仿QQ右下角消息提示 图标闪烁效果(NotifyIcon)

【实例截图】

【核心代码】

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace mgen_windowNotify
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        NotifyIconAnimator trayAnimator;

        private void button1_Click(object sender, EventArgs e)
        {
            var icons = new string[] { "project1.ico", "project2.ico" }.Select(s => new Icon(s)).ToArray();
            trayAnimator.StartAnimation(icons, 500, -1);
        }

        private void button2_Click(object sender, EventArgs e)
        {
            trayAnimator.StopAnimation();
        }

        private async void button3_Click(object sender, EventArgs e)
        {
            await Task.Delay(3000);
            NativeMethods.FlashWindowEx(this);
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            notifyIcon1.Icon = new Icon("project1.ico");
            trayAnimator = new NotifyIconAnimator(notifyIcon1);
        }

        //窗体中3秒后非活动闪烁窗口的按钮点击事件执行
        //NativeMethods类型是Win32 API的封装类型，请参考源代码或者pinvoke.net
        private async void button4_Click(object sender, EventArgs e)
        {
            //等3秒
            await Task.Delay(3000);
            //判断Form的Handle是否是当前活动窗口的Handle
            if (this.Handle != NativeMethods.GetForegroundWindow())
                //如果是的话，执行FlashWindowEx
                NativeMethods.FlashWindowEx(this);
        }
    }
}