add EnumDataProvider

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

@@ -89,7 +89,6 @@
         <Setter Property="WindowStyle" Value="None"/>
         <Setter Property="WindowState" Value="Maximized"/>
         <Setter Property="Topmost" Value="True"/>
-        <Setter Property="AllowsTransparency" Value="True"/>
         <Setter Property="ResizeMode" Value="NoResize"/>
         <Setter Property="Background" Value="Transparent"/>
         <Setter Property="controls:WindowAttach.IgnoreAltF4" Value="True"/>

src/Shared/HandyControl_Shared/Themes/Theme.xaml

@@ -4,7 +4,7 @@
 
     <ResourceDictionary.MergedDictionaries>
         <ResourceDictionary>
-            <langs:LangDecorator x:Key="Langs"/>
+            <langs:LangProvider x:Key="Langs"/>
         </ResourceDictionary>
         <ResourceDictionary Source="Basic/Basic.xaml"/>
         <ResourceDictionary Source="Styles/Style.xaml"/>