public static void SetDidFindUpdateCallback(WinSparkle.DidFindUpdateCallback callback)
 {
     if (Environment.Is64BitProcess)
     {
         WinSparkle.SetDidFindUpdateCallback_X64(callback);
         return;
     }
     WinSparkle.SetDidFindUpdateCallback_Win32(callback);
 }
 private static extern void SetDidFindUpdateCallback_X64([MarshalAs(UnmanagedType.FunctionPtr)] WinSparkle.DidFindUpdateCallback callback);