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引言

實現

1、程序在系統托盤中顯示圖標

常用屬性

常用方法

實現步驟

示例代碼

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>
        /// 通知控件顯示菜單
        /// </summary>
        private ContextMenuStrip contextMenuStrip = new ContextMenuStrip();
        /// <summary>
        /// 構造方法
        /// </summary>
        public FormMain()
        {
            InitializeComponent();
        }
        /// <summary>
        /// 窗體加載
        /// </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>
        /// 托盤菜單
        /// </summary>
        private void InitializeNotifyMenu()
        {
            try
            {
                contextMenuStrip.Items.Clear();
                ToolStripMenuItem showMenuItem = new ToolStripMenuItem("顯示界面");
                showMenuItem.Tag = "顯示";
                showMenuItem.Click += new EventHandler(ShowMenuItem_Click);
                contextMenuStrip.Items.Add(showMenuItem);


                ToolStripMenuItem sboutMenuItem = new ToolStripMenuItem("關于");
                sboutMenuItem.Tag = "關于";
                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>
        /// 右擊任務欄圖標
        /// </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>
        /// 顯示
        /// </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>
        /// 關于
        /// </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("你確定要退出程序嗎？","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>
        /// 主窗體關閉
        /// </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>
        /// 窗體大小變化
        /// </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;
            }
        }
    }
}

2、系統開機自啟動應用程序

using Microsoft.Win32;
using System;
using System.Diagnostics;
using System.Windows.Forms;


namespace Fountain.WinForm.NotifyDemo
{
    public partial class FormMain : Form
    {
        /// <summary>
        /// 構造方法
        /// </summary>
        public FormMain()
        {
            InitializeComponent();
        }
        /// <summary>
        /// 窗體加載
        /// </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 當前登陸用戶的注冊表啟動項
            RegistryKey registryKey = Registry.CurrentUser.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
            registryKey.SetValue(applictionName, applictionPath);
            #endregion
            #region 所有用戶的注冊表啟動項
            //RegistryKey registryKey = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Microsoft\Windows\CurrentVersion\Run");
            //registryKey.SetValue(applictionName, applictionPath);
            #endregion
        }
    }
}

小結