用于PowerBuilder打印预览，可打印文字和图形并可进行放缩。

VS2005典型实例源码大全(C#)，这是一些比较好的实例，对于初学者的是一大帮助。-VS2005 Guinness classic example of source code (C#), This is some of the better examples, for beginners is a big help.

用VC编写的socket小程序，有客户端和服务端，两者3次握手建立连接，用到了最基本的socket，bind，listen，send，receive，函数，非常适合初学者，我就是用这个例子学习的socket编程，很经典的例子有，还有小界面-Socket using a small program written in VC, there are client and server, the two three-way handshake to establish a connection, use the most basic socket, bind, listen, send, receive, function, very suitable for beginners, but I just use this example to learn socket programming, it is the classic case in point, there is a small interface

微软的底层网络程序演示代码：iparp、ipchange、ipconfig、iprenew、iproute、ipstat。-Microsoft"s demonstration of the underlying network programming code : iparp, ipchange, show you your, iprenew, iproute, ipstat.

这是帮人完成的本地IP地址查询实验.可以查询本机的ip地址。 -this is to help people complete the local IP address inquiries experiment. The machine can find the ip address.

凡是具有pop3协议的收件邮箱和smtp协议的发件邮箱，均可通过本系统来收发邮件。包括了收发邮箱的各项常用功能-any agreement with pop3 mail and acceptance of the agreement smtp mail pieces can be through the system to send and receive mail. The transceiver includes the commonly used mail function

基于Winsock2的支持断点续传和SOCKS代理的HTTP下载类，支持断点续传和HTPPGET、SOCKS4、SOCKS4A、SOCKS5代理协议， 支持HTTP BASIC验证和PROXY验证，同时提供SOCKS函数库和基于WINSOCK2重叠IO和事件 对象的Winsock2函数库。-based Winsock2 support HTTP and SOCKS Agent HTTP download categories, support and HTPPGET HTTP, SOCKS4, SOCKS4A, SOCKS5 agency agreement to support HTTP PROXY BASIC authentication and certification, along with libraries and SOCKS-based IO WINSOCK2 overlapping objects and events, the Winsock2 libraries.

UDP通信实例，很简单，是在。NET框架下写的-UDP communication examples, very simple in. NET framework written in

短信网关，一个用VC++开发的源代码。可以为企业开发自己的短信网管服务器作为借鉴。-Short Message Gateway is a source code written by VC++.This can help enterprice to develop private short message manager server.

一个用C写的SOCKET通信程序-a written communication program SOCKET

一个用asp.net完成的流行乐坛系统（NET）！-Asp. Net with a complete system of popular music (NET)!