Merge branch 'master' into patch-5

src/Shared/HandyControlDemo_Shared/MainWindow.xaml.cs

@@ -26,8 +26,8 @@ namespace HandyControlDemo
 
             GlobalShortcut.Init(new List<KeyBinding>
             {
-                new KeyBinding(ViewModelLocator.Instance.Main.GlobalShortcutInfoCmd, Key.I, ModifierKeys.Control | ModifierKeys.Alt),
-                new KeyBinding(ViewModelLocator.Instance.Main.GlobalShortcutWarningCmd, Key.E, ModifierKeys.Control | ModifierKeys.Alt)
+                new(ViewModelLocator.Instance.Main.GlobalShortcutInfoCmd, Key.I, ModifierKeys.Control | ModifierKeys.Alt),
+                new(ViewModelLocator.Instance.Main.GlobalShortcutWarningCmd, Key.E, ModifierKeys.Control | ModifierKeys.Alt)
             });
 
             Dialog.SetToken(this, MessageToken.MainWindow);

src/Shared/HandyControlDemo_Shared/Properties/Langs/Lang.pl.resx

@@ -517,7 +517,7 @@
     <value>TextDialog</value>
   </data>
   <data name="PleaseWait" xml:space="preserve">
-    <value>Proszę czekać</value>
+    <value>Proszę czekać...</value>
   </data>
   <data name="GrowlDemo" xml:space="preserve">
     <value>Growl demo</value>
@@ -792,4 +792,7 @@
   <data name="Success" xml:space="preserve">
     <value>Success</value>
   </data>
+  <data name="Empty" xml:space="preserve">
+    <value>Empty</value>
+  </data>
 </root>

src/Shared/HandyControlDemo_Shared/Properties/Langs/LangProvider.cs

@@ -8,7 +8,7 @@ namespace HandyControlDemo.Properties.Langs
 {
     public class LangProvider : INotifyPropertyChanged
     {
-        internal static LangProvider Instance => ResourceHelper.GetResource<LangProvider>("DemoLangs");
+        internal static LangProvider Instance { get; } = ResourceHelper.GetResource<LangProvider>("DemoLangs");
 
         private static string CultureInfoStr;
 

src/Shared/HandyControlDemo_Shared/Properties/Langs/LangProvider.tt

@@ -27,7 +27,7 @@ namespace HandyControlDemo.Properties.Langs
 {
     public class LangProvider : INotifyPropertyChanged
     {
-        internal static LangProvider Instance => ResourceHelper.GetResource<LangProvider>("DemoLangs");
+        internal static LangProvider Instance { get; } = ResourceHelper.GetResource<LangProvider>("DemoLangs");
 
         private static string CultureInfoStr;
 
@@ -81,4 +81,4 @@ namespace HandyControlDemo.Properties.Langs
 
 <#}#>
     }
-}
+}

src/Shared/HandyControlDemo_Shared/Resources/DemoTheme.cs

@@ -11,7 +11,7 @@ namespace HandyControlDemo.Resources
         public override ResourceDictionary GetSkin(SkinType skinType) =>
             ResourceHelper.GetSkin(typeof(App).Assembly, "Resources/Themes", skinType);
 
-        public override ResourceDictionary GetTheme() => new ResourceDictionary
+        public override ResourceDictionary GetTheme() => new()
         {
             Source = new Uri("pack://application:,,,/HandyControlDemo;component/Resources/Themes/Theme.xaml")
         };

src/Shared/HandyControlDemo_Shared/Service/Data/DataService.cs

@@ -18,7 +18,7 @@ namespace HandyControlDemo.Service
     {
         internal ObservableCollection<TabControlDemoModel> GetTabControlDemoDataList()
         {
-            return new ObservableCollection<TabControlDemoModel>
+            return new()
             {
                 new TabControlDemoModel
                 {
@@ -139,7 +139,7 @@ namespace HandyControlDemo.Service
 
         internal List<AvatarModel> GetBlogDataList()
         {
-            return new List<AvatarModel>
+            return new()
             {
                 new AvatarModel
                 {
@@ -170,7 +170,7 @@ namespace HandyControlDemo.Service
 
         internal List<AvatarModel> GetProjectDataList()
         {
-            return new List<AvatarModel>
+            return new()
             {
                 new AvatarModel
                 {
@@ -195,7 +195,7 @@ namespace HandyControlDemo.Service
 
         internal List<AvatarModel> GetWebsiteDataList()
         {
-            return new List<AvatarModel>
+            return new()
             {
                 new AvatarModel
                 {
@@ -208,7 +208,7 @@ namespace HandyControlDemo.Service
 
         internal ObservableCollection<CardModel> GetCardDataList()
         {
-            return new ObservableCollection<CardModel>
+            return new()
             {
                 new CardModel
                 {
@@ -275,7 +275,7 @@ namespace HandyControlDemo.Service
 
         internal CardModel GetCardData()
         {
-            return new CardModel
+            return new()
             {
                 Content = $"/HandyControlDemo;component/Resources/Img/Album/{DateTime.Now.Second % 10 + 1}.jpg"
             };
@@ -283,7 +283,7 @@ namespace HandyControlDemo.Service
 
         internal List<StepBarDemoModel> GetStepBarDemoDataList()
         {
-            return new List<StepBarDemoModel>
+            return new()
             {
                 new StepBarDemoModel
                 {
@@ -310,7 +310,7 @@ namespace HandyControlDemo.Service
 
         internal ObservableCollection<CoverViewDemoModel> GetCoverViewDemoDataList()
         {
-            return new ObservableCollection<CoverViewDemoModel>
+            return new()
             {
                 new CoverViewDemoModel
                 {

src/Shared/HandyControlDemo_Shared/Tools/Converter/HatchBrushConverter.cs

@@ -20,7 +20,7 @@ namespace HandyControlDemo.Tools.Converter
         {
             if (value is HatchStyle style)
             {
-                return _brushGenerator.GetHatchBrush(style, ResourceHelper.GetResource<Color>(ResourceToken.DarkPrimaryColor), ResourceHelper.GetResource<Color>(ResourceToken.BackgroundColor));
+                return _brushGenerator.GetHatchBrush(style, ResourceHelper.GetResource<Color>(ResourceToken.DarkPrimaryColor), Colors.Transparent);
             }
             return Brushes.Transparent;
         }

src/Shared/HandyControlDemo_Shared/Tools/Helper/AssemblyHelper.cs

@@ -7,7 +7,7 @@ namespace HandyControlDemo.Tools
     {
         private static readonly string NameSpaceStr = typeof(AssemblyHelper).Assembly.GetName().Name;
 
-        private static readonly Dictionary<string, object> CacheDic = new Dictionary<string, object>();
+        private static readonly Dictionary<string, object> CacheDic = new();
 
         public static void Register(string name, object instance) => CacheDic[name] = instance;
 

src/Shared/HandyControlDemo_Shared/UserControl/Controls/ScrollViewerDemoCtl.xaml

@@ -45,7 +45,7 @@
                 </hc:ScrollViewer>
             </Border>
             <Border Grid.Row="1" BorderThickness="1" BorderBrush="{DynamicResource BorderBrush}" Margin="0,16,0,0">
-                <hc:ScrollViewer IsInertiaEnabled="True">
+                <hc:ScrollViewer IsInertiaEnabled="True" hc:ScrollViewerAttach.AutoHide="False">
                     <WrapPanel Orientation="Horizontal">
                         <Border Style="{StaticResource BorderRegion}" Width="200" Height="200" Margin="10,10,32,10">
                             <Border Background="{DynamicResource PrimaryBrush}">

src/Shared/HandyControlDemo_Shared/UserControl/Controls/SplitButtonDemoCtl.xaml

@@ -4,7 +4,6 @@
              xmlns:hc="https://handyorg.github.io/handycontrol"
              xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
              xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
-             xmlns:userControl="clr-namespace:HandyControlDemo.UserControl"
              DataContext="{Binding SplitButtonDemo,Source={StaticResource Locator}}">
     <hc:TransitioningContentControl>
         <StackPanel Margin="32" VerticalAlignment="Center">

src/Shared/HandyControlDemo_Shared/UserControl/Main/MainContent.xaml.cs

@@ -67,17 +67,17 @@ namespace HandyControlDemo.UserControl
                 var textEditorCustomStyle = ResourceHelper.GetResource<Style>("TextEditorCustom");
                 _textEditor = new Dictionary<string, TextEditor>
                 {
-                    ["XAML"] = new TextEditor
+                    ["XAML"] = new()
                     {
                         Style = textEditorCustomStyle,
                         SyntaxHighlighting = HighlightingManager.Instance.GetDefinition("XML")
                     },
-                    ["C#"] = new TextEditor
+                    ["C#"] = new()
                     {
                         Style = textEditorCustomStyle,
                         SyntaxHighlighting = HighlightingManager.Instance.GetDefinition("C#")
                     },
-                    ["VM"] = new TextEditor
+                    ["VM"] = new()
                     {
                         Style = textEditorCustomStyle,
                         SyntaxHighlighting = HighlightingManager.Instance.GetDefinition("C#")

src/Shared/HandyControlDemo_Shared/UserControl/Main/MainWindowContent.xaml

@@ -1,5 +1,4 @@
 <Border xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
-        xmlns:hc="https://handyorg.github.io/handycontrol"
         BorderThickness="0,1,0,0" 
         BorderBrush="{DynamicResource BorderBrush}" 
         Background="{StaticResource CloudDrawingBrush}"
@@ -14,8 +13,5 @@
         <userControl:LeftMainContent/>
         <userControl:MainContent Grid.Column="1"/>
         <GridSplitter Margin="0,26,0,26" Grid.Column="0" HorizontalAlignment="Right" Width="4" Background="Transparent"/>
-        <hc:ScrollViewer Grid.Column="1" VerticalScrollBarVisibility="Hidden" HorizontalAlignment="Right" IsInertiaEnabled="True" IsPenetrating="True">
-            <StackPanel hc:Growl.GrowlParent="True" VerticalAlignment="Top" Margin="0,10,10,10"/>
-        </hc:ScrollViewer>
     </Grid>
-</Border>
+</Border>

src/Shared/HandyControlDemo_Shared/UserControl/Main/NonClientAreaContent.xaml

@@ -24,7 +24,7 @@
                         <Path Data="{StaticResource NugetGeometry}" Fill="#30a5dd" Stretch="Uniform"/>
                     </MenuItem.Icon>
                 </MenuItem>
-                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://marketplace.visualstudio.com/items?itemName=HandyOrg.handycontrolforvs2019" Header="{ex:Lang Key={x:Static langs:LangKeys.Vsix}}">
+                <MenuItem Command="hc:ControlCommands.OpenLink" CommandParameter="https://marketplace.visualstudio.com/items?itemName=HandyOrg.HandyControl" Header="{ex:Lang Key={x:Static langs:LangKeys.Vsix}}">
                     <MenuItem.Icon>
                         <Path Data="{StaticResource VisualStudioGeometry}" Fill="{DynamicResource PrimaryTextBrush}" Stretch="Uniform"/>
                     </MenuItem.Icon>

src/Shared/HandyControlDemo_Shared/UserControl/Styles/GeometryDemoCtl.xaml.cs

@@ -10,13 +10,13 @@ namespace HandyControlDemo.UserControl
 {
     public partial class GeometryDemoCtl
     {
-        private readonly HashSet<string> _lineSet = new HashSet<string>
+        private readonly HashSet<string> _lineSet = new()
         {
             "CheckedGeometry"
         };
 
         public ObservableCollection<GeometryItemModel> GeometryItems { get; set; } =
-            new ObservableCollection<GeometryItemModel>();
+            new();
 
         public GeometryDemoCtl()
         {

src/Shared/HandyControlDemo_Shared/UserControl/Styles/TextBlockDemoCtl.xaml

@@ -43,7 +43,7 @@
                 <TextBlock HorizontalAlignment="Left" Margin="5" Text="{ex:Lang Key={x:Static langs:LangKeys.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultDanger}"/>
                 <TextBlock HorizontalAlignment="Left" Margin="5" Text="{ex:Lang Key={x:Static langs:LangKeys.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultWarning}"/>
                 <TextBlock HorizontalAlignment="Left" Margin="5" Text="{ex:Lang Key={x:Static langs:LangKeys.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultInfo}"/>
-                <TextBlock hc:TextBlockAttach.AutoTooltip="True" Width="300" HorizontalAlignment="Left" Margin="5" Text="{ex:Lang Key={x:Static langs:LangKeys.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultSuccess}"/>
+                <TextBlock hc:TextBlockAttach.AutoTooltip="True" TextTrimming="CharacterEllipsis" Width="300" HorizontalAlignment="Left" Margin="5" Text="{ex:Lang Key={x:Static langs:LangKeys.Text},Converter={StaticResource StringRepeatConverter},ConverterParameter=20}" Style="{StaticResource TextBlockDefaultSuccess}"/>
             </StackPanel>
         </StackPanel>
     </hc:TransitioningContentControl>

src/Shared/HandyControlDemo_Shared/ViewModel/Basic/ChatBoxViewModel.cs

@@ -24,7 +24,7 @@ namespace HandyControlDemo.ViewModel
 
         private readonly string _id = Guid.NewGuid().ToString();
 
-        private readonly Stopwatch _stopwatch = new Lazy<Stopwatch>(() => new Stopwatch()).Value;
+        private readonly Stopwatch _stopwatch = new();
 
         public ChatBoxViewModel()
         {
@@ -50,10 +50,9 @@ namespace HandyControlDemo.ViewModel
 #endif
         }
 
-        public ObservableCollection<ChatInfoModel> ChatInfos { get; set; } = new ObservableCollection<ChatInfoModel>();
+        public ObservableCollection<ChatInfoModel> ChatInfos { get; set; } = new();
 
-        public RelayCommand<KeyEventArgs> SendStringCmd => new Lazy<RelayCommand<KeyEventArgs>>(() =>
-            new RelayCommand<KeyEventArgs>(SendString)).Value;
+        public RelayCommand<KeyEventArgs> SendStringCmd => new(SendString);
 
         private void SendString(KeyEventArgs e)
         {
@@ -73,12 +72,11 @@ namespace HandyControlDemo.ViewModel
             }
         }
 
-        public RelayCommand<RoutedEventArgs> ReadMessageCmd => new Lazy<RelayCommand<RoutedEventArgs>>(() =>
-            new RelayCommand<RoutedEventArgs>(ReadMessage)).Value;
+        public RelayCommand<RoutedEventArgs> ReadMessageCmd => new(ReadMessage);
 
         private void ReadMessage(RoutedEventArgs e)
         {
-            if (e.OriginalSource is FrameworkElement element && element.Tag is ChatInfoModel info)
+            if (e.OriginalSource is FrameworkElement { Tag: ChatInfoModel info })
             {
                 if (info.Type == ChatMessageType.Image)
                 {
@@ -95,8 +93,7 @@ namespace HandyControlDemo.ViewModel
             }
         }
 
-        public RelayCommand StartRecordCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(StartRecord)).Value;
+        public RelayCommand StartRecordCmd => new(StartRecord);
 
         private void StartRecord()
         {
@@ -111,8 +108,7 @@ namespace HandyControlDemo.ViewModel
             _stopwatch.Start();
         }
 
-        public RelayCommand StopRecordCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(StopRecord)).Value;
+        public RelayCommand StopRecordCmd => new(StopRecord);
 
         private void StopRecord()
         {
@@ -149,8 +145,7 @@ namespace HandyControlDemo.ViewModel
             Messenger.Default.Send(info, MessageToken.SendChatMessage);
         }
 
-        public RelayCommand OpenImageCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(OpenImage)).Value;
+        public RelayCommand OpenImageCmd => new(OpenImage);
 
         private void OpenImage()
         {

src/Shared/HandyControlDemo_Shared/ViewModel/Basic/InteractiveDialogViewModel.cs

@@ -33,6 +33,6 @@ namespace HandyControlDemo.ViewModel
 #endif
         }
 
-        public RelayCommand CloseCmd => new Lazy<RelayCommand>(() => new RelayCommand(() => CloseAction?.Invoke())).Value;
+        public RelayCommand CloseCmd => new(() => CloseAction?.Invoke());
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/BadgeDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 
 namespace HandyControlDemo.ViewModel
@@ -18,7 +17,6 @@ namespace HandyControlDemo.ViewModel
 #endif
         }
 
-        public RelayCommand CountCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Count++)).Value;
+        public RelayCommand CountCmd => new(() => Count++);
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/CardDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Command;
 using HandyControlDemo.Data;
 using HandyControlDemo.Service;
 
@@ -15,16 +14,14 @@ namespace HandyControlDemo.ViewModel
             DataList = dataService.GetCardDataList();
         }
 
-        public RelayCommand AddItemCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => DataList.Insert(0, _dataService.GetCardData()))).Value;
+        public RelayCommand AddItemCmd => new(() => DataList.Insert(0, _dataService.GetCardData()));
 
-        public RelayCommand RemoveItemCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() =>
+        public RelayCommand RemoveItemCmd => new(() =>
+        {
+            if (DataList.Count > 0)
             {
-                if (DataList.Count > 0)
-                {
-                    DataList.RemoveAt(0);
-                }
-            })).Value;
+                DataList.RemoveAt(0);
+            }
+        });
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/DialogDemoViewModel.cs

