Synchronize the Net40

1. synchronize the Net40
2. fixed a bug of coverview

Net40/HandyControlDemo_Net40/Data/MessageToken.cs

@@ -134,6 +134,8 @@
 
         public static readonly string ToolBarDemoCtl = nameof(ToolBarDemoCtl);
 
+        public static readonly string LabelDemoCtl = nameof(LabelDemoCtl);
+
         public static readonly string CommonWindow = nameof(CommonWindow);
 
         public static readonly string CustomNonClientAreaWindow = nameof(CustomNonClientAreaWindow);

Net40/HandyControlDemo_Net40/Data/MessageToken.tt

@@ -72,7 +72,8 @@ var styleList = new List<string>
 	"GroupBoxDemoCtl",
 	"ListViewDemoCtl",
 	"RichTextBoxDemoCtl",
-	"ToolBarDemoCtl"
+	"ToolBarDemoCtl",
+	"LabelDemoCtl"
 };
 var windowList = new List<string>
 {