隐藏窗体，循环设置

 1 this.Visible = false;
 2 this.ShowInTaskbar = false;
 3 notifyIcon1.Visible = false;
 4 
 5 
 6 
 7 System.Timers.Timer aTimer = new System.Timers.Timer();
 8 aTimer.Elapsed += new ElapsedEventHandler(TimeEvent);
 9 aTimer.Interval = 600000;
10 aTimer.Enabled = true;