@@ -27,8 +27,7 @@ namespace HandyControlDemo.ViewModel
 #endif
         }
 
-        public RelayCommand<FrameworkElement> ShowTextCmd => new Lazy<RelayCommand<FrameworkElement>>(() =>
-            new RelayCommand<FrameworkElement>(ShowText)).Value;
+        public RelayCommand<FrameworkElement> ShowTextCmd => new(ShowText);
 
         private void ShowText(FrameworkElement element)
         {
@@ -43,8 +42,7 @@ namespace HandyControlDemo.ViewModel
         }
 
 #if NET40
-        public RelayCommand<bool> ShowInteractiveDialogCmd => new Lazy<RelayCommand<bool>>(() =>
-            new RelayCommand<bool>(ShowInteractiveDialog)).Value;
+        public RelayCommand<bool> ShowInteractiveDialogCmd => new(ShowInteractiveDialog);
 
         private void ShowInteractiveDialog(bool withTimer)
         {
@@ -60,8 +58,7 @@ namespace HandyControlDemo.ViewModel
             }
         }
 #else
-        public RelayCommand<bool> ShowInteractiveDialogCmd => new Lazy<RelayCommand<bool>>(() =>
-            new RelayCommand<bool>(async withTimer => await ShowInteractiveDialog(withTimer))).Value;
+        public RelayCommand<bool> ShowInteractiveDialogCmd => new(async withTimer => await ShowInteractiveDialog(withTimer));
 
         private async Task ShowInteractiveDialog(bool withTimer)
         {
@@ -78,13 +75,11 @@ namespace HandyControlDemo.ViewModel
         }
 #endif
 
-        public RelayCommand NewWindowCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => new DialogDemoWindow
-            {
-                Owner = Application.Current.MainWindow
-            }.Show())).Value;
+        public RelayCommand NewWindowCmd => new(() => new DialogDemoWindow
+        {
+            Owner = Application.Current.MainWindow
+        }.Show());
 
-        public RelayCommand<string> ShowWithTokenCmd => new Lazy<RelayCommand<string>>(() =>
-            new RelayCommand<string>(token => Dialog.Show(new TextDialog(), token))).Value;
+        public RelayCommand<string> ShowWithTokenCmd => new(token => Dialog.Show(new TextDialog(), token));
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/GrowlDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Windows;
+using System.Windows;
 using GalaSoft.MvvmLight.Command;
 using HandyControl.Controls;
 using HandyControl.Data;
@@ -23,94 +22,79 @@ namespace HandyControlDemo.ViewModel
 
         #region Window
 
-        public RelayCommand InfoCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.Info(Properties.Langs.Lang.GrowlInfo, _token))).Value;
+        public RelayCommand InfoCmd => new(() => Growl.Info(Properties.Langs.Lang.GrowlInfo, _token));
 
-        public RelayCommand SuccessCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.Success(Properties.Langs.Lang.GrowlSuccess, _token))).Value;
+        public RelayCommand SuccessCmd => new(() => Growl.Success(Properties.Langs.Lang.GrowlSuccess, _token));
 
-        public RelayCommand WarningCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.Warning(new GrowlInfo
-            {
-                Message = Properties.Langs.Lang.GrowlWarning,
-                CancelStr = Properties.Langs.Lang.Ignore,
-                ActionBeforeClose = isConfirmed =>
-                {
-                    Growl.Info(isConfirmed.ToString());
-                    return true;
-                },
-                Token = _token
-            }))).Value;
-
-        public RelayCommand ErrorCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.Error(Properties.Langs.Lang.GrowlError, _token))).Value;
-
-        public RelayCommand AskCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.Ask(Properties.Langs.Lang.GrowlAsk, isConfirmed =>
+        public RelayCommand WarningCmd => new(() => Growl.Warning(new GrowlInfo
+        {
+            Message = Properties.Langs.Lang.GrowlWarning,
+            CancelStr = Properties.Langs.Lang.Ignore,
+            ActionBeforeClose = isConfirmed =>
             {
                 Growl.Info(isConfirmed.ToString());
                 return true;
-            }, _token))).Value;
+            },
+            Token = _token
+        }));
 
-        public RelayCommand FatalCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.Fatal(new GrowlInfo
-            {
-                Message = Properties.Langs.Lang.GrowlFatal,
-                ShowDateTime = false,
-                Token = _token
-            }))).Value;
+        public RelayCommand ErrorCmd => new(() => Growl.Error(Properties.Langs.Lang.GrowlError, _token));
 
-        public RelayCommand ClearCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.Clear(_token))).Value;
+        public RelayCommand AskCmd => new(() => Growl.Ask(Properties.Langs.Lang.GrowlAsk, isConfirmed =>
+        {
+            Growl.Info(isConfirmed.ToString());
+            return true;
+        }, _token));
+
+        public RelayCommand FatalCmd => new(() => Growl.Fatal(new GrowlInfo
+        {
+            Message = Properties.Langs.Lang.GrowlFatal,
+            ShowDateTime = false,
+            Token = _token
+        }));
+
+        public RelayCommand ClearCmd => new(() => Growl.Clear(_token));
 
         #endregion
 
         #region Desktop
 
-        public RelayCommand InfoGlobalCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.InfoGlobal(Properties.Langs.Lang.GrowlInfo))).Value;
+        public RelayCommand InfoGlobalCmd => new(() => Growl.InfoGlobal(Properties.Langs.Lang.GrowlInfo));
 
-        public RelayCommand SuccessGlobalCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.SuccessGlobal(Properties.Langs.Lang.GrowlSuccess))).Value;
+        public RelayCommand SuccessGlobalCmd => new(() => Growl.SuccessGlobal(Properties.Langs.Lang.GrowlSuccess));
 
-        public RelayCommand WarningGlobalCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.WarningGlobal(new GrowlInfo
-            {
-                Message = Properties.Langs.Lang.GrowlWarning,
-                CancelStr = Properties.Langs.Lang.Ignore,
-                ActionBeforeClose = isConfirmed =>
-                {
-                    Growl.InfoGlobal(isConfirmed.ToString());
-                    return true;
-                }
-            }))).Value;
-
-        public RelayCommand ErrorGlobalCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.ErrorGlobal(Properties.Langs.Lang.GrowlError))).Value;
-
-        public RelayCommand AskGlobalCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.AskGlobal(Properties.Langs.Lang.GrowlAsk, isConfirmed =>
+        public RelayCommand WarningGlobalCmd => new(() => Growl.WarningGlobal(new GrowlInfo
+        {
+            Message = Properties.Langs.Lang.GrowlWarning,
+            CancelStr = Properties.Langs.Lang.Ignore,
+            ActionBeforeClose = isConfirmed =>
             {
                 Growl.InfoGlobal(isConfirmed.ToString());
                 return true;
-            }))).Value;
+            }
+        }));
 
-        public RelayCommand FatalGlobalCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.FatalGlobal(new GrowlInfo
-            {
-                Message = Properties.Langs.Lang.GrowlFatal,
-                ShowDateTime = false
-            }))).Value;
+        public RelayCommand ErrorGlobalCmd => new(() => Growl.ErrorGlobal(Properties.Langs.Lang.GrowlError));
 
-        public RelayCommand ClearGlobalCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(Growl.ClearGlobal)).Value;
+        public RelayCommand AskGlobalCmd => new(() => Growl.AskGlobal(Properties.Langs.Lang.GrowlAsk, isConfirmed =>
+        {
+            Growl.InfoGlobal(isConfirmed.ToString());
+            return true;
+        }));
+
+        public RelayCommand FatalGlobalCmd => new(() => Growl.FatalGlobal(new GrowlInfo
+        {
+            Message = Properties.Langs.Lang.GrowlFatal,
+            ShowDateTime = false
+        }));
+
+        public RelayCommand ClearGlobalCmd => new(Growl.ClearGlobal);
 
         #endregion
 
-        public RelayCommand NewWindowCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => new GrowlDemoWindow
-            {
-                Owner = Application.Current.MainWindow
-            }.Show())).Value;
+        public RelayCommand NewWindowCmd => new(() => new GrowlDemoWindow
+        {
+            Owner = Application.Current.MainWindow
+        }.Show());
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/ImageBrowserDemoViewModel.cs

@@ -6,8 +6,7 @@ namespace HandyControlDemo.ViewModel
 {
     public class ImageBrowserDemoViewModel
     {
-        public RelayCommand OpenImgCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() =>
-                new ImageBrowser(new Uri("pack://application:,,,/Resources/Img/1.jpg")).Show())).Value;
+        public RelayCommand OpenImgCmd => new(() =>
+            new ImageBrowser(new Uri("pack://application:,,,/Resources/Img/1.jpg")).Show());
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/NotificationDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using HandyControl.Controls;
 using HandyControl.Data;
@@ -9,8 +8,7 @@ namespace HandyControlDemo.ViewModel
 {
     public class NotificationDemoViewModel : ViewModelBase
     {
-        public RelayCommand OpenCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Notification.Show(new AppNotification(), ShowAnimation, StaysOpen))).Value;
+        public RelayCommand OpenCmd => new(() => Notification.Show(new AppNotification(), ShowAnimation, StaysOpen));
 
         private ShowAnimation _showAnimation;
 

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/NotifyIconDemoViewModel.cs

@@ -93,11 +93,9 @@ namespace HandyControlDemo.ViewModel
 #endif
         }
 
-        public RelayCommand<object> MouseCmd => new Lazy<RelayCommand<object>>(() =>
-            new RelayCommand<object>(str => Growl.Info(str.ToString()))).Value;
+        public RelayCommand<object> MouseCmd => new(str => Growl.Info(str.ToString()));
 
-        public RelayCommand SendNotificationCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(SendNotification)).Value;
+        public RelayCommand SendNotificationCmd => new(SendNotification);
 
         private void SendNotification()
         {

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/PaginationDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
 using GalaSoft.MvvmLight.Command;
 using HandyControl.Data;
@@ -42,9 +41,7 @@ namespace HandyControlDemo.ViewModel
         /// <summary>
         ///     页码改变命令
         /// </summary>
-        public RelayCommand<FunctionEventArgs<int>> PageUpdatedCmd =>
-            new Lazy<RelayCommand<FunctionEventArgs<int>>>(() =>
-                new RelayCommand<FunctionEventArgs<int>>(PageUpdated)).Value;
+        public RelayCommand<FunctionEventArgs<int>> PageUpdatedCmd => new(PageUpdated);
 
         /// <summary>
         ///     页码改变

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/SearchBarDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using HandyControl.Controls;
 
@@ -7,8 +6,7 @@ namespace HandyControlDemo.ViewModel
 {
     public class SearchBarDemoViewModel : ViewModelBase
     {
-        public RelayCommand<string> SearchCmd => new Lazy<RelayCommand<string>>(() =>
-            new RelayCommand<string>(Search)).Value;
+        public RelayCommand<string> SearchCmd => new(Search);
 
         private void Search(string key)
         {

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/SideMenuDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using HandyControl.Controls;
 using HandyControl.Data;
@@ -8,13 +7,11 @@ namespace HandyControlDemo.ViewModel
 {
     public class SideMenuDemoViewModel : ViewModelBase
     {
-        public RelayCommand<FunctionEventArgs<object>> SwitchItemCmd => new Lazy<RelayCommand<FunctionEventArgs<object>>>(() =>
-            new RelayCommand<FunctionEventArgs<object>>(SwitchItem)).Value;
+        public RelayCommand<FunctionEventArgs<object>> SwitchItemCmd => new(SwitchItem);
 
         private void SwitchItem(FunctionEventArgs<object> info) => Growl.Info((info.Info as SideMenuItem)?.Header.ToString());
 
-        public RelayCommand<string> SelectCmd => new Lazy<RelayCommand<string>>(() =>
-            new RelayCommand<string>(Select)).Value;
+        public RelayCommand<string> SelectCmd => new(Select);
 
         private void Select(string header) => Growl.Success(header);
     }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/SplitButtonDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using HandyControl.Controls;
 
@@ -7,7 +6,6 @@ namespace HandyControlDemo.ViewModel
 {
     public class SplitButtonDemoViewModel : ViewModelBase
     {
-        public RelayCommand<string> SelectCmd => new Lazy<RelayCommand<string>>(() =>
-            new RelayCommand<string>(str => Growl.Info(str))).Value;
+        public RelayCommand<string> SelectCmd => new(str => Growl.Info(str));
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/SpriteDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using GalaSoft.MvvmLight.Command;
+using GalaSoft.MvvmLight.Command;
 using HandyControl.Controls;
 using HandyControlDemo.UserControl;
 
@@ -7,7 +6,6 @@ namespace HandyControlDemo.ViewModel
 {
     public class SpriteDemoViewModel
     {
-        public RelayCommand OpenCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Sprite.Show(new AppSprite()))).Value;
+        public RelayCommand OpenCmd => new(() => Sprite.Show(new AppSprite()));
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/StepBarDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Linq;
+using System.Linq;
 using System.Windows.Controls;
 using GalaSoft.MvvmLight.Command;
 using HandyControl.Controls;
@@ -27,12 +26,12 @@ namespace HandyControlDemo.ViewModel
         /// <summary>
         ///     下一步
         /// </summary>
-        public RelayCommand<Panel> NextCmd => new Lazy<RelayCommand<Panel>>(() => new RelayCommand<Panel>(Next)).Value;
+        public RelayCommand<Panel> NextCmd => new(Next);
 
         /// <summary>
         ///     上一步
         /// </summary>
-        public RelayCommand<Panel> PrevCmd => new Lazy<RelayCommand<Panel>>(() => new RelayCommand<Panel>(Prev)).Value;
+        public RelayCommand<Panel> PrevCmd => new(Prev);
 
         private void Next(Panel panel)
         {

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/TabControlDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Windows;
+using System.Windows;
 using GalaSoft.MvvmLight.Command;
 using HandyControl.Controls;
 using HandyControl.Data;
@@ -12,16 +11,14 @@ namespace HandyControlDemo.ViewModel
     {
         public TabControlDemoViewModel(DataService dataService) => DataList = dataService.GetTabControlDemoDataList();
 
-        public RelayCommand<CancelRoutedEventArgs> ClosingCmd => new Lazy<RelayCommand<CancelRoutedEventArgs>>(() =>
-            new RelayCommand<CancelRoutedEventArgs>(Closing)).Value;
+        public RelayCommand<CancelRoutedEventArgs> ClosingCmd => new(Closing);
 
         private void Closing(CancelRoutedEventArgs args)
         {
             Growl.Info($"{(args.OriginalSource as TabItem)?.Header} Closing");
         }
 
-        public RelayCommand<RoutedEventArgs> ClosedCmd => new Lazy<RelayCommand<RoutedEventArgs>>(() =>
-            new RelayCommand<RoutedEventArgs>(Closed)).Value;
+        public RelayCommand<RoutedEventArgs> ClosedCmd => new(Closed);
 
         private void Closed(RoutedEventArgs args)
         {

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/TagDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.ObjectModel;
+using System.Collections.ObjectModel;
 using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using HandyControl.Controls;
@@ -30,21 +29,20 @@ namespace HandyControlDemo.ViewModel
 #endif
         }
 
-        public RelayCommand AddItemCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() =>
+        public RelayCommand AddItemCmd => new(() =>
+        {
+            if (string.IsNullOrEmpty(TagName))
             {
-                if (string.IsNullOrEmpty(TagName))
-                {
-                    Growl.Warning(Lang.PlsEnterContent);
-                    return;
-                }
+                Growl.Warning(Lang.PlsEnterContent);
+                return;
+            }
 
-                DataList.Insert(0, new DemoDataModel
-                {
-                    IsSelected = DataList.Count % 2 == 0,
-                    Name = TagName
-                });
-                TagName = string.Empty;
-            })).Value;
+            DataList.Insert(0, new DemoDataModel
+            {
+                IsSelected = DataList.Count % 2 == 0,
+                Name = TagName
+            });
+            TagName = string.Empty;
+        });
     }
 }

src/Shared/HandyControlDemo_Shared/ViewModel/Controls/WindowDemoViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Windows;
+using System.Windows;
 using GalaSoft.MvvmLight.Command;
 using HandyControlDemo.Tools;
 
@@ -7,7 +6,7 @@ namespace HandyControlDemo.ViewModel
 {
     public class WindowDemoViewModel
     {
-        public RelayCommand<string> OpenWindowCmd => new Lazy<RelayCommand<string>>(() => new RelayCommand<string>(OpenWindow)).Value;
+        public RelayCommand<string> OpenWindowCmd => new(OpenWindow);
 
         private void OpenWindow(string windowTag)
         {

src/Shared/HandyControlDemo_Shared/ViewModel/Main/MainViewModel.cs

@@ -89,24 +89,18 @@ namespace HandyControlDemo.ViewModel
         /// <summary>
         ///     切换例子命令
         /// </summary>
-        public RelayCommand<SelectionChangedEventArgs> SwitchDemoCmd =>
-            new Lazy<RelayCommand<SelectionChangedEventArgs>>(() =>
-                new RelayCommand<SelectionChangedEventArgs>(SwitchDemo)).Value;
+        public RelayCommand<SelectionChangedEventArgs> SwitchDemoCmd => new(SwitchDemo);
 
-        public RelayCommand OpenPracticalDemoCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(OpenPracticalDemo)).Value;
+        public RelayCommand OpenPracticalDemoCmd => new(OpenPracticalDemo);
 
-        public RelayCommand GlobalShortcutInfoCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.Info("Global Shortcut Info"))).Value;
+        public RelayCommand GlobalShortcutInfoCmd => new(() => Growl.Info("Global Shortcut Info"));
 
