/// <summary> /// 窗体 /// 加载完毕 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void Window_Loaded(object sender, RoutedEventArgs e) { var windowHandle = new WindowInteropHelper(this).Handle; // 注册系统快捷键 var hotKeyRegistSuccess = HotKeyHelper.TryRegist(windowHandle, HotKeyModifiers.Ctrl, Key.Q, () => { if (Opacity == 1) { Opacity = WindowMinimumOpacity; } else { Opacity = 1; } }); if (!hotKeyRegistSuccess) { txtInput.Text = "Ctrl+Q 快捷键已被其他程序占用"; } // 创建一个新线程,每过 800ms 就重新将该窗体设为置顶(与视频播放器争夺 TopMost) _setTopMostThread = new Thread(() => { while (true) { Thread.Sleep(800); if (_isExit) { break; } Application.Current?.Dispatcher.Invoke(() => { SetWindowPos(windowHandle, _hwndTopMost, 0, 0, 0, 0, 0x0003); }); } }); _setTopMostThread.Start(); }