用于PowerBuilder打印预览，可打印文字和图形并可进行放缩。

VC下基于winsock2的组播程序，包含有服务器端和客户端，可以将客户端拷贝的不同机器上测试组播。含有详尽的注释和调试说明。-VC-based Multicast Winsock2 procedures, contains a server-side and client, you can copy the client on different machines to test multicast. Contains a detailed description of the Notes and debugging.

一个为触摸屏写的浏览器程序，带一个软键盘 (VC, 180KB)-a touch screen to write browser procedures, with a soft keyboard (VC, 180KB)

c++ builder socket 通讯-c++ builder socket communication

5大IO模型之四：asyncselect模型，介绍asyncselect模型的一般编程流程。-five large IO model four : asyncselect model, the model introduced asyncselect general programming process.

简单好用的HTTP服务程序，设定好发布的内容后，可以使用浏览器进行浏览！-Easy-to-use HTTP server program, set up after the release, you can use the browser to browse!

可以完成基本的网页浏览似的学生掌握HTTP协议的相关知识，加深对客户/服务器的工作模式的认识，并进一步锻炼学生的网络软件编程能力和解决实际问题的能力。-Can complete a basic web browser HTTP protocol like students to master knowledge, deepen their understanding of client/server mode of understanding and to further our students the capacity and network software programming to solve practical problems.

一个客户端和服务器文件传输的例子，对网路编程有帮助，类似FTP-a client and server file transfer example, the Internet programming help, similar to FTP

文件传输程序几源码，网络传输开发，从事TCPIP技术-file transfer procedures several source, network transmission development, technical engaged TCPIP

用于下载文件，还可以用于更新网络文件，还可用于加密文件。-Used to download files, but also can be used to update the network files, can also be used to encrypt files.

udp传输GPS数据,功能齐全,可做参考,运行成功,大家可以-udp transfer GPS data, functions, reference can be run successfully, we can