-        public RelayCommand GlobalShortcutWarningCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() => Growl.Warning("Global Shortcut Warning"))).Value;
+        public RelayCommand GlobalShortcutWarningCmd => new(() => Growl.Warning("Global Shortcut Warning"));
 
-        public RelayCommand OpenDocCmd => new Lazy<RelayCommand>(() =>
-            new RelayCommand(() =>
-            {
-                ControlCommands.OpenLink.Execute(_dataService.GetDemoUrl(DemoInfoCurrent, DemoItemCurrent));
-            })).Value;
+        public RelayCommand OpenDocCmd => new(() =>
+        {
+            ControlCommands.OpenLink.Execute(_dataService.GetDemoUrl(DemoInfoCurrent, DemoItemCurrent));
+        });
 
         #endregion
 

src/Shared/HandyControlDemo_Shared/ViewModel/Main/NonClientAreaViewModel.cs

@@ -1,5 +1,4 @@
-using System;
-using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight;
 using GalaSoft.MvvmLight.Command;
 using GalaSoft.MvvmLight.Messaging;
 using HandyControlDemo.Data;
@@ -14,8 +13,7 @@ namespace HandyControlDemo.ViewModel
             VersionInfo = VersionHelper.GetVersion();
         }
 
-        public RelayCommand<string> OpenViewCmd => new Lazy<RelayCommand<string>>(() =>
-            new RelayCommand<string>(OpenView)).Value;
+        public RelayCommand<string> OpenViewCmd => new(OpenView);
 
         private void OpenView(string viewName)
         {

src/Shared/HandyControlDemo_Shared/ViewModel/ViewModelLocator.cs

@@ -58,7 +58,7 @@ namespace HandyControlDemo.ViewModel
 
         public WindowDemoViewModel WindowDemo => SimpleIoc.Default.GetInstance<WindowDemoViewModel>();
 
-        public ItemsDisplayViewModel ContributorsView => new ItemsDisplayViewModel(SimpleIoc.Default.GetInstance<DataService>().GetContributorDataList);
+        public ItemsDisplayViewModel ContributorsView => new(SimpleIoc.Default.GetInstance<DataService>().GetContributorDataList);
 
         public ItemsDisplayViewModel BlogsView => SimpleIoc.Default.GetInstance<ItemsDisplayViewModel>("Blogs");
 
@@ -70,7 +70,7 @@ namespace HandyControlDemo.ViewModel
 
         public PaginationDemoViewModel PaginationDemo => SimpleIoc.Default.GetInstance<PaginationDemoViewModel>();
 
-        public ChatBoxViewModel ChatBox => new ChatBoxViewModel();
+        public ChatBoxViewModel ChatBox => new();
 
         public CoverViewModel CoverView => SimpleIoc.Default.GetInstance<CoverViewModel>();
 
@@ -86,11 +86,11 @@ namespace HandyControlDemo.ViewModel
 
         public SideMenuDemoViewModel SideMenuDemo => SimpleIoc.Default.GetInstance<SideMenuDemoViewModel>();
 
-        public TabControlDemoViewModel TabControlDemo => new TabControlDemoViewModel(SimpleIoc.Default.GetInstance<DataService>());
+        public TabControlDemoViewModel TabControlDemo => new(SimpleIoc.Default.GetInstance<DataService>());
 
         public NonClientAreaViewModel NoUser => SimpleIoc.Default.GetInstance<NonClientAreaViewModel>();
 
-        public CardDemoViewModel CardDemo => new CardDemoViewModel(SimpleIoc.Default.GetInstance<DataService>());
+        public CardDemoViewModel CardDemo => new(SimpleIoc.Default.GetInstance<DataService>());
 
         public SpriteDemoViewModel SpriteDemo => SimpleIoc.Default.GetInstance<SpriteDemoViewModel>();
 
@@ -98,7 +98,7 @@ namespace HandyControlDemo.ViewModel
 
         public SplitButtonDemoViewModel SplitButtonDemo => SimpleIoc.Default.GetInstance<SplitButtonDemoViewModel>();
 
-        public TagDemoViewModel TagDemo => new TagDemoViewModel(SimpleIoc.Default.GetInstance<DataService>());
+        public TagDemoViewModel TagDemo => new(SimpleIoc.Default.GetInstance<DataService>());
 
         #endregion
     }

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

@@ -9,7 +9,7 @@ namespace HandyControl.Collections
     [Serializable]
     public class ManualObservableCollection<T> : Collection<T>, INotifyCollectionChanged, INotifyPropertyChanged
     {
-        private readonly SimpleMonitor _monitor = new SimpleMonitor();
+        private readonly SimpleMonitor _monitor = new();
 
         private const string CountString = "Count";
 

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

@@ -258,50 +258,45 @@ namespace HandyControl.Controls
 
         private static void OnShowRowNumberChanged(DependencyObject target, DependencyPropertyChangedEventArgs e)
         {
-            if (!(target is DataGrid dataGrid)) return;
+            if (target is not DataGrid dataGrid) return;
             var show = (bool) e.NewValue;
 
             if (show)
             {
                 dataGrid.LoadingRow += DataGrid_LoadingRow;
-                dataGrid.ItemContainerGenerator.ItemsChanged += ItemContainerGenerator_ItemsChanged;
+                dataGrid.ItemContainerGenerator.ItemsChanged += ItemContainerGeneratorItemsChanged;
             }
             else
             {
                 dataGrid.LoadingRow -= DataGrid_LoadingRow;
-                dataGrid.ItemContainerGenerator.ItemsChanged -= ItemContainerGenerator_ItemsChanged;
+                dataGrid.ItemContainerGenerator.ItemsChanged -= ItemContainerGeneratorItemsChanged;
             }
 
-            UpdateItems(dataGrid.ItemContainerGenerator, dataGrid.Items.Count, show);
-        }
-
-        private static void ItemContainerGenerator_ItemsChanged(object sender, ItemsChangedEventArgs e)
-        {
-            if (!(sender is ItemContainerGenerator generator)) return;
-            UpdateItems(generator, e.ItemCount);
-        }
-
-        private static void UpdateItems(ItemContainerGenerator generator, int itemsCount, bool show = true)
-        {
-            if (show)
+            void ItemContainerGeneratorItemsChanged(object sender, ItemsChangedEventArgs e)
             {
-                for (var i = 0; i < itemsCount; i++)
+                var generator = dataGrid.ItemContainerGenerator;
+                var itemsCount = dataGrid.Items.Count;
+
+                if (show)
                 {
-                    var row = (DataGridRow) generator.ContainerFromIndex(i);
-                    if (row != null)
+                    for (var i = 0; i < itemsCount; i++)
                     {
-                        row.Header = (i + 1).ToString();
+                        var row = (DataGridRow) generator.ContainerFromIndex(i);
+                        if (row != null)
+                        {
+                            row.Header = (i + 1).ToString();
+                        }
                     }
                 }
-            }
-            else
-            {
-                for (var i = 0; i < itemsCount; i++)
+                else
                 {
-                    var row = (DataGridRow) generator.ContainerFromIndex(i);
-                    if (row != null)
+                    for (var i = 0; i < itemsCount; i++)
                     {
-                        row.Header = null;
+                        var row = (DataGridRow) generator.ContainerFromIndex(i);
+                        if (row != null)
+                        {
+                            row.Header = null;
+                        }
                     }
                 }
             }
@@ -337,7 +332,7 @@ namespace HandyControl.Controls
         }
 
         public static void SetCanUnselectAllWithBlankArea(DependencyObject element, bool value)
-            => element.SetValue(CanUnselectAllWithBlankAreaProperty, value);
+            => element.SetValue(CanUnselectAllWithBlankAreaProperty, ValueBoxes.BooleanBox(value));
 
         public static bool GetCanUnselectAllWithBlankArea(DependencyObject element)
             => (bool) element.GetValue(CanUnselectAllWithBlankAreaProperty);

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

@@ -20,7 +20,7 @@ namespace HandyControl.Controls
             new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
 
         public static void SetAutoWidth(DependencyObject element, bool value)
-            => element.SetValue(AutoWidthProperty, value);
+            => element.SetValue(AutoWidthProperty, ValueBoxes.BooleanBox(value));
 
         public static bool GetAutoWidth(DependencyObject element)
             => (bool) element.GetValue(AutoWidthProperty);

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

@@ -0,0 +1,96 @@
+using System;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace HandyControl.Controls
+{
+    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)
+        {
+            if (d is FrameworkElement frameworkElement)
+            {
+                if (e.NewValue is string rowName)
+                {
+                    if (string.IsNullOrEmpty(rowName))
+                    {
+                        return;
+                    }
+
+                    if (frameworkElement.Parent is Grid grid)
+                    {
+                        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))
+                            {
+                                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);
+    }
+}

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

@@ -16,13 +16,10 @@ namespace HandyControl.Controls
         {
             var topLine = (FrameworkElement) d;
 
-            if (e.NewValue is Popup popup)
+            if (e.NewValue is Popup { TemplatedParent: MenuItem menuItem })
             {
-                if (popup.TemplatedParent is MenuItem menuItem)
-                {
-                    SetTopLine(menuItem, topLine);
-                    menuItem.Loaded += MenuItem_Loaded;
-                }
+                SetTopLine(menuItem, topLine);
+                menuItem.Loaded += MenuItem_Loaded;
             }
         }
 

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

@@ -0,0 +1,17 @@
+using System.Windows;
+using HandyControl.Data;
+
+namespace HandyControl.Controls
+{
+    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, value);
+
+        public static bool GetAutoHide(DependencyObject element)
+            => (bool) element.GetValue(AutoHideProperty);
+    }
+}

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

@@ -1,6 +1,9 @@
-using System.Windows;
+using System;
+using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Media;
 using HandyControl.Data;
+using HandyControl.Tools.Helper;
 
 namespace HandyControl.Controls
 {
@@ -15,13 +18,11 @@ namespace HandyControl.Controls
             {
                 if ((bool) e.NewValue)
                 {
-                    ctl.TextTrimming = TextTrimming.WordEllipsis;
                     UpdateTooltip(ctl);
                     ctl.SizeChanged += TextBlock_SizeChanged;
                 }
                 else
                 {
-                    ctl.ClearValue(TextBlock.TextTrimmingProperty);
                     ctl.SizeChanged -= TextBlock_SizeChanged;
                 }
             }
@@ -46,8 +47,25 @@ namespace HandyControl.Controls
             textBlock.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
             var width = textBlock.DesiredSize.Width - textBlock.Margin.Left - textBlock.Margin.Right;
 
-            ToolTipService.SetToolTip(textBlock,
-                textBlock.RenderSize.Width > width || textBlock.ActualWidth < width ? textBlock.Text : null);
+            // 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/WindowAttach.cs

@@ -141,7 +141,7 @@ namespace HandyControl.Controls
         }
 
         public static void SetHideWhenClosing(DependencyObject element, bool value)
-            => element.SetValue(HideWhenClosingProperty, 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

@@ -33,7 +33,7 @@ namespace HandyControl.Controls
 
         private static void OnInstanceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
-            if (!(d is FrameworkElement target)) return;
+            if (d is not FrameworkElement target) return;
             var element = (AdornerElement) e.NewValue;
             element.OnInstanceChanged(target);
         }

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

@@ -99,7 +99,7 @@ namespace HandyControl.Controls
 
         private static void OnDataChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
-            if (!(d is UIElement target)) return;
+            if (d is not UIElement target) return;
 
             target.PreviewMouseLeftButtonDown -= Target_PreviewMouseLeftButtonDown;
             target.PreviewMouseLeftButtonUp -= Target_PreviewMouseLeftButtonUp;

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

@@ -60,6 +60,6 @@ namespace HandyControl.Controls
             return mySize;
         }
 
-        private static Size ConvertThickness2Size(Thickness th) => new Size(th.Left + th.Right, th.Top + th.Bottom);
+        private static Size ConvertThickness2Size(Thickness th) => new(th.Left + th.Right, th.Top + th.Bottom);
     }
 }

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

@@ -44,9 +44,9 @@ namespace HandyControl.Controls
 
         private DispatcherTimer _updateTimer;
 
-        private readonly List<double> _widthList = new List<double>();
+        private readonly List<double> _widthList = new();
 
-        private readonly Dictionary<object, CarouselItem> _entryDic = new Dictionary<object, CarouselItem>();
+        private readonly Dictionary<object, CarouselItem> _entryDic = new();
 
         private bool _isRefresh;
 

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

@@ -101,7 +101,7 @@ namespace HandyControl.Controls
         /// <summary>
         ///     预设的颜色（一共18个，两行）
         /// </summary>
-        private readonly List<string> _colorPresetList = new List<string>
+        private readonly List<string> _colorPresetList = new()
         {
             "#f44336",
             "#e91e63",
@@ -127,7 +127,7 @@ namespace HandyControl.Controls
         /// <summary>
         ///     颜色范围集合
         /// </summary>
-        private readonly List<ColorRange> _colorRangeList = new List<ColorRange>
+        private readonly List<ColorRange> _colorRangeList = new()
         {
             new ColorRange
             {
@@ -164,7 +164,7 @@ namespace HandyControl.Controls
         /// <summary>
         ///     颜色分隔集合
         /// </summary>
-        private readonly List<Color> _colorSeparateList = new List<Color>
+        private readonly List<Color> _colorSeparateList = new()
         {
             Color.FromRgb(255, 0, 0),
             Color.FromRgb(255, 0, 255),
@@ -469,7 +469,7 @@ namespace HandyControl.Controls
             var button = new Button
             {
                 Margin = new Thickness(6),
-                Style = ResourceHelper.GetResource<Style>(ResourceToken.ButtonCustom),
+                Style = ResourceHelper.GetResourceInternal<Style>(ResourceToken.ButtonCustom),
                 Content = new Border
                 {
                     Background = brush,
@@ -549,7 +549,7 @@ namespace HandyControl.Controls
                     var cIndex = _colorSeparateList.IndexOf(Color.FromRgb(list[0], list[1], list[2]));
                     int sub;
                     var direc = 0;
-                    if (cIndex < 5 && cIndex > 0)
+                    if (cIndex is < 5 and > 0)
                     {
                         var nextColorList = _colorSeparateList[cIndex + 1].ToList();
                         var prevColorList = _colorSeparateList[cIndex - 1].ToList();
@@ -680,29 +680,18 @@ namespace HandyControl.Controls
         private void NumericUpDownRgb_OnValueChanged(object sender, FunctionEventArgs<double> e)
         {
             if (!_appliedTemplate || !IsNeedUpdateInfo) return;
-            if (e.OriginalSource is NumericUpDown ctl && ctl.Tag is string tag)
+            if (e.OriginalSource is NumericUpDown { Tag: string tag })
             {
                 var color = SelectedBrush.Color;
                 IsNeedUpdateInfo = false;
 
-                switch (tag)
+                SelectedBrush = tag switch
                 {
-                    case "R":
-                        {
-                            SelectedBrush = new SolidColorBrush(Color.FromArgb(color.A, (byte) e.Info, color.G, color.B));
-                            break;
-                        }
-                    case "G":
-                        {
-                            SelectedBrush = new SolidColorBrush(Color.FromArgb(color.A, color.R, (byte) e.Info, color.B));
-                            break;
-                        }
-                    case "B":
-                        {
-                            SelectedBrush = new SolidColorBrush(Color.FromArgb(color.A, color.R, color.G, (byte) e.Info));
-                            break;
-                        }
-                }
+                    "R" => new SolidColorBrush(Color.FromArgb(color.A, (byte) e.Info, color.G, color.B)),
+                    "G" => new SolidColorBrush(Color.FromArgb(color.A, color.R, (byte) e.Info, color.B)),
+                    "B" => new SolidColorBrush(Color.FromArgb(color.A, color.R, color.G, (byte) e.Info)),
+                    _ => SelectedBrush
+                };
 
                 IsNeedUpdateInfo = true;
             }
@@ -722,10 +711,7 @@ namespace HandyControl.Controls
 
         private void ToggleButtonDropper_Click(object sender, RoutedEventArgs e)
         {
-            if (_colorDropper == null)
-            {
-                _colorDropper = new ColorDropper(this);
-            }
+            _colorDropper ??= new ColorDropper(this);
             // ReSharper disable once PossibleInvalidOperationException
             _colorDropper.Update(_toggleButtonDropper.IsChecked.Value);
         }
@@ -748,6 +734,6 @@ namespace HandyControl.Controls
             GC.SuppressFinalize(this);
         }
 
-        public bool CanDispose { get; } = true;
+        public bool CanDispose => true;
     }
 }

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

@@ -69,12 +69,12 @@ namespace HandyControl.Controls
         /// <summary>
         ///     存储所有的内容
         /// </summary>
-        private readonly Dictionary<int, object> _contentDic = new Dictionary<int, object>();
+        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 Dictionary<int, CoverFlowItem>();
+        private readonly Dictionary<int, CoverFlowItem> _itemShowDic = new();
 
         /// <summary>
         ///     相机

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

@@ -72,12 +72,12 @@ namespace HandyControl.Controls
 
             var textureCoordinates = new PointCollection
             {
-                new Point(0, 1),
-                new Point(1, 1),
-                new Point(1, 0),
-                new Point(0, 0),
-                new Point(1, 0),
-                new Point(1, 1)
+                new(0, 1),
+                new(1, 1),
+                new(1, 0),
+                new(0, 0),
+                new(1, 0),
+                new(1, 1)
             };
 
             var normals = new Vector3DCollection

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

@@ -16,7 +16,7 @@ namespace HandyControl.Controls
 
         private IEnumerable _itemsSourceInternal;
 
