();
-        }
-
-        private void UpdateViewboxSize() => _viewboxSize = new Size(ActualWidth / Scale, ActualHeight / Scale);
-
-        protected sealed override void OnTargetChanged(FrameworkElement element, bool isNew)
-        {
-            base.OnTargetChanged(element, isNew);
-
-            if (element == null) return;
-
-            if (!isNew)
-            {
-                element.MouseEnter -= Element_MouseEnter;
-                element.MouseLeave -= Element_MouseLeave;
-                element.MouseMove -= Element_MouseMove;
-                ElementTarget = null;
-            }
-            else
-            {
-                element.MouseEnter += Element_MouseEnter;
-                element.MouseLeave += Element_MouseLeave;
-                element.MouseMove += Element_MouseMove;
-                ElementTarget = element;
-            }
-        }
-
-        protected override void Dispose() => HideAdornerElement();
-
-        private void UpdateLocation()
-        {
-            var targetPoint = Mouse.GetPosition(Target);
-            var subX = targetPoint.X - _visualBrush.Viewbox.Width / 2;
-            var subY = targetPoint.Y - _visualBrush.Viewbox.Height / 2;
-
-            var targetVector = VisualTreeHelper.GetOffset(Target);
-            _visualBrush.Viewbox = new Rect(new Point(subX + targetVector.X, subY + targetVector.Y), _viewboxSize);
-
-            var adornerPoint = Mouse.GetPosition(_adornerContainer);
-            _translateTransform.X = adornerPoint.X + HorizontalOffset;
-            _translateTransform.Y = adornerPoint.Y + VerticalOffset;
-        }
-
-        private void Element_MouseMove(object sender, MouseEventArgs e) => UpdateLocation();
-
-        private void Element_MouseLeave(object sender, MouseEventArgs e) => HideAdornerElement();
-
-        private void Element_MouseEnter(object sender, MouseEventArgs e) => ShowAdornerElement();
-
-        private void HideAdornerElement()
-        {
-            if (_adornerContainer == null) return;
-            var layer = AdornerLayer.GetAdornerLayer(Target);
-
-            if (layer != null)
-            {
-                layer.Remove(_adornerContainer);
-            }
-            else if (_adornerContainer is { Parent: AdornerLayer parent })
-            {
-                parent.Remove(_adornerContainer);
-            }
-
-            if (_adornerContainer != null)
-            {
-                _adornerContainer.Child = null;
-                _adornerContainer = null;
-            }
-        }
-
-        private void ShowAdornerElement()
-        {
-            if (_adornerContainer == null)
-            {
-                var layer = AdornerLayer.GetAdornerLayer(Target);
-                if (layer == null) return;
-
-                _adornerContainer = new AdornerContainer(layer)
-                {
-                    Child = this
-                };
-                layer.Add(_adornerContainer);
-            }
-            this.Show();
+            element.MouseEnter += Element_MouseEnter;
+            element.MouseLeave += Element_MouseLeave;
+            element.MouseMove += Element_MouseMove;
+            ElementTarget = element;
         }
     }
+
+    protected override void Dispose() => HideAdornerElement();
+
+    private void UpdateLocation()
+    {
+        var targetPoint = Mouse.GetPosition(Target);
+        var subX = targetPoint.X - _visualBrush.Viewbox.Width / 2;
+        var subY = targetPoint.Y - _visualBrush.Viewbox.Height / 2;
+
+        var targetVector = VisualTreeHelper.GetOffset(Target);
+        _visualBrush.Viewbox = new Rect(new Point(subX + targetVector.X, subY + targetVector.Y), _viewboxSize);
+
+        var adornerPoint = Mouse.GetPosition(_adornerContainer);
+        _translateTransform.X = adornerPoint.X + HorizontalOffset;
+        _translateTransform.Y = adornerPoint.Y + VerticalOffset;
+    }
+
+    private void Element_MouseMove(object sender, MouseEventArgs e) => UpdateLocation();
+
+    private void Element_MouseLeave(object sender, MouseEventArgs e) => HideAdornerElement();
+
+    private void Element_MouseEnter(object sender, MouseEventArgs e) => ShowAdornerElement();
+
+    private void HideAdornerElement()
+    {
+        if (_adornerContainer == null) return;
+        var layer = AdornerLayer.GetAdornerLayer(Target);
+
+        if (layer != null)
+        {
+            layer.Remove(_adornerContainer);
+        }
+        else if (_adornerContainer is { Parent: AdornerLayer parent })
+        {
+            parent.Remove(_adornerContainer);
+        }
+
+        if (_adornerContainer != null)
+        {
+            _adornerContainer.Child = null;
+            _adornerContainer = null;
+        }
+    }
+
+    private void ShowAdornerElement()
+    {
+        if (_adornerContainer == null)
+        {
+            var layer = AdornerLayer.GetAdornerLayer(Target);
+            if (layer == null) return;
+
+            _adornerContainer = new AdornerContainer(layer)
+            {
+                Child = this
+            };
+            layer.Add(_adornerContainer);
+        }
+        this.Show();
+    }
 }

src/Shared/HandyControl_Shared/Controls/Other/Notification.cs

@@ -5,150 +5,149 @@ using System.Windows.Threading;
 using HandyControl.Data;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public sealed class Notification : System.Windows.Window
 {
-    public sealed class Notification : System.Windows.Window
+    private const int WaitTime = 6;
+
+    /// <summary>
+    ///     计数
+    /// </summary>
+    private int _tickCount;
+
+    /// <summary>
+    ///     关闭计时器
+    /// </summary>
+    private DispatcherTimer _timerClose;
+
+    private ShowAnimation ShowAnimation { get; set; }
+
+    private bool _shouldBeClosed;
+
+    public Notification()
     {
-        private const int WaitTime = 6;
+        WindowStyle = WindowStyle.None;
+        AllowsTransparency = true;
+    }
 
-        /// <summary>
-        ///     计数
-        /// </summary>
-        private int _tickCount;
-
-        /// <summary>
-        ///     关闭计时器
-        /// </summary>
-        private DispatcherTimer _timerClose;
-
-        private ShowAnimation ShowAnimation { get; set; }
-
-        private bool _shouldBeClosed;
-
-        public Notification()
+    public static Notification Show(object content, ShowAnimation showAnimation = ShowAnimation.None, bool staysOpen = false)
+    {
+        var notification = new Notification
         {
-            WindowStyle = WindowStyle.None;
-            AllowsTransparency = true;
+            Content = content,
+            Opacity = 0,
+            ShowAnimation = showAnimation
+        };
+
+        notification.Show();
+
+        var desktopWorkingArea = SystemParameters.WorkArea;
+        var leftMax = desktopWorkingArea.Width - notification.ActualWidth;
+        var topMax = desktopWorkingArea.Height - notification.ActualHeight;
+
+        switch (showAnimation)
+        {
+            case ShowAnimation.None:
+                notification.Opacity = 1;
+                notification.Left = leftMax;
+                notification.Top = topMax;
+                break;
+            case ShowAnimation.HorizontalMove:
+                notification.Opacity = 1;
+                notification.Left = desktopWorkingArea.Width;
+                notification.Top = topMax;
+                notification.BeginAnimation(LeftProperty, AnimationHelper.CreateAnimation(leftMax));
+                break;
+            case ShowAnimation.VerticalMove:
+                notification.Opacity = 1;
+                notification.Left = leftMax;
+                notification.Top = desktopWorkingArea.Height;
+                notification.BeginAnimation(TopProperty, AnimationHelper.CreateAnimation(topMax));
+                break;
+            case ShowAnimation.Fade:
+                notification.Left = leftMax;
+                notification.Top = topMax;
+                notification.BeginAnimation(OpacityProperty, AnimationHelper.CreateAnimation(1));
+                break;
+            default:
+                notification.Opacity = 1;
+                notification.Left = leftMax;
+                notification.Top = topMax;
+                break;
         }
 
-        public static Notification Show(object content, ShowAnimation showAnimation = ShowAnimation.None, bool staysOpen = false)
+        if (!staysOpen) notification.StartTimer();
+
+        return notification;
+    }
+
+    protected override void OnClosing(CancelEventArgs e)
+    {
+        base.OnClosing(e);
+
+        if (_shouldBeClosed)
         {
-            var notification = new Notification
-            {
-                Content = content,
-                Opacity = 0,
-                ShowAnimation = showAnimation
-            };
-
-            notification.Show();
-
-            var desktopWorkingArea = SystemParameters.WorkArea;
-            var leftMax = desktopWorkingArea.Width - notification.ActualWidth;
-            var topMax = desktopWorkingArea.Height - notification.ActualHeight;
-
-            switch (showAnimation)
-            {
-                case ShowAnimation.None:
-                    notification.Opacity = 1;
-                    notification.Left = leftMax;
-                    notification.Top = topMax;
-                    break;
-                case ShowAnimation.HorizontalMove:
-                    notification.Opacity = 1;
-                    notification.Left = desktopWorkingArea.Width;
-                    notification.Top = topMax;
-                    notification.BeginAnimation(LeftProperty, AnimationHelper.CreateAnimation(leftMax));
-                    break;
-                case ShowAnimation.VerticalMove:
-                    notification.Opacity = 1;
-                    notification.Left = leftMax;
-                    notification.Top = desktopWorkingArea.Height;
-                    notification.BeginAnimation(TopProperty, AnimationHelper.CreateAnimation(topMax));
-                    break;
-                case ShowAnimation.Fade:
-                    notification.Left = leftMax;
-                    notification.Top = topMax;
-                    notification.BeginAnimation(OpacityProperty, AnimationHelper.CreateAnimation(1));
-                    break;
-                default:
-                    notification.Opacity = 1;
-                    notification.Left = leftMax;
-                    notification.Top = topMax;
-                    break;
-            }
-
-            if (!staysOpen) notification.StartTimer();
-
-            return notification;
+            return;
         }
+        var desktopWorkingArea = SystemParameters.WorkArea;
 
