c#定时器的使用

using System;
using System.Collections.Generic;
using System.Text;
using System.Timers;

namespace TimerApplication
{
    class Program
    {
        static void Main(string[] args)
        {
             Timer timer = new Timer(5*1000);
            timer.Elapsed += new ElapsedEventHandler(outMessage);
            timer.AutoReset = true;
            timer.Enabled = true;
            string strLine;
            do
            {
                strLine = Console.ReadLine();
            } while (strLine != null && strLine != "exit");
        }

        public void outMessage(object source,ElapsedEventArgs e)
        {
            Console.WriteLine("Hello");
        }
           }
}