-        private readonly Dictionary<object, CoverViewItem> _entryDic = new Dictionary<object, CoverViewItem>();
+        private readonly Dictionary<object, CoverViewItem> _entryDic = new();
 
         private bool _isRefresh;
 

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

@@ -16,7 +16,7 @@ namespace HandyControl.Controls
 
         private AdornerContainer _container;
 
-        private static readonly Dictionary<string, FrameworkElement> ContainerDic = new Dictionary<string, FrameworkElement>();
+        private static readonly Dictionary<string, FrameworkElement> ContainerDic = new();
 
         public static readonly DependencyProperty IsClosedProperty = DependencyProperty.Register(
             "IsClosed", typeof(bool), typeof(Dialog), new PropertyMetadata(ValueBoxes.FalseBox));

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

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Windows;
 using System.Windows.Controls;
+using System.Windows.Documents;
 using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Threading;
@@ -25,7 +26,9 @@ namespace HandyControl.Controls
         #region Constants
 
         private const string ElementPanelMore = "PART_PanelMore";
+
         private const string ElementGridMain = "PART_GridMain";
+
         private const string ElementButtonClose = "PART_ButtonClose";
 
         #endregion Constants
@@ -56,7 +59,7 @@ namespace HandyControl.Controls
         /// </summary>
         private DispatcherTimer _timerClose;
 
-        private static readonly Dictionary<string, Panel> PanelDic = new Dictionary<string, Panel>();
+        private static readonly Dictionary<string, Panel> PanelDic = new();
 
         #endregion Data
 
@@ -176,15 +179,6 @@ namespace HandyControl.Controls
         public static readonly DependencyProperty TypeProperty = DependencyProperty.Register(
             "Type", typeof(InfoType), typeof(Growl), new PropertyMetadata(default(InfoType)));
 
-        public static readonly DependencyProperty GrowlParentProperty = DependencyProperty.RegisterAttached(
-            "GrowlParent", typeof(bool), typeof(Growl), new PropertyMetadata(ValueBoxes.FalseBox, (o, args) =>
-            {
-                if ((bool) args.NewValue && o is Panel panel)
-                {
-                    SetGrowlPanel(panel);
-                }
-            }));
-
         public static readonly DependencyProperty TokenProperty = DependencyProperty.RegisterAttached(
             "Token", typeof(string), typeof(Growl), new PropertyMetadata(default(string), OnTokenChanged));
 
@@ -209,10 +203,28 @@ namespace HandyControl.Controls
         public static string GetToken(DependencyObject element)
             => (string) element.GetValue(TokenProperty);
 
+        public static readonly DependencyProperty GrowlParentProperty = DependencyProperty.RegisterAttached(
+            "GrowlParent", typeof(bool), typeof(Growl), new PropertyMetadata(ValueBoxes.FalseBox, (o, args) =>
+            {
+                if ((bool) args.NewValue && o is Panel panel)
+                {
+                    SetGrowlPanel(panel);
+                }
+            }));
+
         public static void SetGrowlParent(DependencyObject element, bool value) => element.SetValue(GrowlParentProperty, ValueBoxes.BooleanBox(value));
 
         public static bool GetGrowlParent(DependencyObject element) => (bool) element.GetValue(GrowlParentProperty);
 
+        private static readonly DependencyProperty IsCreatedAutomaticallyProperty = DependencyProperty.RegisterAttached(
+            "IsCreatedAutomatically", typeof(bool), typeof(Growl), new PropertyMetadata(ValueBoxes.FalseBox));
+
+        private static void SetIsCreatedAutomatically(DependencyObject element, bool value)
+            => element.SetValue(IsCreatedAutomaticallyProperty, ValueBoxes.BooleanBox(value));
+
+        private static bool GetIsCreatedAutomatically(DependencyObject element)
+            => (bool) element.GetValue(IsCreatedAutomaticallyProperty);
+
         public InfoType Type
         {
             get => (InfoType) GetValue(TypeProperty);
@@ -316,7 +328,7 @@ namespace HandyControl.Controls
                 }
             };
 
-            PanelElement.SetFluidMoveBehavior(panel, ResourceHelper.GetResource<FluidMoveBehavior>(ResourceToken.BehaviorXY400));
+            PanelElement.SetFluidMoveBehavior(panel, ResourceHelper.GetResourceInternal<FluidMoveBehavior>(ResourceToken.BehaviorXY400));
         }
 
         private void Update()
@@ -331,7 +343,7 @@ namespace HandyControl.Controls
 
             var transform = new TranslateTransform
             {
-                X = MaxWidth
+                X = FlowDirection == FlowDirection.LeftToRight ? MaxWidth : -MaxWidth
             };
             _gridMain.RenderTransform = transform;
             transform.BeginAnimation(TranslateTransform.XProperty, AnimationHelper.CreateAnimation(0));
@@ -340,28 +352,28 @@ namespace HandyControl.Controls
 
         private static void ShowGlobal(GrowlInfo growlInfo)
         {
-            if (GrowlWindow == null)
-            {
-                GrowlWindow = new GrowlWindow();
-                GrowlWindow.Show();
-                InitGrowlPanel(GrowlWindow.GrowlPanel);
-                GrowlWindow.Init();
-            }
-
-            GrowlWindow.Show(true);
-
             Application.Current.Dispatcher?.Invoke(
 #if NET40
                 new Action(
 #endif
                     () =>
                     {
+                        if (GrowlWindow == null)
+                        {
+                            GrowlWindow = new GrowlWindow();
+                            GrowlWindow.Show();
+                            InitGrowlPanel(GrowlWindow.GrowlPanel);
+                            GrowlWindow.Init();
+                        }
+
+                        GrowlWindow.Show(true);
+
                         var ctl = new Growl
                         {
                             Message = growlInfo.Message,
                             Time = DateTime.Now,
-                            Icon = ResourceHelper.GetResource<Geometry>(growlInfo.IconKey),
-                            IconBrush = ResourceHelper.GetResource<Brush>(growlInfo.IconBrushKey),
+                            Icon = ResourceHelper.GetResourceInternal<Geometry>(growlInfo.IconKey),
+                            IconBrush = ResourceHelper.GetResourceInternal<Brush>(growlInfo.IconBrushKey),
                             _showCloseButton = growlInfo.ShowCloseButton,
                             ActionBeforeClose = growlInfo.ActionBeforeClose,
                             _staysOpen = growlInfo.StaysOpen,
@@ -369,7 +381,8 @@ namespace HandyControl.Controls
                             ConfirmStr = growlInfo.ConfirmStr,
                             CancelStr = growlInfo.CancelStr,
                             Type = growlInfo.Type,
-                            _waitTime = Math.Max(growlInfo.WaitTime, 2)
+                            _waitTime = Math.Max(growlInfo.WaitTime, 2),
+                            FlowDirection = growlInfo.FlowDirection
                         };
                         GrowlWindow.GrowlPanel.Children.Insert(0, ctl);
                     }
@@ -395,8 +408,8 @@ namespace HandyControl.Controls
                         {
                             Message = growlInfo.Message,
                             Time = DateTime.Now,
-                            Icon = ResourceHelper.GetResource<Geometry>(growlInfo.IconKey),
-                            IconBrush = ResourceHelper.GetResource<Brush>(growlInfo.IconBrushKey),
+                            Icon = ResourceHelper.GetResourceInternal<Geometry>(growlInfo.IconKey),
+                            IconBrush = ResourceHelper.GetResourceInternal<Brush>(growlInfo.IconBrushKey),
                             _showCloseButton = growlInfo.ShowCloseButton,
                             ActionBeforeClose = growlInfo.ActionBeforeClose,
                             _staysOpen = growlInfo.StaysOpen,
@@ -406,6 +419,7 @@ namespace HandyControl.Controls
                             Type = growlInfo.Type,
                             _waitTime = Math.Max(growlInfo.WaitTime, 2)
                         };
+
                         if (!string.IsNullOrEmpty(growlInfo.Token))
                         {
                             if (PanelDic.TryGetValue(growlInfo.Token, out var panel))
@@ -415,6 +429,8 @@ namespace HandyControl.Controls
                         }
                         else
                         {
+                            // GrowlPanel is null, we create it automatically
+                            GrowlPanel ??= CreateDefaultPanel();
                             GrowlPanel?.Children.Insert(0, ctl);
                         }
                     }
@@ -424,6 +440,64 @@ namespace HandyControl.Controls
             );
         }
 
+        private static Panel CreateDefaultPanel()
+        {
+            FrameworkElement element = WindowHelper.GetActiveWindow();
+            var decorator = VisualHelper.GetChild<AdornerDecorator>(element);
+
+            if (decorator != null)
+            {
+                var layer = decorator.AdornerLayer;
+                if (layer != null)
+                {
+                    var panel = new StackPanel
+                    {
+                        VerticalAlignment = VerticalAlignment.Top
+                    };
+
+                    InitGrowlPanel(panel);
+                    SetIsCreatedAutomatically(panel, true);
+
+                    var scrollViewer = new ScrollViewer
+                    {
+                        HorizontalAlignment = HorizontalAlignment.Right,
+                        VerticalScrollBarVisibility = ScrollBarVisibility.Hidden,
+                        IsInertiaEnabled = true,
+                        IsPenetrating = true,
+                        Content = panel
+                    };
+
+                    var container = new AdornerContainer(layer)
+                    {
+                        Child = scrollViewer
+                    };
+
+                    layer.Add(container);
+
+                    return panel;
+                }
+            }
+
+            return null;
+        }
+
+        private static void RemoveDefaultPanel(Panel panel)
+        {
+            FrameworkElement element = WindowHelper.GetActiveWindow();
+            var decorator = VisualHelper.GetChild<AdornerDecorator>(element);
+
+            if (decorator != null)
+            {
+                var layer = decorator.AdornerLayer;
+                var adorner = VisualHelper.GetParent<Adorner>(panel);
+
+                if (adorner != null)
+                {
+                    layer?.Remove(adorner);
+                }
+            }
+        }
+
         private static void InitGrowlInfo(ref GrowlInfo growlInfo, InfoType infoType)
         {
             if (growlInfo == null) throw new ArgumentNullException(nameof(growlInfo));
@@ -487,18 +561,6 @@ namespace HandyControl.Controls
                         growlInfo.IconBrushKey = ResourceToken.PrimaryTextBrush;
                         growlInfo.StaysOpen = true;
                         growlInfo.ShowCloseButton = false;
-                        Application.Current.Dispatcher?.Invoke(
-#if NET40
-                            new Action(
-#endif
-                                () =>
-                                {
-                                    if (GrowlPanel.ContextMenu != null) GrowlPanel.ContextMenu.Opacity = 0;
-                                }
-#if NET40
-                            )
-#endif
-                        );
                     }
                     else
                     {
@@ -769,7 +831,7 @@ namespace HandyControl.Controls
             ShowGlobal(growlInfo);
         }
 
-        private void ButtonClose_OnClick(object sender, RoutedEventArgs e) => Close();
+        private void ButtonClose_OnClick(object sender, RoutedEventArgs e) => Close(true, false);
 
         /// <summary>
         ///     关闭
@@ -784,17 +846,29 @@ namespace HandyControl.Controls
             _timerClose?.Stop();
             var transform = new TranslateTransform();
             _gridMain.RenderTransform = transform;
-            var animation = AnimationHelper.CreateAnimation(ActualWidth);
+            var animation = AnimationHelper.CreateAnimation(FlowDirection == FlowDirection.LeftToRight ? ActualWidth : -ActualWidth);
             animation.Completed += (s, e) =>
             {
                 if (Parent is Panel panel)
                 {
                     panel.Children.Remove(this);
 
-                    if (GrowlWindow?.GrowlPanel != null && GrowlWindow.GrowlPanel.Children.Count == 0)
+                    if (GrowlWindow != null)
                     {
-                        GrowlWindow.Close();
-                        GrowlWindow = null;
+                        if (GrowlWindow.GrowlPanel != null && GrowlWindow.GrowlPanel.Children.Count == 0)
+                        {
+                            GrowlWindow.Close();
+                            GrowlWindow = null;
+                        }
+                    }
+                    else
+                    {
+                        if (GrowlPanel != null && GrowlPanel.Children.Count == 0 && GetIsCreatedAutomatically(GrowlPanel))
+                        {
+                            // If the count of children is zero, we need to remove the panel, provided that the panel was created automatically  
+                            RemoveDefaultPanel(GrowlPanel);
+                            GrowlPanel = null;
+                        }
                     }
                 }
             };
@@ -824,16 +898,7 @@ namespace HandyControl.Controls
         ///     清除
         /// </summary>
         /// <param name="panel"></param>
-        private static void Clear(Panel panel)
-        {
-            if (panel == null) return;
-            panel.Children.Clear();
-            if (panel.ContextMenu != null)
-            {
-                panel.ContextMenu.IsOpen = false;
-                panel.ContextMenu.Opacity = 1;
-            }
-        }
+        private static void Clear(Panel panel) => panel?.Children.Clear();
 
         /// <summary>
         ///     清除

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

@@ -17,8 +17,7 @@ namespace HandyControl.Controls
 
             GrowlPanel = new StackPanel
             {
-                VerticalAlignment = VerticalAlignment.Top,
-                Margin = new Thickness(0, 10, 10, 10)
+                VerticalAlignment = VerticalAlignment.Top
             };
 
             Content = new ScrollViewer

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

@@ -19,9 +19,9 @@ namespace HandyControl.Controls
 {
     public class GifImage : Image, IDisposable
     {
-        private static readonly Guid GifGuid = new Guid("{b96b3caa-0728-11d3-9d7b-0000f81ef32e}");
+        private static readonly Guid GifGuid = new("{b96b3caa-0728-11d3-9d7b-0000f81ef32e}");
 
-        private static readonly Guid GifSingleFrameGuid = new Guid("{b96b3cb0-0728-11d3-9d7b-0000f81ef32e}");
+        private static readonly Guid GifSingleFrameGuid = new("{b96b3cb0-0728-11d3-9d7b-0000f81ef32e}");
 
         internal IntPtr NativeImage;
 

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

@@ -48,7 +48,7 @@ namespace HandyControl.Controls
         /// <summary>
         ///     图片保存对话框
         /// </summary>
-        private static readonly SaveFileDialog SaveFileDialog = new SaveFileDialog
+        private static readonly SaveFileDialog SaveFileDialog = new()
         {
             Filter = $"{Lang.PngImg}|*.png"
         };
@@ -160,6 +160,8 @@ namespace HandyControl.Controls
 
         private DispatcherTimer _dispatcher;
 
+        private bool _isLoaded;
+
         #endregion Data
 
         #region ctor
@@ -174,7 +176,11 @@ namespace HandyControl.Controls
             CommandBindings.Add(new CommandBinding(ControlCommands.RotateLeft, ButtonRotateLeft_OnClick));
             CommandBindings.Add(new CommandBinding(ControlCommands.RotateRight, ButtonRotateRight_OnClick));
 
-            Loaded += (s, e) => Init();
+            Loaded += (s, e) =>
+            {
+                _isLoaded = true;
+                Init();
+            };
         }
 
         /// <summary>
@@ -445,7 +451,7 @@ namespace HandyControl.Controls
         /// </summary>
         private void Init()
         {
-            if (ImageSource == null || !IsLoaded) return;
+            if (ImageSource == null || !_isLoaded) return;
 
             if (ImageSource.IsDownloading)
             {
@@ -464,13 +470,13 @@ namespace HandyControl.Controls
 
             if (!_isOblique)
             {
-                width = ImageSource.Width;
-                height = ImageSource.Height;
+                width = ImageSource.PixelWidth;
+                height = ImageSource.PixelHeight;
             }
             else
             {
-                width = ImageSource.Height;
-                height = ImageSource.Width;
+                width = ImageSource.PixelHeight;
+                height = ImageSource.PixelWidth;
             }
 
             ImageWidth = width;
@@ -514,7 +520,7 @@ namespace HandyControl.Controls
         {
             if (_dispatcher == null) return;
 
-            if (ImageSource == null || !IsLoaded)
+            if (ImageSource == null || !_isLoaded)
             {
                 _dispatcher.Stop();
                 _dispatcher.Tick -= Dispatcher_Tick;

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

@@ -116,7 +116,15 @@ namespace HandyControl.Controls
         public CheckComboBox()
         {
             AddHandler(Controls.Tag.ClosedEvent, new RoutedEventHandler(Tags_OnClosed));
-            CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) => SelectedItems.Clear()));
+
+            CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
+            {
+                SetCurrentValue(SelectedValueProperty, null);
+                SetCurrentValue(SelectedItemProperty, null);
+                SetCurrentValue(SelectedIndexProperty, -1);
+                SelectedItems.Clear();
+            }));
+
             ItemContainerGenerator.StatusChanged += ItemContainerGenerator_StatusChanged;
         }
 
@@ -200,7 +208,7 @@ namespace HandyControl.Controls
 
         private void Tags_OnClosed(object sender, RoutedEventArgs e)
         {
-            if (e.OriginalSource is Tag tag && tag.Tag is CheckComboBoxItem checkComboBoxItem)
+            if (e.OriginalSource is Tag { Tag: CheckComboBoxItem checkComboBoxItem })
             {
                 checkComboBoxItem.SetCurrentValue(IsSelectedProperty, false);
             }

