revert to VB and update to new project file format

Pilz.UI/Utilities/User32Bridge.cs

@@ -1,11 +0,0 @@
-using System;
-using System.Runtime.InteropServices;
-
-namespace Pilz.UI
-{
-    public static class User32Bridge
-    {
-        [DllImport("user32.dll", CharSet = CharSet.Auto)]
-        internal static extern int SendMessage(IntPtr hWnd, int Msg, bool wParam, int lParam);
-    }
-}