系统托盘图标

最新推荐文章于 2025-08-17 13:44:41 发布

原创最新推荐文章于 2025-08-17 13:44:41 发布 · 479 阅读

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本文介绍了一个使用C#编写的简单窗体应用程序实例，包括最大化窗口、最小化到系统托盘、从托盘恢复显示及安全退出等功能。通过几个关键事件处理展示了如何控制窗体的状态变化。

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一个菜单栏

一个按钮

    public partial class FrmMain : Form
    {
        bool isExit = false;

        public FrmMain()
        {
            InitializeComponent();
        }

        private void FrmMain_Load(object sender, EventArgs e)
        {
            this.WindowState = FormWindowState.Maximized;
            this.notifyIcon1.Visible = false;
        }

        private void FrmMain_FormClosing(object sender, FormClosingEventArgs e)
        {
            if (!isExit)
            {
                e.Cancel = true;
                this.Hide();
                this.tool_exit.PerformClick(); //默认是最小化
            }

        }

        private void notifyIcon1_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            this.Show();
            this.WindowState = FormWindowState.Maximized;

        }

        private void ContextM_open_Click(object sender, EventArgs e)
        {
            this.Show();
            this.WindowState = FormWindowState.Maximized;

        }

        private void contextM_exit_Click(object sender, EventArgs e)
        {
            // ***************************************************************************************
            string message = "你确定退出本程序?";
            string caption = "提示信息!";
            MessageBoxIcon msgBoxIcon = MessageBoxIcon.Information;
            MessageBoxButtons msgBtn = MessageBoxButtons.OKCancel;
            DialogResult result = MessageBox.Show(message, caption, msgBtn, msgBoxIcon);
            if (result == System.Windows.Forms.DialogResult.OK)
            {
                isExit = true;
                Application.Exit();
            }
 

        }

        private void tool_exit_Click(object sender, EventArgs e)//仅托盘图标,默认退出要点击右键
        {
            if (!isExit)
            {
                // ***************************************************************************************
                this.Hide();
                //notifyIcon1.Icon = this.Icon;
                notifyIcon1.Text = "计划任务执行";
                this.notifyIcon1.Visible = true;
                this.notifyIcon1.ShowBalloonTip(5000, "提示", "系统仍在运行！", ToolTipIcon.Info);

                // ***************************************************************************************
            }



        }
    }