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

@@ -132,7 +132,13 @@ namespace HandyControl.Controls
         public static readonly DependencyProperty IsDropDownOpenProperty = DependencyProperty.Register(
             "IsDropDownOpen", typeof(bool), typeof(DateTimePicker), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, OnIsDropDownOpenChanged, OnCoerceIsDropDownOpen));
 
-        private static object OnCoerceIsDropDownOpen(DependencyObject d, object baseValue) => d is DateTimePicker dp && !dp.IsEnabled ? false : baseValue;
+        private static object OnCoerceIsDropDownOpen(DependencyObject d, object baseValue) =>
+            d is DateTimePicker
+            {
+                IsEnabled: false
+            }
+                ? false
+                : baseValue;
 
         private static void OnIsDropDownOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
@@ -172,7 +178,7 @@ namespace HandyControl.Controls
 
         private static void OnSelectedDateTimeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
-            if (!(d is DateTimePicker dp)) return;
+            if (d is not DateTimePicker dp) return;
 
             if (dp.SelectedDateTime.HasValue)
             {
@@ -555,7 +561,7 @@ namespace HandyControl.Controls
 
         private void PopupPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
         {
-            if (sender is Popup popup && !popup.StaysOpen)
+            if (sender is Popup { StaysOpen: false })
             {
                 if (_dropDownButton?.InputHitTest(e.GetPosition(_dropDownButton)) != null)
                 {

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

@@ -302,21 +302,18 @@ namespace HandyControl.Controls
                 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 != null)
+                if (_password is { Length: > 0 })
                 {
-                    if (_password.Length > 0)
+                    var valuePtr = IntPtr.Zero;
+                    try
                     {
-                        var valuePtr = IntPtr.Zero;
-                        try
-                        {
-                            valuePtr = Marshal.SecureStringToGlobalAllocUnicode(_password);
-                            ActualPasswordBox.Password = Marshal.PtrToStringUni(valuePtr) ?? throw new InvalidOperationException();
-                        }
-                        finally
-                        {
-                            Marshal.ZeroFreeGlobalAllocUnicode(valuePtr);
-                            _password.Clear();
-                        }
+                        valuePtr = Marshal.SecureStringToGlobalAllocUnicode(_password);
+                        ActualPasswordBox.Password = Marshal.PtrToStringUni(valuePtr) ?? throw new InvalidOperationException();
+                    }
+                    finally
+                    {
+                        Marshal.ZeroFreeGlobalAllocUnicode(valuePtr);
+                        _password.Clear();
                     }
                 }
             }

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

@@ -142,7 +142,13 @@ namespace HandyControl.Controls
             typeof(TimePicker),
             new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, OnIsDropDownOpenChanged, OnCoerceIsDropDownOpen));
 
-        private static object OnCoerceIsDropDownOpen(DependencyObject d, object baseValue) => d is TimePicker dp && !dp.IsEnabled ? false : baseValue;
+        private static object OnCoerceIsDropDownOpen(DependencyObject d, object baseValue) =>
+            d is TimePicker
+            {
+                IsEnabled: false
+            }
+                ? false
+                : baseValue;
 
         private static void OnIsDropDownOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
@@ -183,7 +189,7 @@ namespace HandyControl.Controls
 
         private static void OnSelectedTimeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
-            if (!(d is TimePicker dp)) return;
+            if (d is not TimePicker dp) return;
 
             if (dp.SelectedTime.HasValue)
             {
@@ -340,16 +346,14 @@ namespace HandyControl.Controls
         private static void OnClockChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
             var ctl = (TimePicker) d;
-            var oldClock = e.OldValue as ClockBase;
-            var newClock = e.NewValue as ClockBase;
 
-            if (oldClock != null)
+            if (e.OldValue is ClockBase oldClock)
             {
                 oldClock.SelectedTimeChanged -= ctl.Clock_SelectedTimeChanged;
                 oldClock.Confirmed -= ctl.Clock_Confirmed;
             }
 
-            if (newClock != null)
+            if (e.NewValue is ClockBase newClock)
             {
                 newClock.ShowConfirmButton = true;
                 newClock.SelectedTimeChanged += ctl.Clock_SelectedTimeChanged;
@@ -589,7 +593,7 @@ namespace HandyControl.Controls
 
         private void PopupPreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
         {
-            if (sender is Popup popup && !popup.StaysOpen)
+            if (sender is Popup { StaysOpen: false })
             {
                 if (_dropDownButton?.InputHitTest(e.GetPosition(_dropDownButton)) != null)
                 {

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

@@ -62,7 +62,7 @@ namespace HandyControl.Controls
             "DotDelayTime", typeof(double), typeof(LoadingBase),
             new FrameworkPropertyMetadata(80.0, FrameworkPropertyMetadataOptions.AffectsRender));
 
-        protected readonly Canvas PrivateCanvas = new Canvas
+        protected readonly Canvas PrivateCanvas = new()
         {
             ClipToBounds = true
         };

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

@@ -12,19 +12,10 @@ namespace HandyControl.Controls
 {
     public class AnimationPath : Shape
     {
-        /// <summary>
-        ///     故事板
-        /// </summary>
         private Storyboard _storyboard;
 
-        /// <summary>
-        ///     路径长度
-        /// </summary>
         private double _pathLength;
 
-        /// <summary>
-        ///     路径
-        /// </summary>
         public static readonly DependencyProperty DataProperty = DependencyProperty.Register(nameof(Data),
             typeof(Geometry), typeof(AnimationPath), new FrameworkPropertyMetadata(null,
                 OnPropertiesChanged));
@@ -37,9 +28,6 @@ namespace HandyControl.Controls
             }
         }
 
-        /// <summary>
-        ///     路径
-        /// </summary>
         public Geometry Data
         {
             get => (Geometry) GetValue(DataProperty);
@@ -48,31 +36,19 @@ namespace HandyControl.Controls
 
         protected override Geometry DefiningGeometry => Data ?? Geometry.Empty;
 
-        /// <summary>
-        ///     路径长度
-        /// </summary>
         public static readonly DependencyProperty PathLengthProperty = DependencyProperty.Register(
             "PathLength", typeof(double), typeof(AnimationPath), new FrameworkPropertyMetadata(ValueBoxes.Double0Box, OnPropertiesChanged));
 
-        /// <summary>
-        ///     路径长度
-        /// </summary>
         public double PathLength
         {
             get => (double) GetValue(PathLengthProperty);
             set => SetValue(PathLengthProperty, value);
         }
 
-        /// <summary>
-        ///     动画间隔时间
-        /// </summary>
         public static readonly DependencyProperty DurationProperty = DependencyProperty.Register(
             "Duration", typeof(Duration), typeof(AnimationPath), new FrameworkPropertyMetadata(new Duration(TimeSpan.FromSeconds(2)),
                 OnPropertiesChanged));
 
-        /// <summary>
-        ///     动画间隔时间
-        /// </summary>
         public Duration Duration
         {
             get => (Duration) GetValue(DurationProperty);
@@ -94,27 +70,31 @@ namespace HandyControl.Controls
                 }
             }));
 
-        /// <summary>
-        ///     是否正在播放动画
-        /// </summary>
         public bool IsPlaying
         {
             get => (bool) GetValue(IsPlayingProperty);
             set => SetValue(IsPlayingProperty, ValueBoxes.BooleanBox(value));
         }
 
-        public static readonly DependencyProperty RepeatBehaviorProperty = DependencyProperty.Register(
-            "RepeatBehavior", typeof(RepeatBehavior), typeof(AnimationPath), new PropertyMetadata(RepeatBehavior.Forever));
+        public static readonly DependencyProperty RepeatBehaviorProperty =
+            Timeline.RepeatBehaviorProperty.AddOwner(typeof(AnimationPath),
+                new PropertyMetadata(RepeatBehavior.Forever));
 
-        /// <summary>
-        ///     动画重复行为
-        /// </summary>
         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,
@@ -126,25 +106,16 @@ namespace HandyControl.Controls
 
         public AnimationPath() => Loaded += (s, e) => UpdatePath();
 
-        /// <summary>
-        ///     动画完成事件
-        /// </summary>
         public static readonly RoutedEvent CompletedEvent =
             EventManager.RegisterRoutedEvent("Completed", RoutingStrategy.Bubble,
                 typeof(EventHandler), typeof(AnimationPath));
 
-        /// <summary>
-        ///     动画完成事件
-        /// </summary>
         public event EventHandler Completed
         {
             add => AddHandler(CompletedEvent, value);
             remove => RemoveHandler(CompletedEvent, value);
         }
 
-        /// <summary>
-        ///     更新路径
-        /// </summary>
         private void UpdatePath()
         {
             if (!Duration.HasTimeSpan || !IsPlaying) return;
@@ -160,7 +131,6 @@ namespace HandyControl.Controls
                 _pathLength
             });
 
-            //定义动画
             if (_storyboard != null)
             {
                 _storyboard.Stop();
@@ -168,25 +138,26 @@ namespace HandyControl.Controls
             }
             _storyboard = new Storyboard
             {
-                RepeatBehavior = RepeatBehavior
+                RepeatBehavior = RepeatBehavior,
+                FillBehavior = FillBehavior
             };
             _storyboard.Completed += Storyboard_Completed;
 
             var frames = new DoubleAnimationUsingKeyFrames();
-            //开始位置
-            var frame0 = new LinearDoubleKeyFrame
+
+            var frameIn = new LinearDoubleKeyFrame
             {
                 Value = _pathLength,
                 KeyTime = KeyTime.FromTimeSpan(TimeSpan.Zero)
             };
-            //结束位置
-            var frame1 = new LinearDoubleKeyFrame
+            frames.KeyFrames.Add(frameIn);
+
+            var frameOut = new LinearDoubleKeyFrame
             {
-                Value = -_pathLength,
+                Value = FillBehavior == FillBehavior.Stop ? -_pathLength : 0,
                 KeyTime = KeyTime.FromTimeSpan(Duration.TimeSpan)
             };
-            frames.KeyFrames.Add(frame0);
-            frames.KeyFrames.Add(frame1);
+            frames.KeyFrames.Add(frameOut);
 
             Storyboard.SetTarget(frames, this);
             Storyboard.SetTargetProperty(frames, new PropertyPath(StrokeDashOffsetProperty));

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

@@ -63,7 +63,14 @@ namespace HandyControl.Controls
         }
 
         public static readonly DependencyProperty MaximumProperty = DependencyProperty.Register(
-            "Maximum", typeof(int), typeof(Badge), new PropertyMetadata(ValueBoxes.Int99Box, OnValueChanged));
+            "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
         {

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

@@ -134,9 +134,9 @@ namespace HandyControl.Controls
             set => SetValue(BorderDashOffsetProperty, value);
         }
 
-        private static Size ConvertThickness2Size(Thickness th) => new Size(th.Left + th.Right, th.Top + th.Bottom);
+        private static Size ConvertThickness2Size(Thickness th) => new(th.Left + th.Right, th.Top + th.Bottom);
 
-        private static Rect DeflateRect(Rect rt, Thickness thick) => new Rect(rt.Left + thick.Left,
+        private static Rect DeflateRect(Rect rt, Thickness thick) => new(rt.Left + thick.Left,
             rt.Top + thick.Top,
             Math.Max(0.0, rt.Width - thick.Left - thick.Right),
             Math.Max(0.0, rt.Height - thick.Top - thick.Bottom));

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

@@ -28,7 +28,7 @@ namespace HandyControl.Controls
             "ShowEmpty", typeof(bool), typeof(Empty), new FrameworkPropertyMetadata(ValueBoxes.FalseBox, FrameworkPropertyMetadataOptions.Inherits));
 
         public static void SetShowEmpty(DependencyObject element, bool value)
-            => element.SetValue(ShowEmptyProperty, value);
+            => element.SetValue(ShowEmptyProperty, ValueBoxes.BooleanBox(value));
 
         public static bool GetShowEmpty(DependencyObject element)
             => (bool) element.GetValue(ShowEmptyProperty);

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

@@ -45,7 +45,7 @@ namespace HandyControl.Controls
                 {
                     Stretch = Stretch.UniformToFill
                 }
-                : ResourceHelper.GetResource<Brush>("SecondaryRegionBrush");
+                : ResourceHelper.GetResourceInternal<Brush>("SecondaryRegionBrush");
         }
 
         public ImageSource Source

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

@@ -18,7 +18,7 @@ namespace HandyControl.Controls
 
         private const string ElementVisualBrush = "PART_VisualBrush";
 
-        private VisualBrush _visualBrush = new VisualBrush();
+        private VisualBrush _visualBrush = new();
 
         private readonly TranslateTransform _translateTransform;
 
@@ -40,7 +40,7 @@ namespace HandyControl.Controls
             set => SetValue(VerticalOffsetProperty, value);
         }
 
-        public static Magnifier Default => new Magnifier();
+        public static Magnifier Default => new();
 
         public static readonly DependencyProperty ScaleProperty = DependencyProperty.Register(
             "Scale", typeof(double), typeof(Magnifier), new PropertyMetadata(5.0, OnScaleChanged), ValidateHelper.IsInRangeOfPosDouble);
@@ -129,7 +129,7 @@ namespace HandyControl.Controls
             {
                 layer.Remove(_adornerContainer);
             }
-            else if (_adornerContainer != null && _adornerContainer.Parent is AdornerLayer parent)
+            else if (_adornerContainer is { Parent: AdornerLayer parent })
             {
                 parent.Remove(_adornerContainer);
             }

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

@@ -22,7 +22,7 @@ namespace HandyControl.Controls
 
         private bool _added;
 
-        private readonly object _syncObj = new object();
+        private readonly object _syncObj = new();
 
         private readonly int _id;
 
@@ -58,7 +58,7 @@ namespace HandyControl.Controls
 
         private static int NextId;
 
-        private static readonly Dictionary<string, NotifyIcon> NotifyIconDic = new Dictionary<string, NotifyIcon>();
+        private static readonly Dictionary<string, NotifyIcon> NotifyIconDic = new();
 
         static NotifyIcon()
         {
@@ -192,21 +192,14 @@ namespace HandyControl.Controls
                 szInfo = content ?? string.Empty
             };
 
-            switch (infoType)
+            data.dwInfoFlags = infoType switch
             {
-                case NotifyIconInfoType.Info:
-                    data.dwInfoFlags = InteropValues.NIIF_INFO;
-                    break;
-                case NotifyIconInfoType.Warning:
-                    data.dwInfoFlags = InteropValues.NIIF_WARNING;
-                    break;
-                case NotifyIconInfoType.Error:
-                    data.dwInfoFlags = InteropValues.NIIF_ERROR;
-                    break;
-                case NotifyIconInfoType.None:
-                    data.dwInfoFlags = InteropValues.NIIF_NONE;
-                    break;
-            }
+                NotifyIconInfoType.Info => InteropValues.NIIF_INFO,
+                NotifyIconInfoType.Warning => InteropValues.NIIF_WARNING,
+                NotifyIconInfoType.Error => InteropValues.NIIF_ERROR,
+                NotifyIconInfoType.None => InteropValues.NIIF_NONE,
+                _ => data.dwInfoFlags
+            };
 
             InteropMethods.Shell_NotifyIcon(InteropValues.NIM_MODIFY, data);
         }

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

@@ -89,7 +89,7 @@ namespace HandyControl.Controls
         ///     最大页数
         /// </summary>
         public static readonly DependencyProperty MaxPageCountProperty = DependencyProperty.Register(
-            "MaxPageCount", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, OnMaxPageCountChanged, CoerceMaxPageCount), ValidateHelper.IsInRangeOfPosInt);
+            "MaxPageCount", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, OnMaxPageCountChanged, CoerceMaxPageCount), ValidateHelper.IsInRangeOfPosIntIncludeZero);
 
         private static object CoerceMaxPageCount(DependencyObject d, object basevalue)
         {
@@ -157,11 +157,11 @@ namespace HandyControl.Controls
         ///     当前页
         /// </summary>
         public static readonly DependencyProperty PageIndexProperty = DependencyProperty.Register(
-            "PageIndex", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, OnPageIndexChanged, CoercePageIndex), ValidateHelper.IsInRangeOfPosInt);
+            "PageIndex", typeof(int), typeof(Pagination), new PropertyMetadata(ValueBoxes.Int1Box, OnPageIndexChanged, CoercePageIndex), ValidateHelper.IsInRangeOfPosIntIncludeZero);
 
         private static object CoercePageIndex(DependencyObject d, object basevalue)
         {
-            if (!(d is Pagination pagination)) return 1;
+            if (d is not Pagination pagination) return 1;
 
             var intValue = (int) basevalue;
             return intValue < 1
@@ -383,16 +383,16 @@ namespace HandyControl.Controls
 
         private RadioButton CreateButton(int page)
         {
-            return new RadioButton
+            return new()
             {
-                Style = ResourceHelper.GetResource<Style>(ResourceToken.PaginationButtonStyle),
+                Style = ResourceHelper.GetResourceInternal<Style>(ResourceToken.PaginationButtonStyle),
                 Content = page.ToString()
             };
         }
 
         private void ToggleButton_OnChecked(object sender, RoutedEventArgs e)
         {
-            if (!(e.OriginalSource is RadioButton button)) return;
+            if (e.OriginalSource is not RadioButton button) return;
             if (button.IsChecked == false) return;
             PageIndex = int.Parse(button.Content.ToString());
         }

