private bool RemoveLed(int cardNum)
        {
            int key = cardNum;

            if (Leds.ContainsKey(key))
            {
                if (Leds[key] == "OPEN")
                {
                    if (EQ2008.User_CloseScreen(cardNum))
                    {
                        Leds[key] = "CLOSE";
                    }
                }
                return(Leds[key] == "CLOSE");
            }
            else
            {
                return(true);
            }
        }