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我正在尝试捕获屏幕保护程序事件,但是当我运行我的应用程序并转到个性化 > 屏幕保护程序 > 预览并打开屏幕保护程序时,nlog 不会写入日志,就好像事件没有被拾取一样!

代码如下

[DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern int SystemParametersInfo(int uAction, int uParam, ref int ipvParam, int fuWinini);

        const int SPI_GETSCREENSAVERRUNNING = 114;
        static int screenSaverRunning = -1;
        int ok = SystemParametersInfo(SPI_GETSCREENSAVERRUNNING, 0, ref screenSaverRunning, 0);

        private void ScreenSaver()
        {
            if (ok == 0)
            {
                Logger.Trace("SCREENSAVER OFF");
            }

            if (screenSaverRunning != 0)
            {
                Logger.Trace("SCREENSAVER ON");

            }
    }
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