private System.Timers.Timer timer;
protected override void OnStart(string[] args)
{
      Thread.Sleep(30000);
      this.timer = new System.Timers.Timer();
      this.timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);
      this.timer.Interval = 1000;
      this.timer.AutoReset = true;
      this.timer.Enabled = true;
}
void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
}