-        protected override void OnClosing(CancelEventArgs e)
+        switch (ShowAnimation)
         {
-            base.OnClosing(e);
-
-            if (_shouldBeClosed)
-            {
-                return;
-            }
-            var desktopWorkingArea = SystemParameters.WorkArea;
-
-            switch (ShowAnimation)
-            {
-                case ShowAnimation.None:
-                    break;
-                case ShowAnimation.HorizontalMove:
-                    {
-                        var animation = AnimationHelper.CreateAnimation(desktopWorkingArea.Width);
-                        animation.Completed += Animation_Completed;
-                        BeginAnimation(LeftProperty, animation);
-                        e.Cancel = true;
-                        _shouldBeClosed = true;
-                    }
-                    break;
-                case ShowAnimation.VerticalMove:
-                    {
-                        var animation = AnimationHelper.CreateAnimation(desktopWorkingArea.Height);
-                        animation.Completed += Animation_Completed;
-                        BeginAnimation(TopProperty, animation);
-                        e.Cancel = true;
-                        _shouldBeClosed = true;
-                    }
-                    break;
-                case ShowAnimation.Fade:
-                    {
-                        var animation = AnimationHelper.CreateAnimation(0);
-                        animation.Completed += Animation_Completed;
-                        BeginAnimation(OpacityProperty, animation);
-                        e.Cancel = true;
-                        _shouldBeClosed = true;
-                    }
-                    break;
-            }
-        }
-
-        private void Animation_Completed(object sender, EventArgs e) => Close();
-
-        /// <summary>
-        ///     开始计时器
-        /// </summary>
-        private void StartTimer()
-        {
-            _timerClose = new DispatcherTimer
-            {
-                Interval = TimeSpan.FromSeconds(1)
-            };
-            _timerClose.Tick += delegate
-            {
-                if (IsMouseOver)
+            case ShowAnimation.None:
+                break;
+            case ShowAnimation.HorizontalMove:
                 {
-                    _tickCount = 0;
-                    return;
+                    var animation = AnimationHelper.CreateAnimation(desktopWorkingArea.Width);
+                    animation.Completed += Animation_Completed;
+                    BeginAnimation(LeftProperty, animation);
+                    e.Cancel = true;
+                    _shouldBeClosed = true;
                 }
-
-                _tickCount++;
-                if (_tickCount >= WaitTime) Close();
-            };
-            _timerClose.Start();
+                break;
+            case ShowAnimation.VerticalMove:
+                {
+                    var animation = AnimationHelper.CreateAnimation(desktopWorkingArea.Height);
+                    animation.Completed += Animation_Completed;
+                    BeginAnimation(TopProperty, animation);
+                    e.Cancel = true;
+                    _shouldBeClosed = true;
+                }
+                break;
+            case ShowAnimation.Fade:
+                {
+                    var animation = AnimationHelper.CreateAnimation(0);
+                    animation.Completed += Animation_Completed;
+                    BeginAnimation(OpacityProperty, animation);
+                    e.Cancel = true;
+                    _shouldBeClosed = true;
+                }
+                break;
         }
     }
+
+    private void Animation_Completed(object sender, EventArgs e) => Close();
+
+    /// <summary>
+    ///     开始计时器
+    /// </summary>
+    private void StartTimer()
+    {
+        _timerClose = new DispatcherTimer
+        {
+            Interval = TimeSpan.FromSeconds(1)
+        };
+        _timerClose.Tick += delegate
+        {
+            if (IsMouseOver)
+            {
+                _tickCount = 0;
+                return;
+            }
+
+            _tickCount++;
+            if (_tickCount >= WaitTime) Close();
+        };
+        _timerClose.Start();
+    }
 }

