Working with Windows Service Using VS 2005

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

namespace MyService
{
    public partial class MyWinService : ServiceBase
    {
        public MyWinService()
        {
            InitializeComponent();
        }

        protected override void OnStart(string[] args)
        {
            // TODO: Add code here to start your service.
            const Int32 iTimer_Interval = 60000;
            Timer oTimer;
            System.IO.File.AppendAllText("C:\\AuthorLog.txt", "MyService has been started at " + DateTime.Now.ToShortTimeString());
            System.Threading.TimerCallback tDelegate = EventAction;
            oTimer = new System.Threading.Timer(tDelegate, this, 0, iTimer_Interval);
        }

        protected override void OnStop()
        {
            // TODO: Add code here to perform any tear-down necessary to stop your service.
           
        }

        public void EventAction(object sender)
        {
            System.IO.File.AppendAllText("C:\\AuthorLog.txt", "MyService fires EventAction at " + DateTime.Now.ToShortTimeString());
        }
    }
}