C#一行代码之最小化到通知区域

代码实现

private void Form1_Load(object sender, EventArgs e)
{
    this.ExAddNotifyIcon();
}

代码封装

/// <summary>
/// 添加通知图标，左键点击切换窗口显示，右键点击弹出菜单
/// </summary>
/// <param name="form"></param>
/// <param name="tipText"></param>
/// <param name="timeout"></param>
/// <param name="tipIcon"></param>
/// <returns></returns>
public static NotifyIcon ExAddNotifyIcon(this Form form, string tipText = "程序最小化至后台运行，点击图标显示程序", int timeout = 3000, ToolTipIcon tipIcon = ToolTipIcon.Info)
{
    NotifyIcon notifyIcon = new NotifyIcon();
    notifyIcon.Icon = form.Icon;
    notifyIcon.Visible = true;
    notifyIcon.Text = form.Text;
    notifyIcon.BalloonTipText = form.Text;
    notifyIcon.MouseClick += (sender, args) =>
    {
        if (args.Button == MouseButtons.Left)
        {
            if (!form.Visible)
            {
                form.Show();
                form.WindowState = FormWindowState.Normal;
                form.TopMost = true;
                form.TopMost = false;
            }
            else
            {
                form.WindowState = FormWindowState.Minimized;
                form.Hide();
            }
        }
    };
    notifyIcon.ContextMenu = new ContextMenu(new MenuItem[]
    {
        new MenuItem("开机启动", (sender, args) => { ((MenuItem) sender).Checked = form.ExSwitchRunOnSystemStart(); })
        {
            Checked = form.ExIsRunOnSystemStart()
        },
        new MenuItem("退出程序", (sender, args) => { form.Close(); }),
    });
    form.SizeChanged += (sender, args) =>
    {
        if (form.WindowState == FormWindowState.Minimized)
        {
            form.Hide();
            notifyIcon.ShowBalloonTip(timeout, form.Text, tipText, tipIcon);
        }
    };
    form.FormClosed += (sender, args) => { notifyIcon.Dispose(); };
    return notifyIcon;
}