src/Shared/HandyControl_Shared/Controls/Other/Pagination.cs

@@ -7,396 +7,395 @@ using HandyControl.Interactivity;
 using HandyControl.Tools;
 using HandyControl.Tools.Extension;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+/// <summary>
+///     页码
+/// </summary>
+[TemplatePart(Name = ElementButtonLeft, Type = typeof(Button))]
+[TemplatePart(Name = ElementButtonRight, Type = typeof(Button))]
+[TemplatePart(Name = ElementButtonFirst, Type = typeof(RadioButton))]
+[TemplatePart(Name = ElementMoreLeft, Type = typeof(FrameworkElement))]
+[TemplatePart(Name = ElementPanelMain, Type = typeof(Panel))]
+[TemplatePart(Name = ElementMoreRight, Type = typeof(FrameworkElement))]
+[TemplatePart(Name = ElementButtonLast, Type = typeof(RadioButton))]
+[TemplatePart(Name = ElementButtonLast, Type = typeof(NumericUpDown))]
+public class Pagination : Control
 {
+    #region Constants
+
+    private const string ElementButtonLeft = "PART_ButtonLeft";
+    private const string ElementButtonRight = "PART_ButtonRight";
+    private const string ElementButtonFirst = "PART_ButtonFirst";
+    private const string ElementMoreLeft = "PART_MoreLeft";
+    private const string ElementPanelMain = "PART_PanelMain";
+    private const string ElementMoreRight = "PART_MoreRight";
+    private const string ElementButtonLast = "PART_ButtonLast";
+    private const string ElementJump = "PART_Jump";
+
+    #endregion Constants
+
+    #region Data
+
+    private Button _buttonLeft;
+    private Button _buttonRight;
+    private RadioButton _buttonFirst;
+    private FrameworkElement _moreLeft;
+    private Panel _panelMain;
+    private FrameworkElement _moreRight;
+    private RadioButton _buttonLast;
+    private NumericUpDown _jumpNumericUpDown;
+
+    private bool _appliedTemplate;
+
+    #endregion Data
+
+    #region Public Events
+
     /// <summary>
-    ///     页码
+    ///     页面更新事件
     /// </summary>
-    [TemplatePart(Name = ElementButtonLeft, Type = typeof(Button))]
-    [TemplatePart(Name = ElementButtonRight, Type = typeof(Button))]
-    [TemplatePart(Name = ElementButtonFirst, Type = typeof(RadioButton))]
-    [TemplatePart(Name = ElementMoreLeft, Type = typeof(FrameworkElement))]
-    [TemplatePart(Name = ElementPanelMain, Type = typeof(Panel))]
-    [TemplatePart(Name = ElementMoreRight, Type = typeof(FrameworkElement))]
-    [TemplatePart(Name = ElementButtonLast, Type = typeof(RadioButton))]
-    [TemplatePart(Name = ElementButtonLast, Type = typeof(NumericUpDown))]
-    public class Pagination : Control
+    public static readonly RoutedEvent PageUpdatedEvent =
+        EventManager.RegisterRoutedEvent("PageUpdated", RoutingStrategy.Bubble,
+            typeof(EventHandler<FunctionEventArgs<int>>), typeof(Pagination));
+
+    /// <summary>
+    ///     页面更新事件
+    /// </summary>
+    public event EventHandler<FunctionEventArgs<int>> PageUpdated
     {
-        #region Constants
-
-        private const string ElementButtonLeft = "PART_ButtonLeft";
-        private const string ElementButtonRight = "PART_ButtonRight";
-        private const string ElementButtonFirst = "PART_ButtonFirst";
-        private const string ElementMoreLeft = "PART_MoreLeft";
-        private const string ElementPanelMain = "PART_PanelMain";
-        private const string ElementMoreRight = "PART_MoreRight";
-        private const string ElementButtonLast = "PART_ButtonLast";
-        private const string ElementJump = "PART_Jump";
-
-        #endregion Constants
-
-        #region Data
-
-        private Button _buttonLeft;
-        private Button _buttonRight;
-        private RadioButton _buttonFirst;
-        private FrameworkElement _moreLeft;
-        private Panel _panelMain;
-        private FrameworkElement _moreRight;
-        private RadioButton _buttonLast;
-        private NumericUpDown _jumpNumericUpDown;
-
-        private bool _appliedTemplate;
-
-        #endregion Data
-
-        #region Public Events
-
-        /// <summary>
-        ///     页面更新事件
-        /// </summary>
-        public static readonly RoutedEvent PageUpdatedEvent =
-            EventManager.RegisterRoutedEvent("PageUpdated", RoutingStrategy.Bubble,
-                typeof(EventHandler<FunctionEventArgs<int>>), typeof(Pagination));
-
-        /// <summary>
-        ///     页面更新事件
-        /// </summary>
-        public event EventHandler<FunctionEventArgs<int>> PageUpdated
-        {
-            add => AddHandler(PageUpdatedEvent, value);
-            remove => RemoveHandler(PageUpdatedEvent, value);
-        }
-
-        #endregion Public Events
-
-        public Pagination()
-        {
-            CommandBindings.Add(new CommandBinding(ControlCommands.Prev, ButtonPrev_OnClick));
-            CommandBindings.Add(new CommandBinding(ControlCommands.Next, ButtonNext_OnClick));
-            CommandBindings.Add(new CommandBinding(ControlCommands.Selected, ToggleButton_OnChecked));
-            CommandBindings.Add(new CommandBinding(ControlCommands.Jump, (s, e) => PageIndex = (int) _jumpNumericUpDown.Value));
-
-            OnAutoHidingChanged(AutoHiding);
-            Update();
-        }
-
-        #region Public Properties
-
-        #region MaxPageCount
-
-        /// <summary>
-        ///     最大页数
-        /// </summary>
-        public static readonly DependencyProperty MaxPageCountProperty = DependencyProperty.Register(
-            "MaxPageCount", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, OnMaxPageCountChanged, CoerceMaxPageCount), ValidateHelper.IsInRangeOfPosIntIncludeZero);
-
-        private static object CoerceMaxPageCount(DependencyObject d, object basevalue)
-        {
-            var intValue = (int) basevalue;
-            return intValue < 1 ? 1 : intValue;
-        }
-
-        private static void OnMaxPageCountChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is Pagination pagination)
-            {
-                if (pagination.PageIndex > pagination.MaxPageCount)
-                {
-                    pagination.PageIndex = pagination.MaxPageCount;
-                }
-
-                pagination.CoerceValue(PageIndexProperty);
-                pagination.OnAutoHidingChanged(pagination.AutoHiding);
-                pagination.Update();
-            }
-        }
-
-        /// <summary>
-        ///     最大页数
-        /// </summary>
-        public int MaxPageCount
-        {
-            get => (int) GetValue(MaxPageCountProperty);
-            set => SetValue(MaxPageCountProperty, value);
-        }
-
-        #endregion MaxPageCount
-
-        #region DataCountPerPage
-
-        /// <summary>
-        ///     每页的数据量
-        /// </summary>
-        public static readonly DependencyProperty DataCountPerPageProperty = DependencyProperty.Register(
-            "DataCountPerPage", typeof(int), typeof(Pagination), new PropertyMetadata(20, OnDataCountPerPageChanged),
-            ValidateHelper.IsInRangeOfPosInt);
-
-        private static void OnDataCountPerPageChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is Pagination pagination)
-            {
-                pagination.Update();
-            }
-        }
-
-        /// <summary>
-        ///     每页的数据量
-        /// </summary>
-        public int DataCountPerPage
-        {
-            get => (int) GetValue(DataCountPerPageProperty);
-            set => SetValue(DataCountPerPageProperty, value);
-        }
-
-        #endregion
-
-        #region PageIndex
-
-        /// <summary>
-        ///     当前页
-        /// </summary>
-        public static readonly DependencyProperty PageIndexProperty = DependencyProperty.Register(
-            "PageIndex", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, OnPageIndexChanged, CoercePageIndex), ValidateHelper.IsInRangeOfPosIntIncludeZero);
-
-        private static object CoercePageIndex(DependencyObject d, object basevalue)
-        {
-            if (d is not Pagination pagination) return 1;
-
-            var intValue = (int) basevalue;
-            return intValue < 1
-                ? 1
-                : intValue > pagination.MaxPageCount
-                    ? pagination.MaxPageCount
-                    : intValue;
-        }
-
-        private static void OnPageIndexChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is Pagination pagination && e.NewValue is int value)
-            {
-                pagination.Update();
-                pagination.RaiseEvent(new FunctionEventArgs<int>(PageUpdatedEvent, pagination)
-                {
-                    Info = value
-                });
-            }
-        }
-
-        /// <summary>
-        ///     当前页
-        /// </summary>
-        public int PageIndex
-        {
-            get => (int) GetValue(PageIndexProperty);
-            set => SetValue(PageIndexProperty, value);
-        }
-
-        #endregion PageIndex
-
-        #region MaxPageInterval
-
-        /// <summary>
-        ///     表示当前选中的按钮距离左右两个方向按钮的最大间隔（4表示间隔4个按钮，如果超过则用省略号表示）
-        /// </summary>       
-        public static readonly DependencyProperty MaxPageIntervalProperty = DependencyProperty.Register(
-            "MaxPageInterval", typeof(int), typeof(Pagination), new PropertyMetadata(3, OnMaxPageIntervalChanged), ValidateHelper.IsInRangeOfPosIntIncludeZero);
-
-        private static void OnMaxPageIntervalChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is Pagination pagination)
-            {
-                pagination.Update();
-            }
-        }
-
-        /// <summary>
-        ///     表示当前选中的按钮距离左右两个方向按钮的最大间隔（4表示间隔4个按钮，如果超过则用省略号表示）
-        /// </summary>   
-        public int MaxPageInterval
-        {
-            get => (int) GetValue(MaxPageIntervalProperty);
-            set => SetValue(MaxPageIntervalProperty, value);
-        }
-
-        #endregion MaxPageInterval
-
-        #region IsJumpEnabled
-
-        public static readonly DependencyProperty IsJumpEnabledProperty = DependencyProperty.Register(
-            "IsJumpEnabled", typeof(bool), typeof(Pagination), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public bool IsJumpEnabled
-        {
-            get => (bool) GetValue(IsJumpEnabledProperty);
-            set => SetValue(IsJumpEnabledProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        #endregion
-
-        #region AutoHiding
-
-        public static readonly DependencyProperty AutoHidingProperty = DependencyProperty.Register(
-            "AutoHiding", typeof(bool), typeof(Pagination), new PropertyMetadata(ValueBoxes.TrueBox, OnAutoHidingChanged));
-
-        private static void OnAutoHidingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is Pagination pagination)
-            {
-                pagination.OnAutoHidingChanged((bool) e.NewValue);
-            }
-        }
-
-        private void OnAutoHidingChanged(bool newValue) => this.Show(!newValue || MaxPageCount > 1);
-
-        public bool AutoHiding
-        {
-            get => (bool) GetValue(AutoHidingProperty);
-            set => SetValue(AutoHidingProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        #endregion
-
-        #endregion
-
-        #region Public Methods
-
-        public override void OnApplyTemplate()
-        {
-            _appliedTemplate = false;
-            base.OnApplyTemplate();
-
-            _buttonLeft = GetTemplateChild(ElementButtonLeft) as Button;
-            _buttonRight = GetTemplateChild(ElementButtonRight) as Button;
-            _buttonFirst = GetTemplateChild(ElementButtonFirst) as RadioButton;
-            _moreLeft = GetTemplateChild(ElementMoreLeft) as FrameworkElement;
-            _panelMain = GetTemplateChild(ElementPanelMain) as Panel;
-            _moreRight = GetTemplateChild(ElementMoreRight) as FrameworkElement;
-            _buttonLast = GetTemplateChild(ElementButtonLast) as RadioButton;
-            _jumpNumericUpDown = GetTemplateChild(ElementJump) as NumericUpDown;
-
-            CheckNull();
-
-            _appliedTemplate = true;
-            Update();
-        }
-
-        #endregion Public Methods
-
-        #region Private Methods
-
-        private void CheckNull()
-        {
-            if (_buttonLeft == null || _buttonRight == null || _buttonFirst == null ||
-                _moreLeft == null || _panelMain == null || _moreRight == null ||
-                _buttonLast == null) throw new Exception();
-        }
-
-        /// <summary>
-        ///     更新
-        /// </summary>
-        private void Update()
-        {
-            if (!_appliedTemplate) return;
-            _buttonLeft.IsEnabled = PageIndex > 1;
-            _buttonRight.IsEnabled = PageIndex < MaxPageCount;
-            if (MaxPageInterval == 0)
-            {
-                _buttonFirst.Collapse();
-                _buttonLast.Collapse();
-                _moreLeft.Collapse();
-                _moreRight.Collapse();
-                _panelMain.Children.Clear();
-                var selectButton = CreateButton(PageIndex);
-                _panelMain.Children.Add(selectButton);
-                selectButton.IsChecked = true;
-                return;
-            }
-            _buttonFirst.Show();
-            _buttonLast.Show();
-            _moreLeft.Show();
-            _moreRight.Show();
-
-            //更新最后一页
-            if (MaxPageCount == 1)
-            {
-                _buttonLast.Collapse();
-            }
-            else
-            {
-                _buttonLast.Show();
-                _buttonLast.Content = MaxPageCount.ToString();
-            }
-
-            //更新省略号
-            var right = MaxPageCount - PageIndex;
-            var left = PageIndex - 1;
-            _moreRight.Show(right > MaxPageInterval);
-            _moreLeft.Show(left > MaxPageInterval);
-
-            //更新中间部分
-            _panelMain.Children.Clear();
-            if (PageIndex > 1 && PageIndex < MaxPageCount)
-            {
-                var selectButton = CreateButton(PageIndex);
-                _panelMain.Children.Add(selectButton);
-                selectButton.IsChecked = true;
-            }
-            else if (PageIndex == 1)
-            {
-                _buttonFirst.IsChecked = true;
-            }
-            else
-            {
-                _buttonLast.IsChecked = true;
-            }
-
-            var sub = PageIndex;
-            for (var i = 0; i < MaxPageInterval - 1; i++)
-            {
-                if (--sub > 1)
-                {
-                    _panelMain.Children.Insert(0, CreateButton(sub));
-                }
-                else
-                {
-                    break;
-                }
-            }
-            var add = PageIndex;
-            for (var i = 0; i < MaxPageInterval - 1; i++)
-            {
-                if (++add < MaxPageCount)
-                {
-                    _panelMain.Children.Add(CreateButton(add));
-                }
-                else
-                {
-                    break;
-                }
-            }
-        }
-
-        private void ButtonPrev_OnClick(object sender, RoutedEventArgs e) => PageIndex--;
-
-        private void ButtonNext_OnClick(object sender, RoutedEventArgs e) => PageIndex++;
-
-        private RadioButton CreateButton(int page)
-        {
-            return new()
-            {
-                Style = ResourceHelper.GetResourceInternal<Style>(ResourceToken.PaginationButtonStyle),
-                Content = page.ToString()
-            };
-        }
-
-        private void ToggleButton_OnChecked(object sender, RoutedEventArgs e)
-        {
-            if (e.OriginalSource is not RadioButton button) return;
-            if (button.IsChecked == false) return;
-            PageIndex = int.Parse(button.Content.ToString());
-        }
-
-        #endregion Private Methods       
+        add => AddHandler(PageUpdatedEvent, value);
+        remove => RemoveHandler(PageUpdatedEvent, value);
     }
+
+    #endregion Public Events
+
+    public Pagination()
+    {
+        CommandBindings.Add(new CommandBinding(ControlCommands.Prev, ButtonPrev_OnClick));
+        CommandBindings.Add(new CommandBinding(ControlCommands.Next, ButtonNext_OnClick));
+        CommandBindings.Add(new CommandBinding(ControlCommands.Selected, ToggleButton_OnChecked));
+        CommandBindings.Add(new CommandBinding(ControlCommands.Jump, (s, e) => PageIndex = (int) _jumpNumericUpDown.Value));
+
+        OnAutoHidingChanged(AutoHiding);
+        Update();
+    }
+
+    #region Public Properties
+
+    #region MaxPageCount
+
+    /// <summary>
+    ///     最大页数
+    /// </summary>
+    public static readonly DependencyProperty MaxPageCountProperty = DependencyProperty.Register(
+        "MaxPageCount", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, OnMaxPageCountChanged, CoerceMaxPageCount), ValidateHelper.IsInRangeOfPosIntIncludeZero);
+
+    private static object CoerceMaxPageCount(DependencyObject d, object basevalue)
+    {
+        var intValue = (int) basevalue;
+        return intValue < 1 ? 1 : intValue;
+    }
+
+    private static void OnMaxPageCountChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is Pagination pagination)
+        {
+            if (pagination.PageIndex > pagination.MaxPageCount)
+            {
+                pagination.PageIndex = pagination.MaxPageCount;
+            }
+
+            pagination.CoerceValue(PageIndexProperty);
+            pagination.OnAutoHidingChanged(pagination.AutoHiding);
+            pagination.Update();
+        }
+    }
+
+    /// <summary>
+    ///     最大页数
+    /// </summary>
+    public int MaxPageCount
+    {
+        get => (int) GetValue(MaxPageCountProperty);
+        set => SetValue(MaxPageCountProperty, value);
+    }
+
+    #endregion MaxPageCount
+
+    #region DataCountPerPage
+
+    /// <summary>
+    ///     每页的数据量
+    /// </summary>
+    public static readonly DependencyProperty DataCountPerPageProperty = DependencyProperty.Register(
+        "DataCountPerPage", typeof(int), typeof(Pagination), new PropertyMetadata(20, OnDataCountPerPageChanged),
+        ValidateHelper.IsInRangeOfPosInt);
+
+    private static void OnDataCountPerPageChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is Pagination pagination)
+        {
+            pagination.Update();
+        }
+    }
+
+    /// <summary>
+    ///     每页的数据量
+    /// </summary>
+    public int DataCountPerPage
+    {
+        get => (int) GetValue(DataCountPerPageProperty);
+        set => SetValue(DataCountPerPageProperty, value);
+    }
+
+    #endregion
+
+    #region PageIndex
+
+    /// <summary>
+    ///     当前页
+    /// </summary>
+    public static readonly DependencyProperty PageIndexProperty = DependencyProperty.Register(
+        "PageIndex", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, OnPageIndexChanged, CoercePageIndex), ValidateHelper.IsInRangeOfPosIntIncludeZero);
+
+    private static object CoercePageIndex(DependencyObject d, object basevalue)
+    {
+        if (d is not Pagination pagination) return 1;
+
+        var intValue = (int) basevalue;
+        return intValue < 1
+            ? 1
+            : intValue > pagination.MaxPageCount
+                ? pagination.MaxPageCount
+                : intValue;
+    }
+
+    private static void OnPageIndexChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is Pagination pagination && e.NewValue is int value)
+        {
+            pagination.Update();
+            pagination.RaiseEvent(new FunctionEventArgs<int>(PageUpdatedEvent, pagination)
+            {
+                Info = value
+            });
+        }
+    }
+
+    /// <summary>
+    ///     当前页
+    /// </summary>
+    public int PageIndex
+    {
+        get => (int) GetValue(PageIndexProperty);
+        set => SetValue(PageIndexProperty, value);
+    }
+
+    #endregion PageIndex
+
+    #region MaxPageInterval
+
+    /// <summary>
+    ///     表示当前选中的按钮距离左右两个方向按钮的最大间隔（4表示间隔4个按钮，如果超过则用省略号表示）
+    /// </summary>       
+    public static readonly DependencyProperty MaxPageIntervalProperty = DependencyProperty.Register(
+        "MaxPageInterval", typeof(int), typeof(Pagination), new PropertyMetadata(3, OnMaxPageIntervalChanged), ValidateHelper.IsInRangeOfPosIntIncludeZero);
+
+    private static void OnMaxPageIntervalChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is Pagination pagination)
+        {
+            pagination.Update();
+        }
+    }
+
+    /// <summary>
+    ///     表示当前选中的按钮距离左右两个方向按钮的最大间隔（4表示间隔4个按钮，如果超过则用省略号表示）
+    /// </summary>   
+    public int MaxPageInterval
+    {
+        get => (int) GetValue(MaxPageIntervalProperty);
+        set => SetValue(MaxPageIntervalProperty, value);
+    }
+
+    #endregion MaxPageInterval
+
+    #region IsJumpEnabled
+
+    public static readonly DependencyProperty IsJumpEnabledProperty = DependencyProperty.Register(
+        "IsJumpEnabled", typeof(bool), typeof(Pagination), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public bool IsJumpEnabled
+    {
+        get => (bool) GetValue(IsJumpEnabledProperty);
+        set => SetValue(IsJumpEnabledProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    #endregion
+
+    #region AutoHiding
+
+    public static readonly DependencyProperty AutoHidingProperty = DependencyProperty.Register(
+        "AutoHiding", typeof(bool), typeof(Pagination), new PropertyMetadata(ValueBoxes.TrueBox, OnAutoHidingChanged));
+
+    private static void OnAutoHidingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is Pagination pagination)
+        {
+            pagination.OnAutoHidingChanged((bool) e.NewValue);
+        }
+    }
+
+    private void OnAutoHidingChanged(bool newValue) => this.Show(!newValue || MaxPageCount > 1);
+
+    public bool AutoHiding
+    {
+        get => (bool) GetValue(AutoHidingProperty);
+        set => SetValue(AutoHidingProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    #endregion
+
+    #endregion
+
+    #region Public Methods
+
+    public override void OnApplyTemplate()
+    {
+        _appliedTemplate = false;
+        base.OnApplyTemplate();
+
+        _buttonLeft = GetTemplateChild(ElementButtonLeft) as Button;
+        _buttonRight = GetTemplateChild(ElementButtonRight) as Button;
+        _buttonFirst = GetTemplateChild(ElementButtonFirst) as RadioButton;
+        _moreLeft = GetTemplateChild(ElementMoreLeft) as FrameworkElement;
+        _panelMain = GetTemplateChild(ElementPanelMain) as Panel;
+        _moreRight = GetTemplateChild(ElementMoreRight) as FrameworkElement;
+        _buttonLast = GetTemplateChild(ElementButtonLast) as RadioButton;
+        _jumpNumericUpDown = GetTemplateChild(ElementJump) as NumericUpDown;
+
+        CheckNull();
+
+        _appliedTemplate = true;
+        Update();
+    }
+
+    #endregion Public Methods
+
+    #region Private Methods
+
+    private void CheckNull()
+    {
+        if (_buttonLeft == null || _buttonRight == null || _buttonFirst == null ||
+            _moreLeft == null || _panelMain == null || _moreRight == null ||
+            _buttonLast == null) throw new Exception();
+    }
+
+    /// <summary>
+    ///     更新
+    /// </summary>
+    private void Update()
+    {
+        if (!_appliedTemplate) return;
+        _buttonLeft.IsEnabled = PageIndex > 1;
+        _buttonRight.IsEnabled = PageIndex < MaxPageCount;
+        if (MaxPageInterval == 0)
+        {
+            _buttonFirst.Collapse();
+            _buttonLast.Collapse();
+            _moreLeft.Collapse();
+            _moreRight.Collapse();
+            _panelMain.Children.Clear();
+            var selectButton = CreateButton(PageIndex);
+            _panelMain.Children.Add(selectButton);
+            selectButton.IsChecked = true;
+            return;
+        }
+        _buttonFirst.Show();
+        _buttonLast.Show();
+        _moreLeft.Show();
+        _moreRight.Show();
+
+        //更新最后一页
+        if (MaxPageCount == 1)
+        {
+            _buttonLast.Collapse();
+        }
+        else
+        {
+            _buttonLast.Show();
+            _buttonLast.Content = MaxPageCount.ToString();
+        }
+
+        //更新省略号
+        var right = MaxPageCount - PageIndex;
+        var left = PageIndex - 1;
+        _moreRight.Show(right > MaxPageInterval);
+        _moreLeft.Show(left > MaxPageInterval);
+
+        //更新中间部分
+        _panelMain.Children.Clear();
+        if (PageIndex > 1 && PageIndex < MaxPageCount)
+        {
+            var selectButton = CreateButton(PageIndex);
+            _panelMain.Children.Add(selectButton);
+            selectButton.IsChecked = true;
+        }
+        else if (PageIndex == 1)
+        {
+            _buttonFirst.IsChecked = true;
+        }
+        else
+        {
+            _buttonLast.IsChecked = true;
+        }
+
+        var sub = PageIndex;
+        for (var i = 0; i < MaxPageInterval - 1; i++)
+        {
+            if (--sub > 1)
+            {
+                _panelMain.Children.Insert(0, CreateButton(sub));
+            }
+            else
+            {
+                break;
+            }
+        }
+        var add = PageIndex;
+        for (var i = 0; i < MaxPageInterval - 1; i++)
+        {
+            if (++add < MaxPageCount)
+            {
+                _panelMain.Children.Add(CreateButton(add));
+            }
+            else
+            {
+                break;
+            }
+        }
+    }
+
+    private void ButtonPrev_OnClick(object sender, RoutedEventArgs e) => PageIndex--;
+
+    private void ButtonNext_OnClick(object sender, RoutedEventArgs e) => PageIndex++;
+
+    private RadioButton CreateButton(int page)
+    {
+        return new()
+        {
+            Style = ResourceHelper.GetResourceInternal<Style>(ResourceToken.PaginationButtonStyle),
+            Content = page.ToString()
+        };
+    }
+
+    private void ToggleButton_OnChecked(object sender, RoutedEventArgs e)
+    {
+        if (e.OriginalSource is not RadioButton button) return;
+        if (button.IsChecked == false) return;
+        PageIndex = int.Parse(button.Content.ToString());
+    }
+
+    #endregion Private Methods       
 }

