/// <summary>
        /// If ACode=11, control the green light, if it’s 12, 
        /// control the red light, if it’s 13, control the beep. If AValue=1, lights on, if it’s 0, 
        /// lights off. Explanation:  Only support ZK4000 sensor and ZK8000 sensor currently.
        /// </summary>
        private void ControlSensor_ZKFinger()
        {
            axZKFPEngX1.ControlSensor(11, 1);
            Thread.Sleep(100);
            axZKFPEngX1.ControlSensor(11, 0);
            Thread.Sleep(100);
            axZKFPEngX1.ControlSensor(12, 1);
            Thread.Sleep(100);
            axZKFPEngX1.ControlSensor(12, 0);
            Thread.Sleep(100);
            axZKFPEngX1.ControlSensor(13, 1);
            Thread.Sleep(100);
            axZKFPEngX1.ControlSensor(13, 0);
        }