chore: use file-scoped namespace

src/Shared/HandyControl_Shared/Controls/Transfer/TransferGroup.cs

@@ -1,65 +1,64 @@
 using System.Collections.Specialized;
 using System.Windows;
 
-namespace HandyControl.Controls
+namespace HandyControl.Controls;
+
+public class TransferGroup : SimpleItemsControl
 {
-    public class TransferGroup : SimpleItemsControl
+    protected override void Refresh()
     {
-        protected override void Refresh()
+        if (Items.Count > 0)
         {
-            if (Items.Count > 0)
+            foreach (FrameworkElement item in Items)
             {
-                foreach (FrameworkElement item in Items)
-                {
-                    item.Style = ItemContainerStyle;
-                    ItemsHost.Children.Add(item);
-                }
-            }
-        }
-
-        protected override void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e)
-        {
-
-        }
-
-        protected override void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e)
-        {
-
-        }
-
-        protected override DependencyObject GetContainerForItemOverride() => new TransferItem();
-
-        protected override bool IsItemItsOwnContainerOverride(object item) => item is TransferItem;
-
-        protected override void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
-        {
-            if (ItemsHost == null) return;
-
-            switch (e.Action)
-            {
-                case NotifyCollectionChangedAction.Add:
-                    if (e.NewItems != null)
-                    {
-                        if (e.NewItems[0] is FrameworkElement item)
-                        {
-                            item.Style = ItemContainerStyle;
-                            ItemsHost.Children.Insert(e.NewStartingIndex, item);
-                        }
-                    }
-                    break;
-                case NotifyCollectionChangedAction.Remove:
-                    if (e.OldItems != null)
-                    {
-                        foreach (FrameworkElement item in e.OldItems)
-                        {
-                            ItemsHost.Children.Remove(item);
-                        }
-                    }
-                    break;
-                case NotifyCollectionChangedAction.Reset:
-                    ItemsHost.Children.Clear();
-                    break;
+                item.Style = ItemContainerStyle;
+                ItemsHost.Children.Add(item);
             }
         }
     }
-}
+
+    protected override void OnItemTemplateChanged(DependencyPropertyChangedEventArgs e)
+    {
+
+    }
+
+    protected override void OnItemContainerStyleChanged(DependencyPropertyChangedEventArgs e)
+    {
+
+    }
+
+    protected override DependencyObject GetContainerForItemOverride() => new TransferItem();
+
+    protected override bool IsItemItsOwnContainerOverride(object item) => item is TransferItem;
+
+    protected override void OnItemsChanged(object sender, NotifyCollectionChangedEventArgs e)
+    {
+        if (ItemsHost == null) return;
+
+        switch (e.Action)
+        {
+            case NotifyCollectionChangedAction.Add:
+                if (e.NewItems != null)
+                {
+                    if (e.NewItems[0] is FrameworkElement item)
+                    {
+                        item.Style = ItemContainerStyle;
+                        ItemsHost.Children.Insert(e.NewStartingIndex, item);
+                    }
+                }
+                break;
+            case NotifyCollectionChangedAction.Remove:
+                if (e.OldItems != null)
+                {
+                    foreach (FrameworkElement item in e.OldItems)
+                    {
+                        ItemsHost.Children.Remove(item);
+                    }
+                }
+                break;
+            case NotifyCollectionChangedAction.Reset:
+                ItemsHost.Children.Clear();
+                break;
+        }
+    }
+}