public static void SetChangeVolProcW(IntPtr archive, [MarshalAs(UnmanagedType.FunctionPtr)] ChangeVolProcW callback)
 {
     changeVolProc = callback;
     WcxDispatcher.SetChangeVolProcW(archive, ChangeVolume);
 }
 public static void SetChangeVolProc(IntPtr archive, [MarshalAs(UnmanagedType.FunctionPtr)] ChangeVolProcW callback)
 {
 }