completed the branch

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>