开发工具 Visual Studio 2010

using System;
using System.Timers;

namespace TestTimer
{
    class Program
    {
        private static Timer aTimer;

        static void Main(string[] args)
        {
            aTimer = new Timer();
            aTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent);//注册事件回调方法
            aTimer.Interval = 1000;//每隔1秒触发一次Elapsed事件
            aTimer.Enabled = true;//开启Timer

            Console.WriteLine("Press the Enter key to exit the program.");
            Console.ReadLine();
        }

        static int i = 0;
        private static void OnTimedEvent(object source, ElapsedEventArgs e)
        {
            Console.WriteLine("The Elapsed event was raised at {0}", e.SignalTime);
            i++;
            if (i > 5)
                aTimer.Stop();//停止Timer
        }
    }
}

运行效果