private bool DecodeXrefString(String tString)
        {
            //int tempXref = 0;
            int strPos = 1;

            if (tString[0] != '@')
            {
                return(false);
            }
            if (tString[tString.Length - 1] != '@')
            {
                return(false);
            }

            while (strPos < (tString.Length - 1))
            {
                if (parser.IsValidXrefChar(tString[strPos]))
                {
                    lineData.xrefIdString += tString[strPos];
                    strPos++;
                }
                else
                {
                    lineData.xrefIdString = "";
                    return(false);
                }
            }
            return(true);
        }