src/Shared/HandyControl_Shared/Controls/Other/Poptip.cs

@@ -7,313 +7,322 @@ using System.Windows.Input;
 using HandyControl.Data;
 using HandyControl.Data.Enum;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class Poptip : AdornerElement
 {
-    public class Poptip : AdornerElement
+    private readonly Popup _popup;
+
+    public Poptip()
     {
-        private readonly Popup _popup;
-
-        public Poptip()
+        _popup = new Popup
         {
-            _popup = new Popup
-            {
-                AllowsTransparency = true,
-                Child = this
-            };
+            AllowsTransparency = true,
+            Child = this,
+            Placement = PlacementMode.Relative
+        };
 
-            _popup.SetBinding(DataContextProperty, new Binding(DataContextProperty.Name) { Source = this });
-        }
+        _popup.SetBinding(DataContextProperty, new Binding(DataContextProperty.Name) { Source = this });
+    }
 
-        public static readonly DependencyProperty HitModeProperty = DependencyProperty.RegisterAttached(
-            "HitMode", typeof(HitMode), typeof(Poptip), new PropertyMetadata(HitMode.Hover));
+    public static readonly DependencyProperty HitModeProperty = DependencyProperty.RegisterAttached(
+        "HitMode", typeof(HitMode), typeof(Poptip), new PropertyMetadata(HitMode.Hover));
 
-        public static void SetHitMode(DependencyObject element, HitMode value)
-            => element.SetValue(HitModeProperty, value);
+    public static void SetHitMode(DependencyObject element, HitMode value)
+        => element.SetValue(HitModeProperty, value);
 
-        public static HitMode GetHitMode(DependencyObject element)
-            => (HitMode) element.GetValue(HitModeProperty);
+    public static HitMode GetHitMode(DependencyObject element)
+        => (HitMode) element.GetValue(HitModeProperty);
 
