NetworkStream.write只能使用一次，后面再使用无效

 public delegate void ShowMessageMethod2(TcpClient tc); ???????private void ShowMessage2(TcpClient tc) ???????{ ???????????String IP地址 = ((IPEndPoint)tc.Client.RemoteEndPoint).Address.ToString(); ???????????String 端口 = ((IPEndPoint)tc.Client.RemoteEndPoint).Port.ToString(); ???????????String 事件 = "无事件"; ???????????String 备注 = "无备注"; ???????????String 内容 = "无内容"; ???????????NetworkStream stm = tc.GetStream(); ???????????byte[] readBuf = new byte[maxBufferSize]; ???????????int realByteNumber = stm.Read(readBuf, 0, maxBufferSize); ???????????//显示收到的数据 ???????????内容 = (StrHexHelp.byteToHexStr(readBuf).Substring(0,realByteNumber * 2)); ???????????byte[] writeBuf1; ???????????byte[] writeBuf2; ????????????//总召唤命令 ???????????/* ????????????* 长度是18 ????????????* 第七位是64 ????????????* 第9位6是动作 7是确认 A是结束 ????????????*/ ???????????if ((realByteNumber == 18) && (readBuf[7] == 0X64) &&(readBuf[9] == 0X06)) ???????????{ ???????????????事件 = "总召唤命令"; ???????????????备注 = "终端收到总召唤命令（终端1）"; ???????????????this.系统日志TableAdapter.Insert(IP地址, 端口, System.DateTime.Now.ToString(), 事件, 备注, 内容); ????????????????????????????????????????????事件 = "总召唤确认帧及结束帧"; ???????????????备注 = "终端返回总召唤确认帧（终端2）"; ???????????????writeBuf1 = new byte[36]; ???????????????for (int i = 0; i < 18; i++) ???????????????????writeBuf1[i] = readBuf[i]; ???????????????writeBuf1[4] = 0X80;//4控制域 ???????????????writeBuf1[9] = 0X07;//9传送原因 ?????????????????????????????????????????????????for (int i = 18; i < 36; i++) ???????????????????writeBuf1[i] = readBuf[i-18]; ???????????????writeBuf1[22] = 0X80;//4控制域 ???????????????writeBuf1[27] = 0X0A;//A传送原因 ???????????????内容 = (StrHexHelp.byteToHexStr(writeBuf1)); ???????????????this.系统日志TableAdapter.Insert(IP地址, 端口, System.DateTime.Now.ToString(), 事件, 备注, 内容); ?????????????????????????????writeBuf2 = new byte[6] { 1, 2, 3, 4, 5, 6 }; ???????????????stm.Write(writeBuf2, 0, 6); //只有这一行起作用 ???????????????stm.Write(writeBuf1, 0, 36); //这一行无效(并且字节不会被覆盖，就显示短的那一行) ???????????????goto GameOver; ???????????} ???????GameOver: ???????????stm.Close(); ???????????tc.Close(); ???????????this.系统日志TableAdapter.Fill(this.系统日志DataSet.系统日志); ???????????dataGridView2.ClearSelection(); ???????????dataGridView2.Rows[0].Selected = true; ???????}