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

@@ -148,7 +148,7 @@ namespace HandyControl.Controls
             set => SetValue(IsOpenProperty, ValueBoxes.BooleanBox(value));
         }
 
-        public static Poptip Default => new Poptip();
+        public static Poptip Default => new();
 
         protected sealed override void OnTargetChanged(FrameworkElement element, bool isNew)
         {
@@ -287,7 +287,7 @@ namespace HandyControl.Controls
         private void Element_MouseEnter(object sender, MouseEventArgs e)
         {
             var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
-            if (hitMode != HitMode.Hover || hitMode == HitMode.None) return;
+            if (hitMode != HitMode.Hover) return;
 
             SwitchPoptip(true);
         }
@@ -295,7 +295,7 @@ namespace HandyControl.Controls
         private void Element_MouseLeave(object sender, MouseEventArgs e)
         {
             var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
-            if (hitMode != HitMode.Hover || hitMode == HitMode.None) return;
+            if (hitMode != HitMode.Hover) return;
 
             SwitchPoptip(false);
         }
@@ -303,7 +303,7 @@ namespace HandyControl.Controls
         private void Element_GotFocus(object sender, RoutedEventArgs e)
         {
             var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
-            if (hitMode != HitMode.Focus || hitMode == HitMode.None) return;
+            if (hitMode != HitMode.Focus) return;
 
             SwitchPoptip(true);
         }
@@ -311,7 +311,7 @@ namespace HandyControl.Controls
         private void Element_LostFocus(object sender, RoutedEventArgs e)
         {
             var hitMode = GetIsInstance(Target) ? HitMode : GetHitMode(Target);
-            if (hitMode != HitMode.Focus || hitMode == HitMode.None) return;
+            if (hitMode != HitMode.Focus) return;
 
             SwitchPoptip(false);
         }

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

@@ -11,10 +11,14 @@ namespace HandyControl.Controls
     {
         private FrameworkElement _contentPresenter;
 
+        private static Storyboard StoryboardBuildInDefault;
+
+        private Storyboard _storyboardBuildIn;
+
         public TransitioningContentControl()
         {
             Loaded += TransitioningContentControl_Loaded;
-            IsVisibleChanged += TransitioningContentControl_IsVisibleChanged;
+            Unloaded += TransitioningContentControl_Unloaded;
         }
 
         public static readonly DependencyProperty TransitionModeProperty = DependencyProperty.Register(
@@ -23,7 +27,13 @@ namespace HandyControl.Controls
         private static void OnTransitionModeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
             var ctl = (TransitioningContentControl) d;
-            ctl.StartTransition();
+            ctl.OnTransitionModeChanged((TransitionMode) e.NewValue);
+        }
+
+        private void OnTransitionModeChanged(TransitionMode newValue)
+        {
+            _storyboardBuildIn = ResourceHelper.GetResourceInternal<Storyboard>($"{newValue}Transition");
+            StartTransition();
         }
 
         public TransitionMode TransitionMode
@@ -43,19 +53,33 @@ namespace HandyControl.Controls
 
         private void TransitioningContentControl_IsVisibleChanged(object sender, DependencyPropertyChangedEventArgs e) => StartTransition();
 
-        private void TransitioningContentControl_Loaded(object sender, RoutedEventArgs 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 (Visibility != Visibility.Visible || _contentPresenter == null) return;
+            if (!IsArrangeValid || _contentPresenter == null) return;
 
             if (TransitionStoryboard != null)
             {
                 TransitionStoryboard.Begin(_contentPresenter);
             }
-            else if (Application.Current != null)
+            else if (_storyboardBuildIn != null)
             {
-                ResourceHelper.GetResource<Storyboard>($"{TransitionMode.ToString()}Transition")?.Begin(_contentPresenter);
+                _storyboardBuildIn?.Begin(_contentPresenter);
+            }
+            else
+            {
+                StoryboardBuildInDefault ??= ResourceHelper.GetResourceInternal<Storyboard>($"{default(TransitionMode)}Transition");
+                StoryboardBuildInDefault?.Begin(_contentPresenter);
             }
         }
 

src/Shared/HandyControl_Shared/Controls/Panel/ElementGroup.cs

@@ -0,0 +1,120 @@
+using System.Collections.Generic;
+using System.Windows;
+using System.Windows.Controls;
+using HandyControl.Tools;
+
+namespace HandyControl.Controls
+{
+    public class ElementGroup : SimpleStackPanel
+    {
+        private static readonly Dictionary<Orientation, Dictionary<ChildLocation, CornerRadius>> CornerRadiusDict;
+
+        static ElementGroup()
+        {
+            var defaultCornerRadius = ResourceHelper.GetResourceInternal<CornerRadius>("DefaultCornerRadius");
+
+            CornerRadiusDict = new Dictionary<Orientation, Dictionary<ChildLocation, CornerRadius>>
+            {
+                [Orientation.Horizontal] = new()
+                {
+                    [ChildLocation.Single] = defaultCornerRadius,
+                    [ChildLocation.First] = new CornerRadius(defaultCornerRadius.TopLeft, 0, 0, defaultCornerRadius.BottomLeft),
+                    [ChildLocation.Middle] = new CornerRadius(),
+                    [ChildLocation.Last] = new CornerRadius(0, defaultCornerRadius.TopRight, defaultCornerRadius.BottomRight, 0)
+                },
+                [Orientation.Vertical] = new()
+                {
+                    [ChildLocation.Single] = defaultCornerRadius,
+                    [ChildLocation.First] = new CornerRadius(defaultCornerRadius.TopLeft, defaultCornerRadius.TopRight, 0, 0),
+                    [ChildLocation.Middle] = new CornerRadius(),
+                    [ChildLocation.Last] = new CornerRadius(0, 0, defaultCornerRadius.BottomRight, defaultCornerRadius.BottomLeft)
+                }
+            };
+        }
+
+        protected override void OnVisualChildrenChanged(DependencyObject visualAdded, DependencyObject visualRemoved)
+        {
+            base.OnVisualChildrenChanged(visualAdded, visualRemoved);
+
+            if (visualAdded is UIElement elementAdded)
+            {
+                elementAdded.GotFocus += ElementAdded_GotFocus;
+                elementAdded.LostFocus += ElementAdded_LostFocus;
+            }
+
+            if (visualRemoved is UIElement elementRemoved)
+            {
+                elementRemoved.GotFocus -= ElementAdded_GotFocus;
+                elementRemoved.LostFocus -= ElementAdded_LostFocus;
+            }
+
+            var childrenCount = InternalChildren.Count;
+            if (childrenCount == 0)
+            {
+                return;
+            }
+
+            var orientation = Orientation;
+
+            if (childrenCount == 1)
+            {
+                UpdateChildCornerRadius(InternalChildren[0], CornerRadiusDict[orientation][ChildLocation.Single]);
+            }
+            else
+            {
+                UpdateChildCornerRadius(InternalChildren[0], CornerRadiusDict[orientation][ChildLocation.First]);
+
+                var childMargin = orientation == Orientation.Horizontal
+                    ? new Thickness(-1, 0, 0, 0)
+                    : new Thickness(0, -1, 0, 0);
+
+                for (var childIndex = 1; childIndex < childrenCount; childIndex++)
+                {
+                    var child = InternalChildren[childIndex];
+                    child.SetCurrentValue(MarginProperty, childMargin);
+                    UpdateChildCornerRadius(child, CornerRadiusDict[orientation][ChildLocation.Middle]);
+                }
+
+                var lastChild = InternalChildren[childrenCount - 1];
+                lastChild.SetCurrentValue(MarginProperty, childMargin);
+                UpdateChildCornerRadius(lastChild, CornerRadiusDict[orientation][ChildLocation.Last]);
+            }
+        }
+
+        private static void UpdateChildCornerRadius(DependencyObject child, CornerRadius cornerRadius)
+        {
+            if (child is Border border)
+            {
+                border.SetCurrentValue(Border.CornerRadiusProperty, cornerRadius);
+            }
+            else
+            {
+                BorderElement.SetCornerRadius(child, cornerRadius);
+            }
+        }
+
+        private void ElementAdded_LostFocus(object sender, RoutedEventArgs e)
+        {
+            if (sender is UIElement element)
+            {
+                SetZIndex(element, 0);
+            }
+        }
+
+        private void ElementAdded_GotFocus(object sender, RoutedEventArgs e)
+        {
+            if (sender is UIElement element)
+            {
+                SetZIndex(element, int.MaxValue);
+            }
+        }
+
+        private enum ChildLocation
+        {
+            Single,
+            First,
+            Middle,
+            Last
+        }
+    }
+}

src/Shared/HandyControl_Shared/Controls/Panel/FlexPanel.cs

@@ -16,7 +16,7 @@ namespace HandyControl.Controls
 
         private int _lineCount;
 
-        private readonly List<FlexItemInfo> _orderList = new List<FlexItemInfo>();
+        private readonly List<FlexItemInfo> _orderList = new();
 
         #region Item
 
@@ -193,7 +193,7 @@ namespace HandyControl.Controls
                         curLineSize = sz;
                         _lineCount++;
 
-                        if (MathHelper.GreaterThan(sz.U, _uvConstraint.U)) //the element is wider then the constrint - give it a separate line                    
+                        if (MathHelper.GreaterThan(sz.U, _uvConstraint.U)) //the element is wider then the constrint - give it a separate line
                         {
                             panelSize.U = Math.Max(sz.U, panelSize.U);
                             panelSize.V += sz.V;
@@ -260,7 +260,7 @@ namespace HandyControl.Controls
                         lineIndex++;
                         curLineSizeArr[lineIndex] = sz;
 
-                        if (MathHelper.GreaterThan(sz.U, uvFinalSize.U)) //the element is wider then the constraint - give it a separate line                    
+                        if (MathHelper.GreaterThan(sz.U, uvFinalSize.U)) //the element is wider then the constraint - give it a separate line
                         {
                             //switch to next line which only contain one element
                             lastInLineArr[lineIndex] = i;
@@ -399,7 +399,7 @@ namespace HandyControl.Controls
                         lineIndex++;
                         itemsU = 0;
 
-                        if (i >= lastInLineArr[lineIndex]) //the element is wider then the constraint - give it a separate line                    
+                        if (i >= lastInLineArr[lineIndex]) //the element is wider then the constraint - give it a separate line
                         {
                             //switch to next line which only contain one element
                             ArrangeLine(new FlexLineInfo
@@ -507,7 +507,7 @@ namespace HandyControl.Controls
                     {
                         flexGrowItem = constraintFreeU / flexGrowSum;
                         lineInfo.ScaleU = 1;
-                        lineFreeU = 0; //line free U was used up 
+                        lineFreeU = 0; //line free U was used up
                     }
 
                     for (var i = 0; i < itemCount; i++)
@@ -543,7 +543,7 @@ namespace HandyControl.Controls
                     {
                         flexShrinkItem = constraintFreeU / flexShrinkSum;
                         lineInfo.ScaleU = 1;
-                        lineFreeU = 0; //line free U was used up 
+                        lineFreeU = 0; //line free U was used up
                     }
 
                     for (var i = 0; i < itemCount; i++)
@@ -648,7 +648,12 @@ namespace HandyControl.Controls
 
             public int Index { get; }
 
-            public int CompareTo(FlexItemInfo other) => Order.CompareTo(other.Order);
+            public int CompareTo(FlexItemInfo other)
+            {
+                var orderCompare = Order.CompareTo(other.Order);
+                if (orderCompare != 0) return orderCompare;
+                return Index.CompareTo(other.Index);
+            }
         }
 
         private struct FlexLineInfo

src/Shared/HandyControl_Shared/Controls/Panel/Grid/Col.cs

@@ -32,7 +32,7 @@ namespace HandyControl.Controls
         private static bool OnSpanValidate(object value)
         {
             var v = (int) value;
-            return v >= 1 && v <= 24;
+            return v is >= 1 and <= 24;
         }
 
         public int Span

src/Shared/HandyControl_Shared/Controls/Panel/UniformSpacingPanel.cs

@@ -84,7 +84,7 @@ namespace HandyControl.Controls
             return double.IsNaN(v) || v >= 0.0d && !double.IsPositiveInfinity(v);
         }
 
-        private void ArrangeLine(double v, double lineV, int start, int end, bool useItemU, double itemU, double spacing)
+        private void ArrangeWrapLine(double v, double lineV, int start, int end, bool useItemU, double itemU, double spacing)
         {
             double u = 0;
             var isHorizontal = _orientation == Orientation.Horizontal;
@@ -104,6 +104,26 @@ namespace HandyControl.Controls
             }
         }
 
+        private void ArrangeLine(double lineV, bool useItemU, double itemU, double spacing)
+        {
+            double u = 0;
+            var isHorizontal = _orientation == Orientation.Horizontal;
+
+            var children = InternalChildren;
+            for (var i = 0; i < children.Count; i++)
+            {
+                var child = children[i];
+                if (child == null) continue;
+
+                var childSize = new UVSize(_orientation, child.DesiredSize.Width, child.DesiredSize.Height);
+                var layoutSlotU = useItemU ? itemU : childSize.U;
+
+                child.Arrange(isHorizontal ? new Rect(u, 0, layoutSlotU, lineV) : new Rect(0, u, lineV, layoutSlotU));
+
+                u += layoutSlotU + spacing;
+            }
+        }
+
         protected override Size MeasureOverride(Size constraint)
         {
             var curLineSize = new UVSize(_orientation);
@@ -123,35 +143,69 @@ namespace HandyControl.Controls
             var children = InternalChildren;
             var isFirst = true;
 
-            for (int i = 0, count = children.Count; i < count; i++)
+            if (childWrapping == VisualWrapping.Wrap)
             {
-                var child = children[i];
-                if (child == null) continue;
-
-                child.Measure(childConstraint);
-
-                var sz = new UVSize(
-                    _orientation,
-                    itemWidthSet ? itemWidth : child.DesiredSize.Width,
-                    itemHeightSet ? itemHeight : child.DesiredSize.Height);
-
-                if (childWrapping == VisualWrapping.Wrap && MathHelper.GreaterThan(curLineSize.U + sz.U + spacing, uvConstraint.U))
+                for (int i = 0, count = children.Count; i < count; i++)
                 {
-                    panelSize.U = Math.Max(curLineSize.U, panelSize.U);
-                    panelSize.V += curLineSize.V + spacing;
-                    curLineSize = sz;
+                    var child = children[i];
+                    if (child == null) continue;
 
-                    if (MathHelper.GreaterThan(sz.U, uvConstraint.U))
+                    child.Measure(childConstraint);
+
+                    var sz = new UVSize(
+                        _orientation,
+                        itemWidthSet ? itemWidth : child.DesiredSize.Width,
+                        itemHeightSet ? itemHeight : child.DesiredSize.Height);
+
+                    if (MathHelper.GreaterThan(curLineSize.U + sz.U + spacing, uvConstraint.U))
                     {
-                        panelSize.U = Math.Max(sz.U, panelSize.U);
-                        panelSize.V += sz.V + spacing;
-                        curLineSize = new UVSize(_orientation);
-                    }
+                        panelSize.U = Math.Max(curLineSize.U, panelSize.U);
+                        panelSize.V += curLineSize.V + spacing;
+                        curLineSize = sz;
 
-                    isFirst = true;
+                        if (MathHelper.GreaterThan(sz.U, uvConstraint.U))
+                        {
+                            panelSize.U = Math.Max(sz.U, panelSize.U);
+                            panelSize.V += sz.V + spacing;
+                            curLineSize = new UVSize(_orientation);
+                        }
+
+                        isFirst = true;
+                    }
+                    else
+                    {
+                        curLineSize.U += isFirst ? sz.U : sz.U + spacing;
+                        curLineSize.V = Math.Max(sz.V, curLineSize.V);
+
+                        isFirst = false;
+                    }
+                }
+            }
+            else
+            {
+                var layoutSlotSize = constraint;
+
+                if (_orientation == Orientation.Horizontal)
+                {
+                    layoutSlotSize.Width = double.PositiveInfinity;
                 }
                 else
                 {
+                    layoutSlotSize.Height = double.PositiveInfinity;
+                }
+
+                for (int i = 0, count = children.Count; i < count; ++i)
+                {
+                    var child = children[i];
+                    if (child == null) continue;
+
+                    child.Measure(layoutSlotSize);
+
+                    var sz = new UVSize(
+                        _orientation,
+                        itemWidthSet ? itemWidth : child.DesiredSize.Width,
+                        itemHeightSet ? itemHeight : child.DesiredSize.Height);
+
                     curLineSize.U += isFirst ? sz.U : sz.U + spacing;
                     curLineSize.V = Math.Max(sz.V, curLineSize.V);
 
@@ -183,46 +237,53 @@ namespace HandyControl.Controls
             var children = InternalChildren;
             var isFirst = true;
 
-            for (int i = 0, count = children.Count; i < count; i++)
+            if (childWrapping == VisualWrapping.Wrap)
             {
-                var child = children[i];
-                if (child == null) continue;
-
-                var sz = new UVSize(
-                    _orientation,
-                    itemWidthSet ? itemWidth : child.DesiredSize.Width,
-                    itemHeightSet ? itemHeight : child.DesiredSize.Height);
-
-                if (childWrapping == VisualWrapping.Wrap && MathHelper.GreaterThan(curLineSize.U + sz.U + spacing, uvFinalSize.U))
+                for (int i = 0, count = children.Count; i < count; i++)
                 {
-                    ArrangeLine(accumulatedV, curLineSize.V, firstInLine, i, useItemU, itemU, spacing);
+                    var child = children[i];
+                    if (child == null) continue;
 
