C#实现 Winform 程序在系统托盘显示图标 & 开机自启动

VipSoft2025-01-11 17:49

目录

实现步骤

  • 创建 NotifyIcon 控件并设置属性；
  • 编写 NotifyIcon 响应控制事件；
  • 在主窗体的Load事件中将 NotifyIcon 添加到系统托盘；
  • 程序退出时，移除系统托盘的 NotifyIcon；

NotifyIcon 控件，通常用于在系统托盘中显示图标，通过使用它就可以我们想要的效果。

属性 描述
Icon 在系统托盘中显示的图标
Text 鼠标悬停在图标时显示的文本
Visible 指定是否可见

常用方法

方法 描述
ShowContextMenu 在系统托盘上下文菜单中显示指定的菜单

添加控件(拖拽方式)

将NotifyIcon和一个ContextMenuStrip控件。拖到主窗体中可以修改控件名称

  • NotifyIcon 托盘图标
  • ContextMenuStrip 托盘图标右击弹出的菜单

设置控件

点击 ContextMenuStrip 右上方的三角图标 -> 编辑项，弹出项信合编辑器

添加右健菜单信息

添加主窗体事件

在最小化或关闭主窗体时，显示在任务栏托盘区域,实现了单击关闭时，不真正关闭程序，而是将主界面隐藏HIDE掉，同时开始显示托盘菜单。

c# 复制代码 
//  只有Form_Closing事件中 e.Cancel可以用。
//  你的是Form_Closed事件。 Form_Closed事件时窗口已关了 ，Cancel没用了；
//  Form_Closing是窗口即将关闭时询问你是不是真的关闭才有Cancel事件

private void MainWindow_FormClosing(object sender, FormClosingEventArgs e)
{

    // 注意判断关闭事件reason来源于窗体按钮，否则用菜单退出时无法退出!
    if (e.CloseReason == CloseReason.UserClosing)
    {
        //取消"关闭窗口"事件
        e.Cancel = true; // 取消关闭窗体 

        //使关闭时窗口向右下角缩小的效果
        this.WindowState = FormWindowState.Minimized;
        this.mainNotifyIcon.Visible = true;
        //this.m_cartoonForm.CartoonClose();
        this.Hide();
        return;
    }
}

实现双击托盘打开主程序

c# 复制代码 
//  添加托盘程序
//  版本更新自1.0.1
private void mainNotifyIcon_MouseDoubleClick(object sender, MouseEventArgs e)
{
    if (this.Visible)
    {
        this.WindowState = FormWindowState.Minimized;
        this.mainNotifyIcon.Visible = true;
        this.Hide();
    }
    else
    {
        this.Visible = true;
        this.WindowState = FormWindowState.Normal;
        this.Activate();
    }
}
c# 复制代码 
//  添加托盘程序右键菜单项
//  版本更新自1.0.1
//  退出
//  添加日期 --  2015-07-29 21:44
private async void toolStripMenuItemQuit_Click(object sender, EventArgs e)
{
    if (MessageBox.Show("你确定要退出？", "系统提示", MessageBoxButtons.YesNo, MessageBoxIcon.Information, MessageBoxDefaultButton.Button1) == DialogResult.Yes)
    {

        this.mainNotifyIcon.Visible = false;
        this.Close();
        this.Dispose();
        System.Environment.Exit(System.Environment.ExitCode);   

    }
}

代码方式添加

c# 复制代码 
using System;
using System.Windows.Forms;


namespace Fountain.WinForm.NotifyDemo
{
    public partial class FormMain : Form
    {
        /// <summary>
        /// 通知控件
        /// </summary>
        private NotifyIcon notifyIcon = new NotifyIcon();
        /// <summary>
        /// 通知控件显示菜单
        /// </summary>
        private ContextMenuStrip contextMenuStrip = new ContextMenuStrip();
        /// <summary>
        /// 构造方法
        /// </summary>
        public FormMain()
        {
            InitializeComponent();
        }
        /// <summary>
        /// 窗体加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FormMain_Load(object sender, EventArgs e)
        {
            this.InitializeNotifyMenu();
            this.notifyIcon.Text = this.Text;
            this.notifyIcon.Visible = true;
            this.notifyIcon.Icon = this.Icon;
            this.notifyIcon.ContextMenuStrip = this.contextMenuStrip;
            this.notifyIcon.DoubleClick += notifyIcon_DoubleClick;
        }
        /// <summary>
        /// 托盘菜单
        /// </summary>
        private void InitializeNotifyMenu()
        {
            try
            {
                contextMenuStrip.Items.Clear();
                ToolStripMenuItem showMenuItem = new ToolStripMenuItem("显示界面");
                showMenuItem.Tag = "显示";
                showMenuItem.Click += new EventHandler(ShowMenuItem_Click);
                contextMenuStrip.Items.Add(showMenuItem);


