completed the branch

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

@@ -1,6 +1,9 @@
-using System.Windows;
+using System;
+using System.Windows;
 using System.Windows.Input;
+using System.Windows.Interop;
 using HandyControl.Data;
+using HandyControl.Tools.Interop;
 
 namespace HandyControl.Controls
 {
@@ -21,7 +24,7 @@ namespace HandyControl.Controls
             {
                 if ((bool)e.NewValue)
                 {
-                    ctl.MouseLeftButtonDown += DragElement_MouseLeftButtonDown; ;
+                    ctl.MouseLeftButtonDown += DragElement_MouseLeftButtonDown;
                 }
                 else
                 {
@@ -69,5 +72,40 @@ namespace HandyControl.Controls
 
         public static bool GetIgnoreAltF4(DependencyObject element)
             => (bool) element.GetValue(IgnoreAltF4Property);
+
+        public static readonly DependencyProperty ShowInTaskManagerProperty = DependencyProperty.RegisterAttached(
+            "ShowInTaskManager", typeof(bool), typeof(WindowAttach), new PropertyMetadata(ValueBoxes.TrueBox, OnShowInTaskManagerChanged));
+
+        private static void OnShowInTaskManagerChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+        {
+            if (d is System.Windows.Window window)
+            {
+                if ((bool)e.NewValue)
+                {
+                    window.SourceInitialized -= Window_SourceInitialized;
+                }
+                else
+                {
+                    window.SourceInitialized += Window_SourceInitialized;
+                }
+            }
+        }
+
+        private static void Window_SourceInitialized(object sender, EventArgs e)
+        {
+            if (sender is System.Windows.Window window)
+            {
+                var _ = new WindowInteropHelper(window)
+                {
+                    Owner = NativeMethods.GetDesktopWindow()
+                };
+            }
+        }
+
+        public static void SetShowInTaskManager(DependencyObject element, bool value)
+            => element.SetValue(ShowInTaskManagerProperty, value);
+
+        public static bool GetShowInTaskManager(DependencyObject element)
+            => (bool) element.GetValue(ShowInTaskManagerProperty);
     }
 }

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

@@ -1,8 +1,5 @@
-using System;
-using System.Windows;
+using System.Windows;
 using System.Windows.Controls;
-using System.Windows.Interop;
-using HandyControl.Tools.Interop;
 
 namespace HandyControl.Controls
 {
@@ -26,16 +23,6 @@ namespace HandyControl.Controls
             GrowlPanel = GetTemplateChild(ElementGrowPanel) as Panel;
         }
 
-        protected override void OnSourceInitialized(EventArgs e)
-        {
-            base.OnSourceInitialized(e);
-
-            var _ = new WindowInteropHelper(this)
-            {
-                Owner = NativeMethods.GetDesktopWindow()
-            };
-        }
-
         public void Init()
         {
             var desktopWorkingArea = SystemParameters.WorkArea;

src/Shared/HandyControl_Shared/HandyControl_Shared.projitems

@@ -31,6 +31,7 @@
     <Compile Include="$(MSBuildThisFileDirectory)Controls\Slider\RangeSlider\RangeThumb.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Controls\Slider\RangeSlider\TwoWayRangeBase.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Controls\Other\RunningBlock.cs" />
+    <Compile Include="$(MSBuildThisFileDirectory)Interactivity\Commands\CloseWindowCommand.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Interactivity\Commands\OpenLinkCommand.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Converter\BorderCircularClipConverter.cs" />
     <Compile Include="$(MSBuildThisFileDirectory)Tools\Converter\Number2PercentageConverter.cs" />
@@ -763,6 +764,10 @@
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="$(MSBuildThisFileDirectory)Themes\Styles\Sprite.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
     <Page Include="$(MSBuildThisFileDirectory)Themes\Styles\StepBar.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>

src/Shared/HandyControl_Shared/Interactivity/Commands/CloseWindowCommand.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Windows;
+using System.Windows.Input;
+
+namespace HandyControl.Interactivity
+{
+    public class CloseWindowCommand : ICommand
+    {
+        public bool CanExecute(object parameter) => true;
+
+        public void Execute(object parameter)
+        {
+            if (parameter is DependencyObject dependencyObject)
+            {
+                if (Window.GetWindow(dependencyObject) is Window window)
+                {
+                    window.Close();
+                }
+            }
+        }
+
+        public event EventHandler CanExecuteChanged;
+    }
+}

src/Shared/HandyControl_Shared/Interactivity/Commands/ControlCommands.cs

@@ -156,5 +156,10 @@ namespace HandyControl.Interactivity
         ///     前置主窗口
         /// </summary>
         public static PushMainWindow2TopCommand PushMainWindow2Top { get; } = new PushMainWindow2TopCommand();
+
+        /// <summary>
+        ///     关闭窗口
+        /// </summary>
+        public static CloseWindowCommand CloseWindow { get; } = new CloseWindowCommand();
     }
 }

src/Shared/HandyControl_Shared/Themes/Styles/Growl.xaml

@@ -11,6 +11,8 @@
     </ResourceDictionary.MergedDictionaries>
 
     <Style TargetType="controls:GrowlWindow">
+        <Setter Property="controls:WindowAttach.IgnoreAltF4" Value="True"/>
+        <Setter Property="controls:WindowAttach.ShowInTaskManager" Value="False"/>
         <Setter Property="Width" Value="340"/>
         <Setter Property="MaxWidth" Value="340"/>
         <Setter Property="Background" Value="Transparent"/>

src/Shared/HandyControl_Shared/Themes/Styles/Style.xaml

@@ -71,6 +71,7 @@
         <ResourceDictionary Source="Magnifier.xaml"/>
         <ResourceDictionary Source="ToggleBlock.xaml"/>
         <ResourceDictionary Source="RunningBlock.xaml"/>
+        <ResourceDictionary Source="Sprite.xaml"/>
     </ResourceDictionary.MergedDictionaries>
 
 </ResourceDictionary>