可以实现NAT下的多重穿透（聊天室源码)

Wlan implemenrtation

用Ｅｖｃ开发的一些关于文件操作的程序实例源码，供大家下载参考学习-Evc development with a number of documents on the operation of the source code examples procedures for downloading information learning

OPC DA 的Visual C++客户端控件，带源码，是学习OPC的好例子。.. -Visual C client controls, with the source code, is to learn from the good example of OPC. ..

通过在远端主机上搭建一个远程字典服务服务器，其它主机可以通过客户端程序 RemoteLookup将所需要查询的单词传送给远程主机，远程主机字典服务服务器将单词的中文释义结果返回给客户端主机，在启动服务端后，即可用客户端在线查询单词，程序示范了运用没有封装的SOCKET以及Windows SDK编程的典型过程。 -Through the structures on the remote host a remote dictionary service server, other hosts can RemoteLookup client program will need to send word query the remote host, remote hosting service server dictionary word to return to the Chinese interpretation of the results to the client host, in client start-up services, you can use client-side online query word, the program has not demonstrated the use of packaging as well as the Windows SDK programming SOCKET typical process.

Download:网页下载工具 用来通过HTTP协议下载的程序，支持断点续传和多线程下载。 注意，该程序一次只能下载一个任务，那个列表虽然可以拉很多进去，不过是摆设。-Download : website tools to the adoption of the HTTP protocol to download procedures, support HTTP download and multithreading. Note that this procedure can only be downloaded once a task that although the list can pull into the lot, but yes display.

本软件是用VB制作的，用于电脑与西门子S7-200PLC(PPI协议)进行通讯，如果您想用VB开发S7-200PLC(PPI协议)上位机控制界面，此软件是您的好帮手！ 1、可以写入、读出寄存器的数值（字节、字、双字）； 2、可以进行元件（V、M、S、Q、I）的置、复位操作； 3、可以读取元件（V、M、S、Q、I）的ON/OFF状态。 4、可以控制PLC的运行、停止。-A simple application of Visual C++

介绍一些socket编程的基础知识，希望能对你有帮助！-Introduce some basics of socket programming, hoping to help you!

CAsyncSocketEx，一个很好用的CAsyncSocket扩展类-CAsyncSocketEx, a very easy to use CAsyncSocket expansion class

MFC,使用socket写的客户端聊天工具,可以多人同时聊天-MFC, use the socket to write client-side chat tool, you can chat with people at the same time

风讯系统对于新华网之类的网站无法下载，这个程序是为了解决这个问题而编写的。-Xinhuanet system for such sites can not be downloaded, the procedure is to solve the problem of preparation.