01.//先拖一个notifyIcon控件进来

02.

03.//然后在您的notifyIcon控件中添加 MouseDoubleClick事件，代码如下

04.

05. private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)

06.{

07.this.notifyIcon1.Visible = false;

08.base.ShowInTaskbar = true;

09.this.Activate();

10.this.Show();

11.base.WindowState = FromWindowState.Normal;

12.}

13.// 像窗体 SizeChanged添加事件,代码如下：

14.private void Form1_SizeChanged(object sender , EventArgs e)

15.{

16.  if(this.WindowState == WindowState.Minimized)

17.{

18.               this.notifyIcon1.Visible = true;

19.                base.ShowInTaskbar = false;

20.                base.Hide();

21.}

22.}