public static extern void SetCanShutdownCallback(WinSparkleCanShutdownCheckCallback cb);
public static extern void SetCanShutdownCallback(WinSparkleCanShutdownCheckCallback cb);
public static extern void SetCanShutdownCallback(WinSparkleCanShutdownCheckCallback cb);
public static extern void SetCanShutdownCallback(WinSparkleCanShutdownCheckCallback cb);