最小化到托盘

   NotifyIcon notifyIcon1;        void InitTrayMenu() // 在构造函数时调用此函数        {            // Create the NotifyIcon.             this.notifyIcon1 = new System.Windows.Forms.NotifyIcon();            // The Icon property sets the icon that will appear             // in the systray for this application.            System.IO.Stream iconStream = System.Windows.Application.GetResourceStream(new Uri("pack://application:,,, /Images/demo.ico")).Stream;            notifyIcon1.Icon = new System.Drawing.Icon(iconStream);            // The ContextMenu property sets the menu that will             // appear when the systray icon is right clicked.            System.Windows.Forms.ContextMenu contextMenu1 = new System.Windows.Forms.ContextMenu();            System.Windows.Forms.MenuItem menuItem1 = new System.Windows.Forms.MenuItem("退出");            menuItem1.Click += new System.EventHandler(this.menuItem1_Click);            contextMenu1.MenuItems.Clear();            contextMenu1.MenuItems.Add(menuItem1);            notifyIcon1.ContextMenu = contextMenu1;            notifyIcon1.Text = "ABC Virtual Panel";            notifyIcon1.Visible = true;            // Handle the Click event to activate the form.                    notifyIcon1.Click += notifyIcon1_Click;        }        void notifyIcon1_Click(object sender, EventArgs e)        {             this.Show();                       this.ShowInTaskbar = true;                 }        private void menuItem1_Click(object sender, System.EventArgs e)        {            this.MainWindowExitPoint();        }

注意： this.show();  this.Hide();  这两句不要写成

  this.WindowState = WindowState.Normal;
  this.WindowState = WindowState.Minimized;

因为这样在win8.1 系统的时候会出现，窗口只最小化到左下角(即是还能看到单独的标题栏).