-                    accumulatedV += curLineSize.V + spacing;
-                    curLineSize = sz;
+                    var sz = new UVSize(
+                        _orientation,
+                        itemWidthSet ? itemWidth : child.DesiredSize.Width,
+                        itemHeightSet ? itemHeight : child.DesiredSize.Height);
 
-                    if (MathHelper.GreaterThan(sz.U, uvFinalSize.U))
+                    if (MathHelper.GreaterThan(curLineSize.U + sz.U + spacing, uvFinalSize.U))
                     {
-                        ArrangeLine(accumulatedV, sz.V, i, ++i, useItemU, itemU, spacing);
+                        ArrangeWrapLine(accumulatedV, curLineSize.V, firstInLine, i, useItemU, itemU, spacing);
 
-                        accumulatedV += sz.V + spacing;
-                        curLineSize = new UVSize(_orientation);
+                        accumulatedV += curLineSize.V + spacing;
+                        curLineSize = sz;
+
+                        if (MathHelper.GreaterThan(sz.U, uvFinalSize.U))
+                        {
+                            ArrangeWrapLine(accumulatedV, sz.V, i, ++i, useItemU, itemU, spacing);
+
+                            accumulatedV += sz.V + spacing;
+                            curLineSize = new UVSize(_orientation);
+                        }
+
+                        firstInLine = i;
+                        isFirst = true;
                     }
+                    else
+                    {
+                        curLineSize.U += isFirst ? sz.U : sz.U + spacing;
+                        curLineSize.V = Math.Max(sz.V, curLineSize.V);
 
-                    firstInLine = i;
-                    isFirst = true;
+                        isFirst = false;
+                    }
                 }
-                else
-                {
-                    curLineSize.U += isFirst ? sz.U : sz.U + spacing;
-                    curLineSize.V = Math.Max(sz.V, curLineSize.V);
 
-                    isFirst = false;
+                if (firstInLine < children.Count)
+                {
+                    ArrangeWrapLine(accumulatedV, curLineSize.V, firstInLine, children.Count, useItemU, itemU, spacing);
                 }
             }
-
-            if (firstInLine < children.Count)
+            else
             {
-                ArrangeLine(accumulatedV, curLineSize.V, firstInLine, children.Count, useItemU, itemU, spacing);
+                ArrangeLine(uvFinalSize.V, useItemU, itemU, spacing);
             }
 
             return finalSize;

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/HorizontalAlignmentPropertyEditor.cs

@@ -14,9 +14,9 @@ namespace HandyControl.Controls
     {
         public override FrameworkElement CreateElement(PropertyItem propertyItem) => new System.Windows.Controls.ComboBox
         {
-            Style = ResourceHelper.GetResource<Style>("ComboBoxCapsule"),
+            Style = ResourceHelper.GetResourceInternal<Style>("ComboBoxCapsule"),
             ItemsSource = Enum.GetValues(propertyItem.PropertyType),
-            ItemTemplateSelector = ResourceHelper.GetResource<DataTemplateSelector>("HorizontalAlignmentPathTemplateSelector"),
+            ItemTemplateSelector = ResourceHelper.GetResourceInternal<DataTemplateSelector>("HorizontalAlignmentPathTemplateSelector"),
             HorizontalAlignment = HorizontalAlignment.Left
         };
 
@@ -48,16 +48,16 @@ namespace HandyControl.Controls
                 switch (horizontalAlignment)
                 {
                     case HorizontalAlignment.Left:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignLeftGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignLeftGeometry"));
                         break;
                     case HorizontalAlignment.Center:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignHCenterGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignHCenterGeometry"));
                         break;
                     case HorizontalAlignment.Right:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignRightGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignRightGeometry"));
                         break;
                     case HorizontalAlignment.Stretch:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignHStretchGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignHStretchGeometry"));
                         break;
                 }
 

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/ReadOnlyTextPropertyEditor.cs

@@ -15,6 +15,6 @@ namespace HandyControl.Controls
 
         public override BindingMode GetBindingMode(PropertyItem propertyItem) => BindingMode.OneWay;
 
-        protected override IValueConverter GetConverter(PropertyItem propertyItem) => ResourceHelper.GetResource<IValueConverter>("Object2StringConverter");
+        protected override IValueConverter GetConverter(PropertyItem propertyItem) => ResourceHelper.GetResourceInternal<IValueConverter>("Object2StringConverter");
     }
 }

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/SwitchPropertyEditor.cs

@@ -8,7 +8,7 @@ namespace HandyControl.Controls
     {
         public override FrameworkElement CreateElement(PropertyItem propertyItem) => new ToggleButton
         {
-            Style = ResourceHelper.GetResource<Style>("ToggleButtonSwitch"),
+            Style = ResourceHelper.GetResourceInternal<Style>("ToggleButtonSwitch"),
             HorizontalAlignment = HorizontalAlignment.Left,
             IsEnabled = !propertyItem.IsReadOnly
         };

src/Shared/HandyControl_Shared/Controls/PropertyGrid/Editors/VerticalAlignmentPropertyEditor.cs

@@ -14,9 +14,9 @@ namespace HandyControl.Controls
     {
         public override FrameworkElement CreateElement(PropertyItem propertyItem) => new System.Windows.Controls.ComboBox
         {
-            Style = ResourceHelper.GetResource<Style>("ComboBoxCapsule"),
+            Style = ResourceHelper.GetResourceInternal<Style>("ComboBoxCapsule"),
             ItemsSource = Enum.GetValues(propertyItem.PropertyType),
-            ItemTemplateSelector = ResourceHelper.GetResource<DataTemplateSelector>("VerticalAlignmentPathTemplateSelector"),
+            ItemTemplateSelector = ResourceHelper.GetResourceInternal<DataTemplateSelector>("VerticalAlignmentPathTemplateSelector"),
             HorizontalAlignment = HorizontalAlignment.Left
         };
 
@@ -48,16 +48,16 @@ namespace HandyControl.Controls
                 switch (verticalAlignment)
                 {
                     case VerticalAlignment.Top:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignTopGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignTopGeometry"));
                         break;
                     case VerticalAlignment.Center:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignVCenterGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignVCenterGeometry"));
                         break;
                     case VerticalAlignment.Bottom:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignBottomGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignBottomGeometry"));
                         break;
                     case VerticalAlignment.Stretch:
-                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResource<Geometry>("AlignVStretchGeometry"));
+                        factory.SetValue(Path.DataProperty, ResourceHelper.GetResourceInternal<Geometry>("AlignVStretchGeometry"));
                         break;
                 }
 

src/Shared/HandyControl_Shared/Controls/PropertyGrid/PropertyGrid.cs

@@ -33,7 +33,7 @@ namespace HandyControl.Controls
             CommandBindings.Add(new CommandBinding(ControlCommands.SortByName, SortByName, (s, e) => e.CanExecute = ShowSortButton));
         }
 
-        public virtual PropertyResolver PropertyResolver { get; } = new PropertyResolver();
+        public virtual PropertyResolver PropertyResolver { get; } = new();
 
         public static readonly RoutedEvent SelectedObjectChangedEvent =
             EventManager.RegisterRoutedEvent("SelectedObjectChanged", RoutingStrategy.Bubble,
@@ -181,7 +181,7 @@ namespace HandyControl.Controls
             }
         }
 
-        protected virtual PropertyItem CreatePropertyItem(PropertyDescriptor propertyDescriptor) => new PropertyItem
+        protected virtual PropertyItem CreatePropertyItem(PropertyDescriptor propertyDescriptor) => new()
         {
             Category = PropertyResolver.ResolveCategory(propertyDescriptor),
             DisplayName = PropertyResolver.ResolveDisplayName(propertyDescriptor),

src/Shared/HandyControl_Shared/Controls/PropertyGrid/PropertyResolver.cs

@@ -10,7 +10,7 @@ namespace HandyControl.Controls
 {
     public class PropertyResolver
     {
-        private static readonly Dictionary<Type, EditorTypeCode> TypeCodeDic = new Dictionary<Type, EditorTypeCode>
+        private static readonly Dictionary<Type, EditorTypeCode> TypeCodeDic = new()
         {
             [typeof(string)] = EditorTypeCode.PlainText,
             [typeof(sbyte)] = EditorTypeCode.SByteNumber,
@@ -99,10 +99,10 @@ namespace HandyControl.Controls
                     _ => new ReadOnlyTextPropertyEditor()
                 }
                 : type.IsSubclassOf(typeof(Enum))
-                    ? (PropertyEditorBase) new EnumPropertyEditor()
+                    ? new EnumPropertyEditor()
                     : new ReadOnlyTextPropertyEditor();
 
-        public virtual PropertyEditorBase CreateEditor(Type type) => new ReadOnlyTextPropertyEditor();
+        public virtual PropertyEditorBase CreateEditor(Type type) => Activator.CreateInstance(type) as PropertyEditorBase ?? new ReadOnlyTextPropertyEditor();
 
         private enum EditorTypeCode
         {

src/Shared/HandyControl_Shared/Controls/Screenshot/ScreenshotWindow.cs

@@ -33,7 +33,7 @@ namespace HandyControl.Controls
 
         private BitmapSource _imageSource;
 
-        private static readonly Guid BmpGuid = new Guid("{b96b3cab-0728-11d3-9d7b-0000f81ef32e}");
+        private static readonly Guid BmpGuid = new("{b96b3cab-0728-11d3-9d7b-0000f81ef32e}");
 
         #region const
 
@@ -188,7 +188,7 @@ namespace HandyControl.Controls
 
         public ScreenshotWindow(Screenshot screenshot)
         {
-            Style = ResourceHelper.GetResource<Style>(ResourceToken.Window4ScreenshotStyle);
+            Style = ResourceHelper.GetResourceInternal<Style>(ResourceToken.Window4ScreenshotStyle);
             _screenshot = screenshot;
             DataContext = this;
 

src/Shared/HandyControl_Shared/Controls/SideMenu/SideMenuItem.cs

@@ -149,7 +149,7 @@ namespace HandyControl.Controls
             if (Role == SideMenuItemRole.Header && ItemsHost.Children.Count > 0)
             {
                 var item = ItemsHost.Children.OfType<SideMenuItem>().FirstOrDefault();
-                if (item != null && !item.IsSelected)
+                if (item is { IsSelected: false })
                 {
                     item.OnSelected(new RoutedEventArgs(SelectedEvent, item));
                 }

src/Shared/HandyControl_Shared/Controls/Slider/PreviewSlider.cs

@@ -165,7 +165,7 @@ namespace HandyControl.Controls
             {
                 layer.Remove(_adorner);
             }
-            else if (_adorner != null && _adorner.Parent is AdornerLayer parent)
+            else if (_adorner is { Parent: AdornerLayer parent })
             {
                 parent.Remove(_adorner);
             }

src/Shared/HandyControl_Shared/Controls/Slider/RangeSlider/RangeSlider.cs

@@ -248,7 +248,7 @@ namespace HandyControl.Controls
 
         protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e)
         {
-            if (IsMoveToPointEnabled && _track.ThumbStart != null && !_track.ThumbStart.IsMouseOver && _track.ThumbEnd != null && !_track.ThumbEnd.IsMouseOver)
+            if (IsMoveToPointEnabled && _track.ThumbStart is { IsMouseOver: false } && _track.ThumbEnd is { IsMouseOver: false })
             {
                 // Here we need to determine whether it's closer to the starting point or the end point. 
                 var pt = e.MouseDevice.GetPosition(_track);
@@ -301,7 +301,7 @@ namespace HandyControl.Controls
             {
                 // If ticks collection is available, use it.
                 // Note that ticks may be unsorted.
-                if (Ticks != null && Ticks.Count > 0)
+                if (Ticks is { Count: > 0 })
                 {
                     foreach (var tick in Ticks)
                     {
@@ -341,7 +341,7 @@ namespace HandyControl.Controls
             var previous = Minimum;
             var next = Maximum;
 
-            if (Ticks != null && Ticks.Count > 0)
+            if (Ticks is { Count: > 0 })
             {
                 foreach (var tick in Ticks)
                 {
@@ -429,7 +429,7 @@ namespace HandyControl.Controls
         {
             // Show AutoToolTip if needed.
 
-            if (!(e.OriginalSource is RangeThumb thumb)) return;
+            if (e.OriginalSource is not RangeThumb thumb) return;
             _thumbCurrent = thumb;
             _originThumbPoint = Mouse.GetPosition(_thumbCurrent);
             _thumbCurrent.StartDrag();
@@ -531,7 +531,7 @@ namespace HandyControl.Controls
 
         protected virtual void OnThumbDragDelta(DragDeltaEventArgs e)
         {
-            if (!(e.OriginalSource is Thumb thumb)) return;
+            if (e.OriginalSource is not Thumb thumb) return;
             var isStart = thumb.Equals(_track.ThumbStart);
             if (!isStart)
             {
@@ -579,7 +579,7 @@ namespace HandyControl.Controls
         {
             // Show AutoToolTip if needed.
 
-            if (!(e.OriginalSource is Thumb thumb) || AutoToolTipPlacement == AutoToolTipPlacement.None)
+            if (e.OriginalSource is not Thumb thumb || AutoToolTipPlacement == AutoToolTipPlacement.None)
             {
                 return;
             }

src/Shared/HandyControl_Shared/Controls/Slider/RangeSlider/RangeTrack.cs

@@ -397,10 +397,7 @@ namespace HandyControl.Controls
         {
             if (oldValue != newValue)
             {
-                if (_visualChildren == null)
-                {
-                    _visualChildren = new Visual[5];
-                }
+                _visualChildren ??= new Visual[5];
 
                 if (oldValue != null)
                 {

src/Shared/HandyControl_Shared/Controls/TabControl/TabControl.cs

@@ -236,7 +236,7 @@ namespace HandyControl.Controls
             {
                 for (var i = 0; i < Items.Count; i++)
                 {
-                    if (!(ItemContainerGenerator.ContainerFromIndex(i) is TabItem item)) return;
+                    if (ItemContainerGenerator.ContainerFromIndex(i) is not TabItem item) return;
                     item.Measure(new Size(double.PositiveInfinity, double.PositiveInfinity));
                     item.TabPanel = HeaderPanel;
                 }
@@ -321,7 +321,7 @@ namespace HandyControl.Controls
                 _buttonOverflow.Menu.Items.Clear();
                 for (var i = 0; i < Items.Count; i++)
                 {
-                    if (!(ItemContainerGenerator.ContainerFromIndex(i) is TabItem item)) continue;
+                    if (ItemContainerGenerator.ContainerFromIndex(i) is not TabItem item) continue;
 
                     var menuItem = new MenuItem
                     {
@@ -350,14 +350,10 @@ namespace HandyControl.Controls
                         {
                             list.Remove(actualItem);
                             list.Insert(0, actualItem);
-                            if (IsAnimationEnabled)
-                            {
-                                HeaderPanel.SetValue(TabPanel.FluidMoveDurationPropertyKey, new Duration(TimeSpan.FromMilliseconds(200)));
-                            }
-                            else
-                            {
-                                HeaderPanel.SetValue(TabPanel.FluidMoveDurationPropertyKey, new Duration(TimeSpan.FromMilliseconds(0)));
-                            }
+                            HeaderPanel.SetValue(TabPanel.FluidMoveDurationPropertyKey,
+                                IsAnimationEnabled
+                                    ? new Duration(TimeSpan.FromMilliseconds(200))
+                                    : new Duration(TimeSpan.FromMilliseconds(0)));
                             HeaderPanel.ForceUpdate = true;
                             HeaderPanel.Measure(new Size(HeaderPanel.DesiredSize.Width, ActualHeight));
                             HeaderPanel.ForceUpdate = false;
@@ -396,7 +392,7 @@ namespace HandyControl.Controls
                 {
                     var argsClosing = new CancelRoutedEventArgs(TabItem.ClosingEvent, item);
 
-                    if (!(ItemContainerGenerator.ContainerFromItem(item) is TabItem tabItem)) continue;
+                    if (ItemContainerGenerator.ContainerFromItem(item) is not TabItem tabItem) continue;
 
                     tabItem.RaiseEvent(argsClosing);
                     if (argsClosing.Cancel) return;

src/Shared/HandyControl_Shared/Controls/TabControl/TabItem.cs

@@ -208,7 +208,7 @@ namespace HandyControl.Controls
                 menu.SetBinding(VisibilityProperty, new Binding(ShowContextMenuProperty.Name)
                 {
                     Source = this,
-                    Converter = ResourceHelper.GetResource<IValueConverter>(ResourceToken.Boolean2VisibilityConverter)
+                    Converter = ResourceHelper.GetResourceInternal<IValueConverter>(ResourceToken.Boolean2VisibilityConverter)
                 });
             }
         }

src/Shared/HandyControl_Shared/Controls/TabControl/TabPanel.cs

@@ -20,7 +20,7 @@ namespace HandyControl.Controls
         /// <summary>
         ///     选项卡字典
         /// </summary>
-        internal Dictionary<int, TabItem> ItemDic = new Dictionary<int, TabItem>();
+        internal Dictionary<int, TabItem> ItemDic = new();
 
         public static readonly DependencyPropertyKey FluidMoveDurationPropertyKey =
             DependencyProperty.RegisterReadOnly("FluidMoveDuration", typeof(Duration), typeof(TabPanel),

src/Shared/HandyControl_Shared/Controls/Text/OutlineText.cs

@@ -1,10 +1,10 @@
 using System;
 using System.ComponentModel;
-using System.Globalization;
 using System.Windows;
 using System.Windows.Documents;
 using System.Windows.Media;
 using HandyControl.Data;
+using HandyControl.Tools.Helper;
 
 namespace HandyControl.Controls
 {
@@ -201,27 +201,8 @@ namespace HandyControl.Controls
                 return;
             }
 
