chore: update PostBuildEvent.

src/Net_40/HandyControlDemo_Net_40/HandyControlDemo_Net_40.csproj

@@ -320,6 +320,7 @@
   <PropertyGroup>
     <PostBuildEvent>
       if not exist Langs md Langs
+      rd /s /q Langs\cs
       rd /s /q Langs\en
       rd /s /q Langs\es
       rd /s /q Langs\fa
@@ -331,6 +332,7 @@
       rd /s /q Langs\ru
       rd /s /q Langs\tr
       rd /s /q Langs\ca-Es
+      move cs Langs
       move en Langs
       move es Langs
       move fa Langs