public IMyCatValue ReadValue(MyCatPacket packet, long length, bool isNull) { this.isNull = isNull; if (isNull) { return(this); } if (length == -1) { length = packet.ReadFieldLength(); } if (ReadAsString) { mValue = UInt64.Parse(packet.ReadString(length)); } else { mValue = (UInt64)packet.ReadBitValue((int)length); } return(this); }