-#if NET40 || NET45 || NET451 || NET452 || NET46|| NET461
-            _formattedText = new FormattedText(
-                Text,
-                CultureInfo.CurrentUICulture,
-                FlowDirection,
-                new Typeface(FontFamily, FontStyle, FontWeight, FontStretch),
-                FontSize, Fill);
-#else
-            var source = PresentationSource.FromVisual(this);
-            var dpi = 1.0;
-            if (source?.CompositionTarget != null)
-            {
-                dpi = 96.0 * source.CompositionTarget.TransformToDevice.M11 / 96.0;
-            }
-            _formattedText = new FormattedText(
-                Text,
-                CultureInfo.CurrentUICulture,
-                FlowDirection,
-                new Typeface(FontFamily, FontStyle, FontWeight, FontStretch),
-                FontSize, Fill, dpi);
-#endif
+            _formattedText = TextHelper.CreateFormattedText(Text, FlowDirection,
+                new Typeface(FontFamily, FontStyle, FontWeight, FontStretch), FontSize);
 
             UpdateFormattedText();
         }

src/Shared/HandyControl_Shared/Controls/Text/SimpleText.cs

@@ -1,10 +1,10 @@
 using System;
 using System.ComponentModel;
-using System.Globalization;
 using System.Windows;
 using System.Windows.Documents;
 using System.Windows.Media;
 using HandyControl.Data;
+using HandyControl.Tools.Helper;
 
 namespace HandyControl.Controls
 {
@@ -129,27 +129,8 @@ namespace HandyControl.Controls
                 return;
             }
 
-#if NET40 || NET45 || NET451 || NET452 || NET46|| NET461
-            _formattedText = new FormattedText(
-                Text,
-                CultureInfo.CurrentUICulture,
-                FlowDirection,
-                new Typeface(FontFamily, FontStyle, FontWeight, FontStretch),
-                FontSize, Foreground);
-#else
-            var source = PresentationSource.FromVisual(this);
-            var dpi = 1.0;
-            if (source?.CompositionTarget != null)
-            {
-                dpi = 96.0 * source.CompositionTarget.TransformToDevice.M11 / 96.0;
-            }
-            _formattedText = new FormattedText(
-                Text,
-                CultureInfo.CurrentUICulture,
-                FlowDirection,
-                new Typeface(FontFamily, FontStyle, FontWeight, FontStretch),
-                FontSize, Foreground, dpi);
-#endif
+            _formattedText = TextHelper.CreateFormattedText(Text, FlowDirection,
+                new Typeface(FontFamily, FontStyle, FontWeight, FontStretch), FontSize);
 
             UpdateFormattedText();
         }

src/Shared/HandyControl_Shared/Controls/Time/CalendarWithClock.cs

@@ -173,11 +173,7 @@ namespace HandyControl.Controls
         {
             if (value)
             {
-                if (_isHandlerSuspended == null)
-                {
-                    _isHandlerSuspended = new Dictionary<DependencyProperty, bool>(2);
-                }
-
+                _isHandlerSuspended ??= new Dictionary<DependencyProperty, bool>(2);
                 _isHandlerSuspended[property] = true;
             }
             else

src/Shared/HandyControl_Shared/Controls/Time/Clock/ListClock.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Windows;
 using System.Windows.Controls;
 
@@ -110,6 +111,7 @@ namespace HandyControl.Controls
             selector.ItemsSource = list;
         }
 
+        [SuppressMessage("ReSharper", "MergeIntoPattern")]
         private void Update()
         {
             if (_hourList.SelectedIndex >= 0 && _hourList.SelectedIndex < 24 &&

src/Shared/HandyControl_Shared/Controls/Time/FlipClock/FlipNumber.cs

@@ -240,10 +240,10 @@ namespace HandyControl.Controls
 
             var positions = new Point3DCollection
             {
-                new Point3D(-quarterWidth * flag, quarterHeight, 0),
-                new Point3D(-quarterWidth * flag, 0, 0),
-                new Point3D(quarterWidth * flag, 0, 0),
-                new Point3D(quarterWidth * flag, quarterHeight, 0)
+                new(-quarterWidth * flag, quarterHeight, 0),
+                new(-quarterWidth * flag, 0, 0),
+                new(quarterWidth * flag, 0, 0),
+                new(quarterWidth * flag, quarterHeight, 0)
             };
 
             var triangleIndices = new Int32Collection
@@ -258,10 +258,10 @@ namespace HandyControl.Controls
 
             var textureCoordinates = new PointCollection
             {
-                new Point(0, 0),
-                new Point(0, 1),
-                new Point(1, 1),
-                new Point(1, 0)
+                new(0, 0),
+                new(0, 1),
+                new(1, 1),
+                new(1, 0)
             };
 
             var geometry3D = new MeshGeometry3D

src/Shared/HandyControl_Shared/Controls/Time/TimeBar/TimeBar.cs

@@ -114,7 +114,7 @@ namespace HandyControl.Controls
 
         private static void OnSelectedTimeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
         {
-            if (d is TimeBar timeBar && timeBar._textBlockSelected != null)
+            if (d is TimeBar { _textBlockSelected: { } } timeBar)
             {
                 timeBar.OnSelectedTimeChanged((DateTime) e.NewValue);
             }
@@ -150,7 +150,7 @@ namespace HandyControl.Controls
         /// <summary>
         ///     刻度集合
         /// </summary>
-        private readonly List<SpeTextBlock> _speBlockList = new List<SpeTextBlock>();
+        private readonly List<SpeTextBlock> _speBlockList = new();
 
         /// <summary>
         ///     初始化时时间
@@ -160,7 +160,7 @@ namespace HandyControl.Controls
         /// <summary>
         ///     时间段集合
         /// </summary>
-        private readonly List<int> _timeSpeList = new List<int>
+        private readonly List<int> _timeSpeList = new()
         {
             7200000,
             3600000,
@@ -403,25 +403,17 @@ namespace HandyControl.Controls
         /// <returns></returns>
         private DateTime TimeConvert(DateTime time)
         {
-            switch (_speIndex)
+            return _speIndex switch
             {
-                case 0:
-                    return new DateTime(time.Year, time.Month, time.Day, time.Hour / 2 * 2, 0, 0);
-                case 1:
-                    return new DateTime(time.Year, time.Month, time.Day, time.Hour, 0, 0);
-                case 2:
-                    return new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute / 30 * 30, 0);
-                case 3:
-                    return new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute / 10 * 10, 0);
-                case 4:
-                    return new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute / 5 * 5, 0);
-                case 5:
-                    return new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute, 0);
-                case 6:
-                    return new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute, time.Second / 30 * 30);
-                default:
-                    return time;
-            }
+                0 => new DateTime(time.Year, time.Month, time.Day, time.Hour / 2 * 2, 0, 0),
+                1 => new DateTime(time.Year, time.Month, time.Day, time.Hour, 0, 0),
+                2 => new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute / 30 * 30, 0),
+                3 => new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute / 10 * 10, 0),
+                4 => new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute / 5 * 5, 0),
+                5 => new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute, 0),
+                6 => new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute, time.Second / 30 * 30),
+                _ => time
+            };
         }
 
         /// <summary>

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

@@ -22,9 +22,9 @@ namespace HandyControl.Controls
 
         private const string ElementItemsSelected = "PART_ItemsSelected";
 
-        private readonly Dictionary<object, TransferEntry> _entryDic = new Dictionary<object, TransferEntry>();
+        private readonly Dictionary<object, TransferEntry> _entryDic = new();
 
-        private readonly List<TransferEntry> _entryList = new List<TransferEntry>();
+        private readonly List<TransferEntry> _entryList = new();
 
         private SimpleItemsControl _itemsOrigin;
 

src/Shared/HandyControl_Shared/Controls/Window/BlurWindow.cs

@@ -1,7 +1,7 @@
 using System.Runtime.InteropServices;
-using System.Windows.Media;
 using HandyControl.Data;
 using HandyControl.Tools;
+using HandyControl.Tools.Helper;
 using HandyControl.Tools.Interop;
 
 namespace HandyControl.Controls
@@ -14,36 +14,32 @@ namespace HandyControl.Controls
             EnableBlur(this);
         }
 
-        private static SystemVersionInfo GetSystemVersionInfo()
-        {
-            var osv = new InteropValues.RTL_OSVERSIONINFOEX();
-            osv.dwOSVersionInfoSize = (uint) Marshal.SizeOf(osv);
-            InteropMethods.Gdip.RtlGetVersion(out osv);
-            return new SystemVersionInfo((int) osv.dwMajorVersion, (int) osv.dwMinorVersion, (int) osv.dwBuildNumber);
-        }
-
         internal static void EnableBlur(Window window)
         {
-            var versionInfo = GetSystemVersionInfo();
-
-            if (versionInfo < SystemVersionInfo.Windows10 ||
-                versionInfo >= SystemVersionInfo.Windows10_1903)
-            {
-                var colorValue = ResourceHelper.GetResource<uint>(ResourceToken.BlurGradientValue);
-                var color = ColorHelper.ToColor(colorValue);
-                color = Color.FromRgb(color.R, color.G, color.B);
-                window.Background = new SolidColorBrush(color);
-                return;
-            }
+            var versionInfo = SystemHelper.GetSystemVersionInfo();
 
             var accentPolicy = new InteropValues.ACCENTPOLICY();
             var accentPolicySize = Marshal.SizeOf(accentPolicy);
 
-            accentPolicy.AccentState = versionInfo < SystemVersionInfo.Windows10_1809
-                ? InteropValues.ACCENTSTATE.ACCENT_ENABLE_BLURBEHIND
-                : InteropValues.ACCENTSTATE.ACCENT_ENABLE_ACRYLICBLURBEHIND;
-
             accentPolicy.AccentFlags = 2;
+
+            if (versionInfo >= SystemVersionInfo.Windows10_1903)
+            {
+                accentPolicy.AccentState = InteropValues.ACCENTSTATE.ACCENT_ENABLE_BLURBEHIND;
+            }
+            else if (versionInfo >= SystemVersionInfo.Windows10_1809)
+            {
+                accentPolicy.AccentState = InteropValues.ACCENTSTATE.ACCENT_ENABLE_ACRYLICBLURBEHIND;
+            }
+            else if (versionInfo >= SystemVersionInfo.Windows10)
+            {
+                accentPolicy.AccentState = InteropValues.ACCENTSTATE.ACCENT_ENABLE_BLURBEHIND;
+            }
+            else
+            {
+                accentPolicy.AccentState = InteropValues.ACCENTSTATE.ACCENT_ENABLE_TRANSPARENTGRADIENT;
+            }
+
             accentPolicy.GradientColor = ResourceHelper.GetResource<uint>(ResourceToken.BlurGradientValue);
 
             var accentPtr = Marshal.AllocHGlobal(accentPolicySize);

src/Shared/HandyControl_Shared/Controls/Window/MessageBox.cs

@@ -248,8 +248,8 @@ namespace HandyControl.Controls
                 messageBox = CreateMessageBox(null, messageBoxText, caption, MessageBoxButton.OK, MessageBoxImage.None, MessageBoxResult.OK);
                 SetButtonStatus(messageBox, MessageBoxButton.OK, MessageBoxResult.OK);
                 messageBox.ShowImage = true;
-                messageBox.Image = ResourceHelper.GetResource<Geometry>(ResourceToken.SuccessGeometry);
-                messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(ResourceToken.SuccessBrush);
+                messageBox.Image = ResourceHelper.GetResourceInternal<Geometry>(ResourceToken.SuccessGeometry);
+                messageBox.ImageBrush = ResourceHelper.GetResourceInternal<Brush>(ResourceToken.SuccessBrush);
                 SystemSounds.Asterisk.Play();
                 messageBox.ShowDialog();
             }));
@@ -330,8 +330,8 @@ namespace HandyControl.Controls
                 messageBox = CreateMessageBox(null, messageBoxText, caption, MessageBoxButton.OK, MessageBoxImage.None, MessageBoxResult.OK);
                 SetButtonStatus(messageBox, MessageBoxButton.OK, MessageBoxResult.OK);
                 messageBox.ShowImage = true;
-                messageBox.Image = ResourceHelper.GetResource<Geometry>(ResourceToken.FatalGeometry);
-                messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(ResourceToken.PrimaryTextBrush);
+                messageBox.Image = ResourceHelper.GetResourceInternal<Geometry>(ResourceToken.FatalGeometry);
+                messageBox.ImageBrush = ResourceHelper.GetResourceInternal<Brush>(ResourceToken.PrimaryTextBrush);
                 SystemSounds.Asterisk.Play();
                 messageBox.ShowDialog();
             }));
@@ -375,13 +375,13 @@ namespace HandyControl.Controls
                 if (!string.IsNullOrEmpty(info.IconKey))
                 {
                     messageBox.ShowImage = true;
-                    messageBox.Image = ResourceHelper.GetResource<Geometry>(info.IconKey);
-                    messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(info.IconBrushKey);
+                    messageBox.Image = ResourceHelper.GetResourceInternal<Geometry>(info.IconKey);
+                    messageBox.ImageBrush = ResourceHelper.GetResourceInternal<Brush>(info.IconBrushKey);
                 }
 
                 if (info.StyleKey != null)
                 {
-                    messageBox.Style = ResourceHelper.GetResource<Style>(info.StyleKey);
+                    messageBox.Style = ResourceHelper.GetResourceInternal<Style>(info.StyleKey);
                 }
                 SystemSounds.Asterisk.Play();
                 messageBox.ShowDialog();
@@ -477,7 +477,7 @@ namespace HandyControl.Controls
                         IsDefault = true,
                         Content = Lang.Confirm,
                         Command = ControlCommands.Confirm,
-                        Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle")
+                        Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle")
                     };
 
                     break;
@@ -499,15 +499,15 @@ namespace HandyControl.Controls
 
                     if (defaultResult == MessageBoxResult.Cancel)
                     {
-                        messageBox._buttonOk.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonOk.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonCancel.IsDefault = true;
                     }
                     else
                     {
-                        messageBox._buttonOk.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonOk.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonOk.IsDefault = true;
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
                     }
 
                     break;
@@ -528,15 +528,15 @@ namespace HandyControl.Controls
 
                     if (defaultResult == MessageBoxResult.No)
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonNo.IsDefault = true;
                     }
                     else
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonYes.IsDefault = true;
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
                     }
 
                     break;
@@ -565,24 +565,24 @@ namespace HandyControl.Controls
 
                     if (defaultResult == MessageBoxResult.No)
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonNo.IsDefault = true;
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
                     }
                     else if (defaultResult == MessageBoxResult.Cancel)
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonCancel.IsDefault = true;
                     }
                     else
                     {
-                        messageBox._buttonYes.Style = ResourceHelper.GetResource<Style>("MessageBoxPrimaryButtonStyle");
+                        messageBox._buttonYes.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxPrimaryButtonStyle");
                         messageBox._buttonYes.IsDefault = true;
-                        messageBox._buttonNo.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
-                        messageBox._buttonCancel.Style = ResourceHelper.GetResource<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonNo.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
+                        messageBox._buttonCancel.Style = ResourceHelper.GetResourceInternal<Style>("MessageBoxButtonStyle");
                     }
 
                     break;
@@ -616,8 +616,8 @@ namespace HandyControl.Controls
 
             if (string.IsNullOrEmpty(iconKey)) return;
             messageBox.ShowImage = true;
-            messageBox.Image = ResourceHelper.GetResource<Geometry>(iconKey);
-            messageBox.ImageBrush = ResourceHelper.GetResource<Brush>(iconBrushKey);
+            messageBox.Image = ResourceHelper.GetResourceInternal<Geometry>(iconKey);
+            messageBox.ImageBrush = ResourceHelper.GetResourceInternal<Brush>(iconBrushKey);
         }
 
         private static bool IsValidMessageBoxButton(MessageBoxButton value)
@@ -628,6 +628,7 @@ namespace HandyControl.Controls
                    || value == MessageBoxButton.YesNoCancel;
         }
 
+        [SuppressMessage("ReSharper", "ConditionIsAlwaysTrueOrFalse")]
         private static bool IsValidMessageBoxImage(MessageBoxImage value)
         {
             return value == MessageBoxImage.Asterisk

src/Shared/HandyControl_Shared/Controls/Window/PopupWindow.cs

@@ -187,7 +187,7 @@ namespace HandyControl.Controls
                 WindowStyle = WindowStyle.None,
                 ContentStr = message,
                 WindowStartupLocation = WindowStartupLocation.CenterScreen,
-                Background = ResourceHelper.GetResource<Brush>(ResourceToken.PrimaryBrush)
+                Background = ResourceHelper.GetResourceInternal<Brush>(ResourceToken.PrimaryBrush)
             };
             window.Show();
         }