private void btnRestoreAlpha_Click(object sender, EventArgs e) { WindowsApiHelper.RestoreOpacity("StandardWindow"); //恢复工作台 WindowsApiHelper.RestoreOpacity("StandardFrame"); //恢复主窗口 WindowsApiHelper.RestoreOpacity("Shell_TrayWnd"); //恢复任务栏 WindowsApiHelper.RestoreOpacity(null, "系统消息"); }