-        public HitMode HitMode
+    public HitMode HitMode
+    {
+        get => (HitMode) GetValue(HitModeProperty);
+        set => SetValue(HitModeProperty, value);
+    }
+
+    public static readonly DependencyProperty ContentProperty = DependencyProperty.RegisterAttached(
+        "Content", typeof(object), typeof(Poptip), new PropertyMetadata(default, OnContentChanged));
+
+    private static void OnContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is Poptip) return;
+        if (GetInstance(d) == null)
         {
-            get => (HitMode) GetValue(HitModeProperty);
-            set => SetValue(HitModeProperty, value);
-        }
-
-        public static readonly DependencyProperty ContentProperty = DependencyProperty.RegisterAttached(
-            "Content", typeof(object), typeof(Poptip), new PropertyMetadata(default, OnContentChanged));
-
-        private static void OnContentChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is Poptip) return;
-            if (GetInstance(d) == null)
-            {
-                SetInstance(d, Default);
-                SetIsInstance(d, false);
-            }
-        }
-
-        public static void SetContent(DependencyObject element, object value)
-            => element.SetValue(ContentProperty, value);
-
-        public static object GetContent(DependencyObject element)
-            => element.GetValue(ContentProperty);
-
-        public object Content
-        {
-            get => GetValue(ContentProperty);
-            set => SetValue(ContentProperty, value);
-        }
-
-        public static readonly DependencyProperty ContentTemplateProperty = DependencyProperty.Register(
-            "ContentTemplate", typeof(DataTemplate), typeof(Poptip), new PropertyMetadata(default(DataTemplate)));
-
-        public DataTemplate ContentTemplate
-        {
-            get => (DataTemplate) GetValue(ContentTemplateProperty);
-            set => SetValue(ContentTemplateProperty, value);
-        }
-
-        public static readonly DependencyProperty ContentStringFormatProperty = DependencyProperty.Register(
-            "ContentStringFormat", typeof(string), typeof(Poptip), new PropertyMetadata(default(string)));
-
-        public string ContentStringFormat
-        {
-            get => (string) GetValue(ContentStringFormatProperty);
-            set => SetValue(ContentStringFormatProperty, value);
-        }
-
-        public static readonly DependencyProperty ContentTemplateSelectorProperty = DependencyProperty.Register(
-            "ContentTemplateSelector", typeof(DataTemplateSelector), typeof(Poptip), new PropertyMetadata(default(DataTemplateSelector)));
-
-        public DataTemplateSelector ContentTemplateSelector
-        {
-            get => (DataTemplateSelector) GetValue(ContentTemplateSelectorProperty);
-            set => SetValue(ContentTemplateSelectorProperty, value);
-        }
-
-        public static readonly DependencyProperty OffsetProperty = DependencyProperty.RegisterAttached(
-            "Offset", typeof(double), typeof(Poptip), new PropertyMetadata(6.0));
-
-        public static void SetOffset(DependencyObject element, double value)
-            => element.SetValue(OffsetProperty, value);
-
-        public static double GetOffset(DependencyObject element)
-            => (double) element.GetValue(OffsetProperty);
-
-        public double Offset
-        {
-            get => (double) GetValue(OffsetProperty);
-            set => SetValue(OffsetProperty, value);
-        }
-
-        public static readonly DependencyProperty PlacementTypeProperty = DependencyProperty.RegisterAttached(
-            "PlacementType", typeof(PlacementType), typeof(Poptip), new PropertyMetadata(PlacementType.Top));
-
-        public static void SetPlacement(DependencyObject element, PlacementType value)
-            => element.SetValue(PlacementTypeProperty, value);
-
-        public static PlacementType GetPlacement(DependencyObject element)
-            => (PlacementType) element.GetValue(PlacementTypeProperty);
-
-        public PlacementType PlacementType
-        {
-            get => (PlacementType) GetValue(PlacementTypeProperty);
-            set => SetValue(PlacementTypeProperty, value);
-        }
-
-        public static readonly DependencyProperty IsOpenProperty = DependencyProperty.RegisterAttached(
-            "IsOpen", typeof(bool), typeof(Poptip), new PropertyMetadata(ValueBoxes.FalseBox, OnIsOpenChanged));
-
-        private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is Poptip poptip)
-            {
-                poptip.SwitchPoptip((bool) e.NewValue);
-            }
-            else
-            {
-                ((Poptip) GetInstance(d))?.SwitchPoptip((bool) e.NewValue);
-            }
-        }
-
-        public static void SetIsOpen(DependencyObject element, bool value)
-            => element.SetValue(IsOpenProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetIsOpen(DependencyObject element)
-            => (bool) element.GetValue(IsOpenProperty);
-
-        public bool IsOpen
-        {
-            get => (bool) GetValue(IsOpenProperty);
-            set => SetValue(IsOpenProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static Poptip Default => new();
-
-        protected sealed override void OnTargetChanged(FrameworkElement element, bool isNew)
-        {
-            base.OnTargetChanged(element, isNew);
-
-            if (element == null) return;
-
-            if (!isNew)
-            {
-                element.MouseEnter -= Element_MouseEnter;
-                element.MouseLeave -= Element_MouseLeave;
-                element.GotFocus -= Element_GotFocus;
-                element.LostFocus -= Element_LostFocus;
-                ElementTarget = null;
-            }
-            else
-            {
-                element.MouseEnter += Element_MouseEnter;
-                element.MouseLeave += Element_MouseLeave;
-                element.GotFocus += Element_GotFocus;
-                element.LostFocus += Element_LostFocus;
-                ElementTarget = element;
-                _popup.PlacementTarget = ElementTarget;
-            }
-        }
-
-        protected override void Dispose() => SwitchPoptip(false);
-
-        private void UpdateLocation()
-        {
-            var targetWidth = Target.RenderSize.Width;
-            var targetHeight = Target.RenderSize.Height;
-
-            Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
-            var size = DesiredSize;
-
-            var width = size.Width;
-            var height = size.Height;
-
-            var offsetX = .0;
-            var offsetY = .0;
-
-            var poptip = (Poptip) GetInstance(Target);
-            var popupPlacement = poptip.PlacementType;
-            var popupOffset = poptip.Offset;
-
-            PlacementMode placementMode;
-
-            switch (popupPlacement)
-            {
-                case PlacementType.LeftTop:
-                    offsetX = -popupOffset;
-                    placementMode = PlacementMode.Left;
-                    break;
-                case PlacementType.Left:
-                    offsetX = -popupOffset;
-                    offsetY = (targetHeight - height) / 2;
-                    placementMode = PlacementMode.Left;
-                    break;
-                case PlacementType.LeftBottom:
-                    offsetX = -popupOffset;
-                    offsetY = targetHeight - height;
-                    placementMode = PlacementMode.Left;
-                    break;
-                case PlacementType.TopLeft:
-                    offsetY = -popupOffset;
-                    placementMode = PlacementMode.Top;
-                    break;
-                case PlacementType.Top:
-                    offsetX = (targetWidth - width) / 2;
-                    offsetY = -popupOffset;
-                    placementMode = PlacementMode.Top;
-                    break;
-                case PlacementType.TopRight:
-                    offsetX = targetWidth - width;
-                    offsetY = -popupOffset;
-                    placementMode = PlacementMode.Top;
-                    break;
-                case PlacementType.RightTop:
-                    offsetX = popupOffset;
-                    placementMode = PlacementMode.Right;
-                    break;
-                case PlacementType.Right:
-                    offsetX = popupOffset;
-                    offsetY = (targetHeight - height) / 2;
-                    placementMode = PlacementMode.Right;
-                    break;
-                case PlacementType.RightBottom:
-                    offsetX = popupOffset;
-                    offsetY = targetHeight - height;
-                    placementMode = PlacementMode.Right;
-                    break;
-                case PlacementType.BottomLeft:
-                    offsetY = popupOffset;
-                    placementMode = PlacementMode.Bottom;
-                    break;
-                case PlacementType.Bottom:
-                    offsetX = (targetWidth - width) / 2;
-                    offsetY = popupOffset;
-                    placementMode = PlacementMode.Bottom;
-                    break;
-                case PlacementType.BottomRight:
-                    offsetX = targetWidth - width;
-                    offsetY = popupOffset;
-                    placementMode = PlacementMode.Bottom;
-                    break;
-                default:
-                    throw new ArgumentOutOfRangeException();
-            }
-
-            _popup.HorizontalOffset = offsetX;
-            _popup.VerticalOffset = offsetY;
-            _popup.Placement = placementMode;
-        }
-
-        private void SwitchPoptip(bool isShow)
-        {
-            if (isShow)
-            {
-                if (!GetIsInstance(Target))
-                {
-                    SetCurrentValue(ContentProperty, GetContent(Target));
-                    SetCurrentValue(PlacementTypeProperty, GetPlacement(Target));
-                    SetCurrentValue(HitModeProperty, GetHitMode(Target));
-                    SetCurrentValue(OffsetProperty, GetOffset(Target));
-                    SetCurrentValue(IsOpenProperty, GetIsOpen(Target));
-                }
-
-                _popup.PlacementTarget = Target;
-                UpdateLocation();
-            }
-            _popup.IsOpen = isShow;
-            Target.SetCurrentValue(IsOpenProperty, isShow);
-        }
-
-        private void Element_MouseEnter(object sender, MouseEventArgs e)
-        {
-            var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
-            if (hitMode != HitMode.Hover) return;
-
-            SwitchPoptip(true);
-        }
-
-        private void Element_MouseLeave(object sender, MouseEventArgs e)
-        {
-            var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
-            if (hitMode != HitMode.Hover) return;
-
-            SwitchPoptip(false);
-        }
-
-        private void Element_GotFocus(object sender, RoutedEventArgs e)
-        {
-            var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
-            if (hitMode != HitMode.Focus) return;
-
-            SwitchPoptip(true);
-        }
-
-        private void Element_LostFocus(object sender, RoutedEventArgs e)
-        {
-            var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
-            if (hitMode != HitMode.Focus) return;
-
-            SwitchPoptip(false);
+            SetInstance(d, Default);
+            SetIsInstance(d, false);
         }
     }
+
+    public static void SetContent(DependencyObject element, object value)
+        => element.SetValue(ContentProperty, value);
+
+    public static object GetContent(DependencyObject element)
+        => element.GetValue(ContentProperty);
+
+    public object Content
+    {
+        get => GetValue(ContentProperty);
+        set => SetValue(ContentProperty, value);
+    }
+
+    public static readonly DependencyProperty ContentTemplateProperty = DependencyProperty.Register(
+        "ContentTemplate", typeof(DataTemplate), typeof(Poptip), new PropertyMetadata(default(DataTemplate)));
+
+    public DataTemplate ContentTemplate
+    {
+        get => (DataTemplate) GetValue(ContentTemplateProperty);
+        set => SetValue(ContentTemplateProperty, value);
+    }
+
+    public static readonly DependencyProperty ContentStringFormatProperty = DependencyProperty.Register(
+        "ContentStringFormat", typeof(string), typeof(Poptip), new PropertyMetadata(default(string)));
+
+    public string ContentStringFormat
+    {
+        get => (string) GetValue(ContentStringFormatProperty);
+        set => SetValue(ContentStringFormatProperty, value);
+    }
+
+    public static readonly DependencyProperty ContentTemplateSelectorProperty = DependencyProperty.Register(
+        "ContentTemplateSelector", typeof(DataTemplateSelector), typeof(Poptip), new PropertyMetadata(default(DataTemplateSelector)));
+
+    public DataTemplateSelector ContentTemplateSelector
+    {
+        get => (DataTemplateSelector) GetValue(ContentTemplateSelectorProperty);
+        set => SetValue(ContentTemplateSelectorProperty, value);
+    }
+
+    public static readonly DependencyProperty VerticalOffsetProperty = DependencyProperty.RegisterAttached(
+        "VerticalOffset", typeof(double), typeof(Poptip), new PropertyMetadata(ValueBoxes.Double0Box));
+
+    public static void SetVerticalOffset(DependencyObject element, double value)
+    {
+        element.SetValue(VerticalOffsetProperty, value);
+    }
+
+    public static double GetVerticalOffset(DependencyObject element)
+    {
+        return (double) element.GetValue(VerticalOffsetProperty);
+    }
+
+    public double VerticalOffset
+    {
+        get => (double) GetValue(VerticalOffsetProperty);
+        set => SetValue(VerticalOffsetProperty, value);
+    }
+
+    public static readonly DependencyProperty HorizontalOffsetProperty = DependencyProperty.RegisterAttached(
+        "HorizontalOffset", typeof(double), typeof(Poptip), new PropertyMetadata(ValueBoxes.Double0Box));
+
+    public static void SetHorizontalOffset(DependencyObject element, double value)
+    {
+        element.SetValue(HorizontalOffsetProperty, value);
+    }
+
+    public static double GetHorizontalOffset(DependencyObject element)
+    {
+        return (double) element.GetValue(HorizontalOffsetProperty);
+    }
+
+    public double HorizontalOffset
+    {
+        get => (double) GetValue(HorizontalOffsetProperty);
+        set => SetValue(HorizontalOffsetProperty, value);
+    }
+
+    public static readonly DependencyProperty PlacementTypeProperty = DependencyProperty.RegisterAttached(
+        "PlacementType", typeof(PlacementType), typeof(Poptip), new PropertyMetadata(PlacementType.Top));
+
+    public static void SetPlacement(DependencyObject element, PlacementType value)
+        => element.SetValue(PlacementTypeProperty, value);
+
+    public static PlacementType GetPlacement(DependencyObject element)
+        => (PlacementType) element.GetValue(PlacementTypeProperty);
+
+    public PlacementType PlacementType
+    {
+        get => (PlacementType) GetValue(PlacementTypeProperty);
+        set => SetValue(PlacementTypeProperty, value);
+    }
+
+    public static readonly DependencyProperty IsOpenProperty = DependencyProperty.RegisterAttached(
+        "IsOpen", typeof(bool), typeof(Poptip), new PropertyMetadata(ValueBoxes.FalseBox, OnIsOpenChanged));
+
+    private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is Poptip poptip)
+        {
+            poptip.SwitchPoptip((bool) e.NewValue);
+        }
+        else
+        {
+            ((Poptip) GetInstance(d))?.SwitchPoptip((bool) e.NewValue);
+        }
+    }
+
+    public static void SetIsOpen(DependencyObject element, bool value)
+        => element.SetValue(IsOpenProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetIsOpen(DependencyObject element)
+        => (bool) element.GetValue(IsOpenProperty);
+
+    public bool IsOpen
+    {
+        get => (bool) GetValue(IsOpenProperty);
+        set => SetValue(IsOpenProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static Poptip Default => new();
+
+    protected sealed override void OnTargetChanged(FrameworkElement element, bool isNew)
+    {
+        base.OnTargetChanged(element, isNew);
+
+        if (element == null) return;
+
+        if (!isNew)
+        {
+            element.MouseEnter -= Element_MouseEnter;
+            element.MouseLeave -= Element_MouseLeave;
+            element.GotFocus -= Element_GotFocus;
+            element.LostFocus -= Element_LostFocus;
+            ElementTarget = null;
+        }
+        else
+        {
+            element.MouseEnter += Element_MouseEnter;
+            element.MouseLeave += Element_MouseLeave;
+            element.GotFocus += Element_GotFocus;
+            element.LostFocus += Element_LostFocus;
+            ElementTarget = element;
+            _popup.PlacementTarget = ElementTarget;
+        }
+    }
+
+    protected override void Dispose() => SwitchPoptip(false);
+
+    private void UpdateLocation()
+    {
+        var targetWidth = Target.RenderSize.Width;
+        var targetHeight = Target.RenderSize.Height;
+
+        Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
+        var size = DesiredSize;
+
+        var width = size.Width;
+        var height = size.Height;
+
+        var offsetX = .0;
+        var offsetY = .0;
+
+        var poptip = (Poptip) GetInstance(Target);
+        var popupPlacement = poptip.PlacementType;
+        var popupOffsetX = poptip.HorizontalOffset;
+        var popupOffsetY = poptip.VerticalOffset;
+
+        switch (popupPlacement)
+        {
+            case PlacementType.LeftTop:
+                break;
+            case PlacementType.Left:
+                offsetY = -(height - targetHeight) * 0.5;
+                break;
+            case PlacementType.LeftBottom:
+                offsetY = -(height - targetHeight);
+                break;
+            case PlacementType.TopLeft:
+                offsetX = width;
+                offsetY = -height;
+                break;
+            case PlacementType.Top:
+                offsetX = (width + targetWidth) * 0.5;
+                offsetY = -height;
+                break;
+            case PlacementType.TopRight:
+                offsetX = targetWidth;
+                offsetY = -height;
+                break;
+            case PlacementType.RightTop:
+                offsetX = width + targetWidth;
+                break;
+            case PlacementType.Right:
+                offsetX = width + targetWidth;
+                offsetY = -(height - targetHeight) * 0.5;
+                break;
+            case PlacementType.RightBottom:
+                offsetX = width + targetWidth;
+                offsetY = -(height - targetHeight);
+                break;
+            case PlacementType.BottomLeft:
+                offsetX = width;
+                offsetY = targetHeight;
+                break;
+            case PlacementType.Bottom:
+                offsetX = (width + targetWidth) * 0.5;
+                offsetY = targetHeight;
+                break;
+            case PlacementType.BottomRight:
+                offsetX = targetWidth;
+                offsetY = targetHeight;
+                break;
+            default:
+                throw new ArgumentOutOfRangeException();
+        }
+
+        _popup.HorizontalOffset = offsetX + popupOffsetX;
+        _popup.VerticalOffset = offsetY + popupOffsetY;
+    }
+
+    private void SwitchPoptip(bool isShow)
+    {
+        if (isShow)
+        {
+            if (!GetIsInstance(Target))
+            {
+                SetCurrentValue(ContentProperty, GetContent(Target));
+                SetCurrentValue(PlacementTypeProperty, GetPlacement(Target));
+                SetCurrentValue(HitModeProperty, GetHitMode(Target));
+                SetCurrentValue(HorizontalOffsetProperty, GetHorizontalOffset(Target));
+                SetCurrentValue(VerticalOffsetProperty, GetVerticalOffset(Target));
+                SetCurrentValue(IsOpenProperty, GetIsOpen(Target));
+            }
+
+            _popup.PlacementTarget = Target;
+            UpdateLocation();
+        }
+        _popup.IsOpen = isShow;
+        Target.SetCurrentValue(IsOpenProperty, isShow);
+    }
+
+    private void Element_MouseEnter(object sender, MouseEventArgs e)
+    {
+        var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
+        if (hitMode != HitMode.Hover) return;
+
+        SwitchPoptip(true);
+    }
+
+    private void Element_MouseLeave(object sender, MouseEventArgs e)
+    {
+        var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
+        if (hitMode != HitMode.Hover) return;
+
+        SwitchPoptip(false);
+    }
+
+    private void Element_GotFocus(object sender, RoutedEventArgs e)
+    {
+        var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
+        if (hitMode != HitMode.Focus) return;
+
+        SwitchPoptip(true);
+    }
+
+    private void Element_LostFocus(object sender, RoutedEventArgs e)
+    {
+        var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
+        if (hitMode != HitMode.Focus) return;
+
+        SwitchPoptip(false);
+    }
 }

