c# 动态系统托盘图标实现

using System;   
using System.Collections.Generic;   
using System.ComponentModel;   
using System.Data;   
using System.Drawing;   
using System.Linq;   
using System.Text;   
using System.Windows.Forms;   
  
namespace AnimateSystemTray   
{   
    public partial class Form1 : Form   
    {   
        private Icon icon1;   
        private Icon icon2;//声明   
        string  a = "1";//判断托盘图标是icon1还是icon2   
        public Form1()   
        {   
            InitializeComponent();   
            try  
            {   
                icon1 = new Icon("clover.ico");   
                icon2 = new Icon("cloverbunch.ico");//引入图标文件，文件需放在debug目录下   
                   
            }   
            catch(Exception err)//捕捉错误信息   
            {   
                MessageBox.Show("出错" + err.Message);   
            }   
        }   
  
        private void Form1_Load(object sender, EventArgs e)   
        {   
            notifyIcon1.Text = "动态系统托盘图标示例" + "\n" + "designed by yoyo";   
            timer1.Start();//time1启动   
            notifyIcon1.Icon = icon1;   
        }   
  
        private void timer1_Tick(object sender, EventArgs e)   
        {   
               
            try  
            {   
                if (icon1 != null && icon2 != null) //如果两个图标文件都被正确载入   
                {   
                    if (a=="1")//如果托盘图标为icon1，则更改为icon2   
                    {   
                        notifyIcon1.Icon = icon2;   
                        a ="2";   
                    }   
                    else//否则则将图标设置为icon1   
                    {   
                        notifyIcon1.Icon = icon1;   
                        a = "1";   
                    }   
                }   
            }   
            catch (Exception err)//捕捉错误信息   
            {   
                MessageBox.Show("错误信息：" + err.Message);   
            }   
             
        }   
        }   
    }  


本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/ismart/archive/2009/11/12/4802881.aspx