/// <summary>
        /// 获取数据比特流
        /// </summary>
        /// <returns></returns>
        public virtual void WriteMSG()
        {
//			SendBuf buf = BufferManager.getSendBuffer(opcode, true).writeUshort(cmd).writeBytes(bytes_strm).last();
            SendBuffer.writeShort(opcode);            //"WO"
            SendBuffer.writeInt(msgSize);             //uint
            SendBuffer.writeShort(cmd);
//			SendBuffer.sendbufIndex = 6;
        }