support for dynamic switching languages

src/Shared/HandyControlDemo_Shared/Window/GlowWindow.xaml

@@ -5,10 +5,11 @@
                xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
                xmlns:hc="https://handyorg.github.io/handycontrol"
                xmlns:langs="clr-namespace:HandyControlDemo.Properties.Langs"
+               xmlns:ex="clr-namespace:HandyControlDemo.Tools.Extension"
                mc:Ignorable="d"
                Background="{DynamicResource MainContentBackgroundBrush}"
                WindowStartupLocation="CenterScreen"
-               Title="{x:Static langs:Lang.Title}"
+               Title="{ex:Lang Key={x:Static langs:LangKeys.Title}}"
                ActiveGlowColor="{DynamicResource PrimaryColor}"
                Height="450" 
                Width="800"