src/Shared/HandyControl_Shared/Controls/Other/ScrollViewer.cs

@@ -7,206 +7,205 @@ using System.Windows.Media.Animation;
 using HandyControl.Data;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class ScrollViewer : System.Windows.Controls.ScrollViewer
 {
-    public class ScrollViewer : System.Windows.Controls.ScrollViewer
+    private double _totalVerticalOffset;
+
+    private double _totalHorizontalOffset;
+
+    private bool _isRunning;
+
+    /// <summary>
+    ///     是否响应鼠标滚轮操作
+    /// </summary>
+    public static readonly DependencyProperty CanMouseWheelProperty = DependencyProperty.Register(
+        "CanMouseWheel", typeof(bool), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.TrueBox));
+
+    /// <summary>
+    ///     是否响应鼠标滚轮操作
+    /// </summary>
+    public bool CanMouseWheel
     {
-        private double _totalVerticalOffset;
+        get => (bool) GetValue(CanMouseWheelProperty);
+        set => SetValue(CanMouseWheelProperty, ValueBoxes.BooleanBox(value));
+    }
 
-        private double _totalHorizontalOffset;
+    protected override void OnMouseWheel(MouseWheelEventArgs e)
+    {
+        if (!CanMouseWheel) return;
 
-        private bool _isRunning;
-
-        /// <summary>
-        ///     是否响应鼠标滚轮操作
-        /// </summary>
-        public static readonly DependencyProperty CanMouseWheelProperty = DependencyProperty.Register(
-            "CanMouseWheel", typeof(bool), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.TrueBox));
-
-        /// <summary>
-        ///     是否响应鼠标滚轮操作
-        /// </summary>
-        public bool CanMouseWheel
+        if (!IsInertiaEnabled)
         {
-            get => (bool) GetValue(CanMouseWheelProperty);
-            set => SetValue(CanMouseWheelProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        protected override void OnMouseWheel(MouseWheelEventArgs e)
-        {
-            if (!CanMouseWheel) return;
-
-            if (!IsInertiaEnabled)
-            {
-                if (ScrollViewerAttach.GetOrientation(this) == Orientation.Vertical)
-                {
-                    base.OnMouseWheel(e);
-                }
-                else
-                {
-                    _totalHorizontalOffset = HorizontalOffset;
-                    CurrentHorizontalOffset = HorizontalOffset;
-                    _totalHorizontalOffset = Math.Min(Math.Max(0, _totalHorizontalOffset - e.Delta), ScrollableWidth);
-                    CurrentHorizontalOffset = _totalHorizontalOffset;
-                }
-                return;
-            }
-            e.Handled = true;
-
             if (ScrollViewerAttach.GetOrientation(this) == Orientation.Vertical)
             {
-                if (!_isRunning)
-                {
-                    _totalVerticalOffset = VerticalOffset;
-                    CurrentVerticalOffset = VerticalOffset;
-                }
-                _totalVerticalOffset = Math.Min(Math.Max(0, _totalVerticalOffset - e.Delta), ScrollableHeight);
-                ScrollToVerticalOffsetWithAnimation(_totalVerticalOffset);
+                base.OnMouseWheel(e);
             }
             else
             {
-                if (!_isRunning)
-                {
-                    _totalHorizontalOffset = HorizontalOffset;
-                    CurrentHorizontalOffset = HorizontalOffset;
-                }
+                _totalHorizontalOffset = HorizontalOffset;
+                CurrentHorizontalOffset = HorizontalOffset;
                 _totalHorizontalOffset = Math.Min(Math.Max(0, _totalHorizontalOffset - e.Delta), ScrollableWidth);
-                ScrollToHorizontalOffsetWithAnimation(_totalHorizontalOffset);
+                CurrentHorizontalOffset = _totalHorizontalOffset;
             }
+            return;
         }
+        e.Handled = true;
 
