public partial class tv : ServiceBase

    {

        public tv()

        {

            InitializeComponent();

            ServiceName = "HB TV";//设置服务名称

            CanStop = true;//服务是否可以停止

        }

        protected override void OnStart(string[] args)

        {

            ThreadStart m = new ThreadStart(Sart);

            Thread th = new Thread(m);

            th.Start();

        }

        protected override void OnStop()

        {

        }

        int TimerSpan = 1000 * 5;

        private void Sart()

        {

            //MyState s = new MyState();

            //System.Threading.Timer timer = new Timer(time_Tick, s, 0, TimerSpan);

            //s.timer = timer;

            new MyState(time_Tick, 0, TimerSpan);

        }

        private void time_Tick(object sender)

        {

            MyState s = sender as MyState;

            s.timer.Change(System.Threading.Timeout.Infinite, 0);//停止计时器

            //处理自己的事情

            s.timer.Change(TimerSpan, TimerSpan);//开始计时器

        }

    }

    class MyState

    {

        internal System.Threading.Timer timer;

        public MyState()

        {

        }

        /// <summary>

        ///

        /// </summary>

        /// <param name="callback">一个 TimerCallback 委托，表示要执行的方法</param>

        /// <param name="dueTime">调用 callback 之前延迟的时间量（以毫秒为单位）。指定 Timeout.Infinite 以防止计时器开始计时。指定零 (0) 以立即启动计时器</param>

        /// <param name="period">调用 callback 的时间间隔（以毫秒为单位）。指定 Timeout.Infinite 可以禁用定期终止</param>

        public MyState(TimerCallback callback, int dueTime, int period)

        {

            timer = new Timer(callback, this, dueTime, period);

        }

    }