/// 

        /// creates a LONG value by concatenating the specified values.
        /// 
        /// Specifies the low-order word of the new value.
        /// Specifies the high-order word of the new value.
        public static int MakeLong(int loValue, int hiValue)
        {
            return (hiValue << 16) | (loValue & 0xffff); 
        }