C# 窗体点击关闭按钮时最小化到托盘

  private void form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (e.CloseReason == CloseReason.UserClosing)
            {
                e.Cancel = true;
                this.Hide();
                TaskIcon.BalloonTipTitle = "分诊系统";
                TaskIcon.BalloonTipText = "程序还在继续运行......" + "/r/n" + "单击托盘图标还原窗口.";
                TaskIcon.ShowBalloonTip(2000);
            }
        }