C# 在托盘显示图标

//上面一行是主窗体InitializeComponent()方法中需要添加的引用

this.SizeChanged += new System.EventHandler(this.Form1_SizeChanged);

//上面一行是主窗体InitializeComponent()方法中需要添加的引用 
        private void Form1_SizeChanged(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Minimized)
            {
                this.Hide();
                this.notifyIcon1.Visible = true;
            }
        }

        private void notifyIcon1_Click(object sender, EventArgs e)
        {
            this.Visible = true;
            this.WindowState = FormWindowState.Normal;
            this.notifyIcon1.Visible = false;
            this.Activate();
            this.ShowInTaskbar = true;//任务栏区显示图标
        }