C#新建Windows服务程序

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Linq;
using System.ServiceProcess;
using System.Text;
using System.Threading.Tasks;

namespace WindowsService1
{
    public partial class Service1 : ServiceBase
    {
        public Service1()
        {
            InitializeComponent();
        }

        protected override void OnStart(string[] args)
        {
        }

        protected override void OnStop()
        {
        }
    }
}

public WindowsServiceDemo()   
{   
    InitializeComponent();   
    System.Timers.Timer t = new System.Timers.Timer(1000);//实例化Timer类，设置间隔时间为10000毫秒；   
    t.Elapsed += new System.Timers.ElapsedEventHandler(TimeElapse);//到达时间的时候执行事件；   
    t.AutoReset = true;//设置是执行一次（false）还是一直执行(true)；   
    t.Enabled = true;//是否执行System.Timers.Timer.Elapsed事件；  
}   


publicvoid TimeElapse(object source, System.Timers.ElapsedEventArgs e)   
{   
    FileStream fs = new FileStream(@"d:\timetick.txt", FileMode.OpenOrCreate, FileAccess.Write);   
    StreamWriter m_streamWriter = new StreamWriter(fs);   
    m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);   
    m_streamWriter.WriteLine("过了一秒 " + DateTime.Now.ToString() + "\n");   
    m_streamWriter.Flush();   
    m_streamWriter.Close();   
    fs.Close();   

}