-        internal void ScrollToTopInternal(double milliseconds = 500)
+        if (ScrollViewerAttach.GetOrientation(this) == Orientation.Vertical)
         {
             if (!_isRunning)
             {
                 _totalVerticalOffset = VerticalOffset;
                 CurrentVerticalOffset = VerticalOffset;
             }
-            ScrollToVerticalOffsetWithAnimation(0, milliseconds);
+            _totalVerticalOffset = Math.Min(Math.Max(0, _totalVerticalOffset - e.Delta), ScrollableHeight);
+            ScrollToVerticalOffsetWithAnimation(_totalVerticalOffset);
         }
-
-        public void ScrollToVerticalOffsetWithAnimation(double offset, double milliseconds = 500)
+        else
         {
-            var animation = AnimationHelper.CreateAnimation(offset, milliseconds);
-            animation.EasingFunction = new CubicEase
+            if (!_isRunning)
             {
-                EasingMode = EasingMode.EaseOut
-            };
-            animation.FillBehavior = FillBehavior.Stop;
-            animation.Completed += (s, e1) =>
-            {
-                CurrentVerticalOffset = offset;
-                _isRunning = false;
-            };
-            _isRunning = true;
-
-            BeginAnimation(CurrentVerticalOffsetProperty, animation, HandoffBehavior.Compose);
-        }
-
-        public void ScrollToHorizontalOffsetWithAnimation(double offset, double milliseconds = 500)
-        {
-            var animation = AnimationHelper.CreateAnimation(offset, milliseconds);
-            animation.EasingFunction = new CubicEase
-            {
-                EasingMode = EasingMode.EaseOut
-            };
-            animation.FillBehavior = FillBehavior.Stop;
-            animation.Completed += (s, e1) =>
-            {
-                CurrentHorizontalOffset = offset;
-                _isRunning = false;
-            };
-            _isRunning = true;
-
-            BeginAnimation(CurrentHorizontalOffsetProperty, animation, HandoffBehavior.Compose);
-        }
-
-        protected override HitTestResult HitTestCore(PointHitTestParameters hitTestParameters) =>
-            IsPenetrating ? null : base.HitTestCore(hitTestParameters);
-
-        /// <summary>
-        ///     是否支持惯性
-        /// </summary>
-        public static readonly DependencyProperty IsInertiaEnabledProperty = DependencyProperty.RegisterAttached(
-            "IsInertiaEnabled", typeof(bool), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        public static void SetIsInertiaEnabled(DependencyObject element, bool value) => element.SetValue(IsInertiaEnabledProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetIsInertiaEnabled(DependencyObject element) => (bool) element.GetValue(IsInertiaEnabledProperty);
-
-        /// <summary>
-        ///     是否支持惯性
-        /// </summary>
-        public bool IsInertiaEnabled
-        {
-            get => (bool) GetValue(IsInertiaEnabledProperty);
-            set => SetValue(IsInertiaEnabledProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        /// <summary>
-        ///     控件是否可以穿透点击
-        /// </summary>
-        public static readonly DependencyProperty IsPenetratingProperty = DependencyProperty.RegisterAttached(
-            "IsPenetrating", typeof(bool), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.FalseBox));
-
-        /// <summary>
-        ///     控件是否可以穿透点击
-        /// </summary>
-        public bool IsPenetrating
-        {
-            get => (bool) GetValue(IsPenetratingProperty);
-            set => SetValue(IsPenetratingProperty, ValueBoxes.BooleanBox(value));
-        }
-
-        public static void SetIsPenetrating(DependencyObject element, bool value) => element.SetValue(IsPenetratingProperty, ValueBoxes.BooleanBox(value));
-
-        public static bool GetIsPenetrating(DependencyObject element) => (bool) element.GetValue(IsPenetratingProperty);
-
-        /// <summary>
-        ///     当前垂直滚动偏移
-        /// </summary>
-        internal static readonly DependencyProperty CurrentVerticalOffsetProperty = DependencyProperty.Register(
-            "CurrentVerticalOffset", typeof(double), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.Double0Box, OnCurrentVerticalOffsetChanged));
-
-        private static void OnCurrentVerticalOffsetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is ScrollViewer ctl && e.NewValue is double v)
-            {
-                ctl.ScrollToVerticalOffset(v);
+                _totalHorizontalOffset = HorizontalOffset;
+                CurrentHorizontalOffset = HorizontalOffset;
             }
-        }
-
-        /// <summary>
-        ///     当前垂直滚动偏移
-        /// </summary>
-        internal double CurrentVerticalOffset
-        {
-            // ReSharper disable once UnusedMember.Local
-            get => (double) GetValue(CurrentVerticalOffsetProperty);
-            set => SetValue(CurrentVerticalOffsetProperty, value);
-        }
-
-        /// <summary>
-        ///     当前水平滚动偏移
-        /// </summary>
-        internal static readonly DependencyProperty CurrentHorizontalOffsetProperty = DependencyProperty.Register(
-            "CurrentHorizontalOffset", typeof(double), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.Double0Box, OnCurrentHorizontalOffsetChanged));
-
-        private static void OnCurrentHorizontalOffsetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
-        {
-            if (d is ScrollViewer ctl && e.NewValue is double v)
-            {
-                ctl.ScrollToHorizontalOffset(v);
-            }
-        }
-
-        /// <summary>
-        ///     当前水平滚动偏移
-        /// </summary>
-        internal double CurrentHorizontalOffset
-        {
-            get => (double) GetValue(CurrentHorizontalOffsetProperty);
-            set => SetValue(CurrentHorizontalOffsetProperty, value);
+            _totalHorizontalOffset = Math.Min(Math.Max(0, _totalHorizontalOffset - e.Delta), ScrollableWidth);
+            ScrollToHorizontalOffsetWithAnimation(_totalHorizontalOffset);
         }
     }
+
+    internal void ScrollToTopInternal(double milliseconds = 500)
+    {
+        if (!_isRunning)
+        {
+            _totalVerticalOffset = VerticalOffset;
+            CurrentVerticalOffset = VerticalOffset;
+        }
+        ScrollToVerticalOffsetWithAnimation(0, milliseconds);
+    }
+
+    public void ScrollToVerticalOffsetWithAnimation(double offset, double milliseconds = 500)
+    {
+        var animation = AnimationHelper.CreateAnimation(offset, milliseconds);
+        animation.EasingFunction = new CubicEase
+        {
+            EasingMode = EasingMode.EaseOut
+        };
+        animation.FillBehavior = FillBehavior.Stop;
+        animation.Completed += (s, e1) =>
+        {
+            CurrentVerticalOffset = offset;
+            _isRunning = false;
+        };
+        _isRunning = true;
+
+        BeginAnimation(CurrentVerticalOffsetProperty, animation, HandoffBehavior.Compose);
+    }
+
+    public void ScrollToHorizontalOffsetWithAnimation(double offset, double milliseconds = 500)
+    {
+        var animation = AnimationHelper.CreateAnimation(offset, milliseconds);
+        animation.EasingFunction = new CubicEase
+        {
+            EasingMode = EasingMode.EaseOut
+        };
+        animation.FillBehavior = FillBehavior.Stop;
+        animation.Completed += (s, e1) =>
+        {
+            CurrentHorizontalOffset = offset;
+            _isRunning = false;
+        };
+        _isRunning = true;
+
+        BeginAnimation(CurrentHorizontalOffsetProperty, animation, HandoffBehavior.Compose);
+    }
+
+    protected override HitTestResult HitTestCore(PointHitTestParameters hitTestParameters) =>
+        IsPenetrating ? null : base.HitTestCore(hitTestParameters);
+
+    /// <summary>
+    ///     是否支持惯性
+    /// </summary>
+    public static readonly DependencyProperty IsInertiaEnabledProperty = DependencyProperty.RegisterAttached(
+        "IsInertiaEnabled", typeof(bool), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    public static void SetIsInertiaEnabled(DependencyObject element, bool value) => element.SetValue(IsInertiaEnabledProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetIsInertiaEnabled(DependencyObject element) => (bool) element.GetValue(IsInertiaEnabledProperty);
+
+    /// <summary>
+    ///     是否支持惯性
+    /// </summary>
+    public bool IsInertiaEnabled
+    {
+        get => (bool) GetValue(IsInertiaEnabledProperty);
+        set => SetValue(IsInertiaEnabledProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    /// <summary>
+    ///     控件是否可以穿透点击
+    /// </summary>
+    public static readonly DependencyProperty IsPenetratingProperty = DependencyProperty.RegisterAttached(
+        "IsPenetrating", typeof(bool), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.FalseBox));
+
+    /// <summary>
+    ///     控件是否可以穿透点击
+    /// </summary>
+    public bool IsPenetrating
+    {
+        get => (bool) GetValue(IsPenetratingProperty);
+        set => SetValue(IsPenetratingProperty, ValueBoxes.BooleanBox(value));
+    }
+
+    public static void SetIsPenetrating(DependencyObject element, bool value) => element.SetValue(IsPenetratingProperty, ValueBoxes.BooleanBox(value));
+
+    public static bool GetIsPenetrating(DependencyObject element) => (bool) element.GetValue(IsPenetratingProperty);
+
+    /// <summary>
+    ///     当前垂直滚动偏移
+    /// </summary>
+    internal static readonly DependencyProperty CurrentVerticalOffsetProperty = DependencyProperty.Register(
+        "CurrentVerticalOffset", typeof(double), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.Double0Box, OnCurrentVerticalOffsetChanged));
+
+    private static void OnCurrentVerticalOffsetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is ScrollViewer ctl && e.NewValue is double v)
+        {
+            ctl.ScrollToVerticalOffset(v);
+        }
+    }
+
+    /// <summary>
+    ///     当前垂直滚动偏移
+    /// </summary>
+    internal double CurrentVerticalOffset
+    {
+        // ReSharper disable once UnusedMember.Local
+        get => (double) GetValue(CurrentVerticalOffsetProperty);
+        set => SetValue(CurrentVerticalOffsetProperty, value);
+    }
+
+    /// <summary>
+    ///     当前水平滚动偏移
+    /// </summary>
+    internal static readonly DependencyProperty CurrentHorizontalOffsetProperty = DependencyProperty.Register(
+        "CurrentHorizontalOffset", typeof(double), typeof(ScrollViewer), new PropertyMetadata(ValueBoxes.Double0Box, OnCurrentHorizontalOffsetChanged));
+
+    private static void OnCurrentHorizontalOffsetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is ScrollViewer ctl && e.NewValue is double v)
+        {
+            ctl.ScrollToHorizontalOffset(v);
+        }
+    }
+
+    /// <summary>
+    ///     当前水平滚动偏移
+    /// </summary>
+    internal double CurrentHorizontalOffset
+    {
+        get => (double) GetValue(CurrentHorizontalOffsetProperty);
+        set => SetValue(CurrentHorizontalOffsetProperty, value);
+    }
 }

src/Shared/HandyControl_Shared/Controls/Other/Shield.cs

@@ -3,36 +3,35 @@ using System.Windows.Controls.Primitives;
 using System.Windows.Markup;
 using System.Windows.Media;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+[ContentProperty(nameof(Status))]
+public class Shield : ButtonBase
 {
-    [ContentProperty(nameof(Status))]
-    public class Shield : ButtonBase
+    public static readonly DependencyProperty SubjectProperty = DependencyProperty.Register(
+        "Subject", typeof(string), typeof(Shield), new PropertyMetadata(default(string)));
+
+    public string Subject
     {
-        public static readonly DependencyProperty SubjectProperty = DependencyProperty.Register(
-            "Subject", typeof(string), typeof(Shield), new PropertyMetadata(default(string)));
+        get => (string) GetValue(SubjectProperty);
+        set => SetValue(SubjectProperty, value);
+    }
 
