protected override void SetVisibleCore(bool value)
 {
     // Prevent window getting visible
     if (mInstance == null)
     {
         CreateHandle();
     }
     mInstance = this;
     value     = false;
     base.SetVisibleCore(value);
 }
 public static void Stop()
 {
     DeviceChangeNotifierForm.DeviceNotify -= DeviceNotify;
     DeviceChangeNotifierForm.Stop();
 }