예제 #1
0
        public void TurnOffGreen()
        {
            if (!IsPresent())
            {
                return;
            }

            greenLight.TurnOff();
        }
예제 #2
0
        public void TurnOffRed()
        {
            if (!IsPresent())
            {
                return;
            }

            redLight.TurnOff();
        }
예제 #3
0
        public void TurnOffYellow()
        {
            if (!IsPresent())
            {
                return;
            }

            yellowLight.TurnOff();
        }