-        public string Subject
-        {
-            get => (string) GetValue(SubjectProperty);
-            set => SetValue(SubjectProperty, value);
-        }
+    public static readonly DependencyProperty StatusProperty = DependencyProperty.Register(
+        "Status", typeof(object), typeof(Shield), new PropertyMetadata(default(object)));
 
-        public static readonly DependencyProperty StatusProperty = DependencyProperty.Register(
-            "Status", typeof(object), typeof(Shield), new PropertyMetadata(default(object)));
+    public object Status
+    {
+        get => GetValue(StatusProperty);
+        set => SetValue(StatusProperty, value);
+    }
 
-        public object Status
-        {
-            get => GetValue(StatusProperty);
-            set => SetValue(StatusProperty, value);
-        }
+    public static readonly DependencyProperty ColorProperty = DependencyProperty.Register(
+        "Color", typeof(Brush), typeof(Shield), new PropertyMetadata(default(Brush)));
 
-        public static readonly DependencyProperty ColorProperty = DependencyProperty.Register(
-            "Color", typeof(Brush), typeof(Shield), new PropertyMetadata(default(Brush)));
-
-        public Brush Color
-        {
-            get => (Brush) GetValue(ColorProperty);
-            set => SetValue(ColorProperty, value);
-        }
+    public Brush Color
+    {
+        get => (Brush) GetValue(ColorProperty);
+        set => SetValue(ColorProperty, value);
     }
 }

src/Shared/HandyControl_Shared/Controls/Other/Sprite.cs

@@ -1,29 +1,28 @@
 using System.Windows;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public sealed class Sprite : System.Windows.Window
 {
-    public sealed class Sprite : System.Windows.Window
+    private Sprite()
     {
-        private Sprite()
+        WindowStyle = WindowStyle.None;
+        AllowsTransparency = true;
+    }
+
+    public static Sprite Show(object content)
+    {
+        var sprite = new Sprite
         {
-            WindowStyle = WindowStyle.None;
-            AllowsTransparency = true;
-        }
+            Content = content
+        };
 
-        public static Sprite Show(object content)
-        {
-            var sprite = new Sprite
-            {
-                Content = content
-            };
+        sprite.Show();
 
-            sprite.Show();
+        var desktopWorkingArea = SystemParameters.WorkArea;
+        sprite.Left = desktopWorkingArea.Width - sprite.ActualWidth - 50;
+        sprite.Top = 50 - sprite.Padding.Top;
 
-            var desktopWorkingArea = SystemParameters.WorkArea;
-            sprite.Left = desktopWorkingArea.Width - sprite.ActualWidth - 50;
-            sprite.Top = 50 - sprite.Padding.Top;
-
-            return sprite;
-        }
+        return sprite;
     }
 }

src/Shared/HandyControl_Shared/Controls/Other/TransitioningContentControl.cs

@@ -5,103 +5,103 @@ using System.Windows.Media.Animation;
 using HandyControl.Data;
 using HandyControl.Tools;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class TransitioningContentControl : ContentControl
 {
-    public class TransitioningContentControl : ContentControl
+    private FrameworkElement _contentPresenter;
+
+    private static Storyboard StoryboardBuildInDefault;
+
+    private Storyboard _storyboardBuildIn;
+
+    public TransitioningContentControl()
     {
-        private FrameworkElement _contentPresenter;
+        Loaded += TransitioningContentControl_Loaded;
+        Unloaded += TransitioningContentControl_Unloaded;
+    }
 
-        private static Storyboard StoryboardBuildInDefault;
+    public static readonly DependencyProperty TransitionModeProperty = DependencyProperty.Register(
+        "TransitionMode", typeof(TransitionMode), typeof(TransitioningContentControl), new PropertyMetadata(default(TransitionMode), OnTransitionModeChanged));
 
-        private Storyboard _storyboardBuildIn;
+    private static void OnTransitionModeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        var ctl = (TransitioningContentControl) d;
+        ctl.OnTransitionModeChanged((TransitionMode) e.NewValue);
+    }
 
-        public TransitioningContentControl()
+    private void OnTransitionModeChanged(TransitionMode newValue)
+    {
+        _storyboardBuildIn = ResourceHelper.GetResourceInternal<Storyboard>($"{newValue}Transition");
+        StartTransition();
+    }
+
+    public TransitionMode TransitionMode
+    {
+        get => (TransitionMode) GetValue(TransitionModeProperty);
+        set => SetValue(TransitionModeProperty, value);
+    }
+
+    public static readonly DependencyProperty TransitionStoryboardProperty = DependencyProperty.Register(
+        "TransitionStoryboard", typeof(Storyboard), typeof(TransitioningContentControl), new PropertyMetadata(default(Storyboard)));
+
+    public Storyboard TransitionStoryboard
+    {
+        get => (Storyboard) GetValue(TransitionStoryboardProperty);
+        set => SetValue(TransitionStoryboardProperty, value);
+    }
+
+    private void TransitioningContentControl_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e) => StartTransition();
+
+    private void TransitioningContentControl_Loaded(object sender, RoutedEventArgs e)
+    {
+        IsVisibleChanged += TransitioningContentControl_IsVisibleChanged;
+    }
+
+    private void TransitioningContentControl_Unloaded(object sender, RoutedEventArgs e)
+    {
+        IsVisibleChanged -= TransitioningContentControl_IsVisibleChanged;
+    }
+
+    private void StartTransition()
+    {
+        if (_contentPresenter == null || !IsVisible) return;
+
+        if (TransitionStoryboard != null)
         {
-            Loaded += TransitioningContentControl_Loaded;
-            Unloaded += TransitioningContentControl_Unloaded;
+            TransitionStoryboard.Begin(_contentPresenter);
         }
-
-        public static readonly DependencyProperty TransitionModeProperty = DependencyProperty.Register(
-            "TransitionMode", typeof(TransitionMode), typeof(TransitioningContentControl), new PropertyMetadata(default(TransitionMode), OnTransitionModeChanged));
-
-        private static void OnTransitionModeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        else if (_storyboardBuildIn != null)
         {
-            var ctl = (TransitioningContentControl) d;
-            ctl.OnTransitionModeChanged((TransitionMode) e.NewValue);
+            _storyboardBuildIn?.Begin(_contentPresenter);
         }
-
-        private void OnTransitionModeChanged(TransitionMode newValue)
+        else
         {
-            _storyboardBuildIn = ResourceHelper.GetResourceInternal<Storyboard>($"{newValue}Transition");
-            StartTransition();
-        }
-
-        public TransitionMode TransitionMode
-        {
-            get => (TransitionMode) GetValue(TransitionModeProperty);
-            set => SetValue(TransitionModeProperty, value);
-        }
-
-        public static readonly DependencyProperty TransitionStoryboardProperty = DependencyProperty.Register(
-            "TransitionStoryboard", typeof(Storyboard), typeof(TransitioningContentControl), new PropertyMetadata(default(Storyboard)));
-
-        public Storyboard TransitionStoryboard
-        {
-            get => (Storyboard) GetValue(TransitionStoryboardProperty);
-            set => SetValue(TransitionStoryboardProperty, value);
-        }
-
-        private void TransitioningContentControl_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e) => StartTransition();
-
-        private void TransitioningContentControl_Loaded(object sender, RoutedEventArgs e)
-        {
-            StartTransition();
-            IsVisibleChanged += TransitioningContentControl_IsVisibleChanged;
-        }
-
-        private void TransitioningContentControl_Unloaded(object sender, RoutedEventArgs e)
-        {
-            IsVisibleChanged -= TransitioningContentControl_IsVisibleChanged;
-        }
-
-        private void StartTransition()
-        {
-            if (!IsArrangeValid || _contentPresenter == null) return;
-
-            if (TransitionStoryboard != null)
-            {
-                TransitionStoryboard.Begin(_contentPresenter);
-            }
-            else if (_storyboardBuildIn != null)
-            {
-                _storyboardBuildIn?.Begin(_contentPresenter);
-            }
-            else
-            {
-                StoryboardBuildInDefault ??= ResourceHelper.GetResourceInternal<Storyboard>($"{default(TransitionMode)}Transition");
-                StoryboardBuildInDefault?.Begin(_contentPresenter);
-            }
-        }
-
-        public override void OnApplyTemplate()
-        {
-            base.OnApplyTemplate();
-
-            _contentPresenter = VisualTreeHelper.GetChild(this, 0) as FrameworkElement;
-            if (_contentPresenter != null)
-            {
-                _contentPresenter.RenderTransformOrigin = new Point(0.5, 0.5);
-                _contentPresenter.RenderTransform = new TransformGroup
-                {
-                    Children =
-                    {
-                        new ScaleTransform(),
-                        new SkewTransform(),
-                        new RotateTransform(),
-                        new TranslateTransform()
-                    }
-                };
-            }
+            StoryboardBuildInDefault ??= ResourceHelper.GetResourceInternal<Storyboard>($"{default(TransitionMode)}Transition");
+            StoryboardBuildInDefault?.Begin(_contentPresenter);
         }
     }
+
+    public override void OnApplyTemplate()
+    {
+        base.OnApplyTemplate();
+
+        _contentPresenter = VisualTreeHelper.GetChild(this, 0) as FrameworkElement;
+        if (_contentPresenter != null)
+        {
+            _contentPresenter.RenderTransformOrigin = new Point(0.5, 0.5);
+            _contentPresenter.RenderTransform = new TransformGroup
+            {
+                Children =
+                {
+                    new ScaleTransform(),
+                    new SkewTransform(),
+                    new RotateTransform(),
+                    new TranslateTransform()
+                }
+            };
+        }
+
+        StartTransition();
+    }
 }