private void StartTimer() { if (FlashTimer == null) { int time = new A_GraphicsBLL().GetFlashTime(); FlashTimer = new Timer(); FlashTimer.Interval = time * 1000; FlashTimer.Tick += new EventHandler(t_Tick); FlashTimer.Start(); } else { if (!FlashTimer.Enabled) { int time = new A_GraphicsBLL().GetFlashTime(); FlashTimer.Interval = time * 1000; FlashTimer.Tick += new EventHandler(t_Tick); FlashTimer.Start(); } } }