串口调试助手的源代码，可以参考下做法，我以前编的

利用139口和window的信使功能在网络上进行信息传送。- Carries on the information transmission using 139 with the window messenger function in the network.

udp协议仿真程序（接受端）-udp agreement simulation program (receivers)

带宽控制程序,包括带宽的传输速率的控制.-bandwidth control procedures, including bandwidth transmission rate control.

ndis底层开发，miniport 中间层，网络数据包拦截-NDIS underlying development, miniport middle layer, network intercept data packets

IPMsg2.06版源代码只能在VC6上编译，这是源程序的补丁，合并完后能在VC6和VS2003和以上版本都能成功编译。-IPMsg2.06 version of the source code only on the VC6 compiler, which is the source patch, After the merger in VC6 and pack and above all successful compiler versions.

局域网内的一个简单的聊天程序，分为服务器端与客户端两部分-LAN within a brief chat procedures, divided into server and client part 2

查看网卡信息，可以看IP，网关，子网码。-View card information, can see IP, gateway, subnet yards.

最基本的IE的实现,可实现网络连接.在VC6.0下编译通过.-IE the most basic realization of the network connection can be realized. In under VC6.0 compiler through.

一个类似oicq的网络聊天即时通程序-a similar network Live Chat instant messaging procedures

局域网聊天客户端与服务器端程序，可以传送文件，具有可扩展性，基于Winsock的VC编程。-LAN chat client and server-side program, you can transfer files with scalability, the VC based on Winsock programming.