                ToolStripMenuItem sboutMenuItem = new ToolStripMenuItem("关于");
                sboutMenuItem.Tag = "关于";
                sboutMenuItem.Click += new EventHandler(AboutMenuItem_Click);
                contextMenuStrip.Items.Add(sboutMenuItem);


                ToolStripMenuItem exitMenuItem = new ToolStripMenuItem("退出");
                exitMenuItem.Tag = "退出";
                exitMenuItem.Click += new EventHandler(ExistMenuItem_Click);
                contextMenuStrip.Items.Add(exitMenuItem);
            }
            catch(Exception exception) 
            {
                throw new Exception(exception.Message);
            }
        }
        /// <summary>
        /// 右击任务栏图标
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void notifyIcon_DoubleClick(object sender, EventArgs e)
        {
            try
            {
                if (this.WindowState == FormWindowState.Normal)
                {
                    this.WindowState = FormWindowState.Minimized;
                    this.Hide();
                }
                else if (this.WindowState == FormWindowState.Minimized)
                {
                    this.Show();
                    this.WindowState = FormWindowState.Normal;
                    this.Activate();
                }
            }
            catch (Exception objException)
            {
                throw new Exception(objException.Message);
            }
        }
        /// <summary>
        /// 显示
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ShowMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                this.Show();
                this.WindowState = FormWindowState.Normal;
                this.Activate();
            }
            catch (Exception objException)
            {
                throw new Exception(objException.Message);
            }
        }
        /// <summary>
        /// 关于
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void AboutMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
            }
            catch (Exception objException)
            {
                MessageBox.Show(objException.Message);
            }
        }
        /// <summary>
        /// 退出
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ExistMenuItem_Click(object sender, EventArgs e)
        {
            try
            {
                if (MessageBox.Show("你确定要退出程序吗？","提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2) == DialogResult.OK)
                {
                    this.notifyIcon.Visible = false;
                    this.notifyIcon.Dispose();
                    this.Dispose();
                    Application.Exit();
                }
            }
            catch (Exception objException)
            {
                MessageBox.Show(objException.Message);
            }
        }
        /// <summary>
        /// 主窗体关闭
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FormMain_FormClosing(object sender, FormClosingEventArgs e)
        {
            try
            {
                e.Cancel = true;
                this.Hide();
                this.notifyIcon.Dispose();
            }
            catch (Exception objException)
            {
                MessageBox.Show(objException.Message);
            }
        }
        /// <summary>
        /// 窗体大小变化
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FormMain_Resize(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Minimized)
            {
                this.ShowInTaskbar = false;
                this.Hide();
                this.notifyIcon.Visible = true;
            }
        }
    }
}

系统开机自启动应用程序

c# 复制代码 
using Microsoft.Win32;
using System;
using System.Diagnostics;
using System.Windows.Forms;


namespace Fountain.WinForm.NotifyDemo
{
    public partial class FormMain : Form
    {
        /// <summary>
        /// 构造方法
        /// </summary>
        public FormMain()
        {
            InitializeComponent();
        }
        /// <summary>
        /// 窗体加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void FormMain_Load(object sender, EventArgs e)
        { 
            string applictionName = Process.GetCurrentProcess().MainModule.ModuleName;
            string applictionPath = Process.GetCurrentProcess().MainModule.FileName;
            #region 当前登陆用户的注册表启动项
            RegistryKey registryKey = Registry.CurrentUser.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
            registryKey.SetValue(applictionName, applictionPath);
            #endregion
            #region 所有用户的注册表启动项
            //RegistryKey registryKey = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
            //registryKey.SetValue(applictionName, applictionPath);
            #endregion
        }
    }
}
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