public void OpenIndicatorLightDevice()
 {
     if (controller.OpenDevice())
     {
         redLight    = new DelcomLight(controller, DelcomLight.Color.Red);
         yellowLight = new DelcomLight(controller, DelcomLight.Color.Yellow);
         greenLight  = new DelcomLight(controller, DelcomLight.Color.Green);
     }
 }
 public void OpenIndicatorLightDevice()
 {
     if (controller.OpenDevice())
     {
         redLight = new DelcomLight(controller, DelcomLight.Color.Red);
         yellowLight = new DelcomLight(controller, DelcomLight.Color.Yellow);
         greenLight = new DelcomLight(controller, DelcomLight.Color.Green);
     }
 }