/// <summary>
        /// 外部获取单例的代码.
        /// </summary>
        /// <returns></returns>
        public static CarNumberScanDummy Instance()
        {
            if (me == null)
            {
                me = new CarNumberScanDummy();
            }

            return(me);
        }
        /// <summary>
        /// 外部获取单例的代码.
        /// </summary>
        /// <returns></returns>
        public static CarNumberScanDummy Instance()
        {
            if (me == null)
            {
                me = new CarNumberScanDummy();
            }

            return me;
        }