该文件详细介绍开发过程中的具体问题.他给设计者很好的借鉴功能.是开发人员比被东西....

* 本程序是一个简单的端口扫描程序，使用TCP SOCKET * 依次试连接目标主机的端口，以此判断端口开放与否。 * 程序设计上使用了线程池，共100个线程。-* The procedure is a simple port scanning procedures, the use of TCP socket* followed test objectives mainframe connectivity ports in order to judge whether to open ports.* Procedures for the use of the design thread pool, a total of 100 threads.

用vc编的简单聊天室,调用csoket来实现-vc series with a simple chat room, calling to achieve csoket

简单的网上邻居功能。获取局域网网络基本资源-Simple Network Neighborhood feature. LAN network access to basic resources

非常有用的构造并发送IP/UDP/ICMP数据包的程序-A useful program which can construct and send IP/UDP/ICMP data packets

windows网络编程之WSAAsyncSelect模型-windows network"s programming model WSAAsyncSelect

ping命令的实现，能够完成ping-ping order to achieve, to complete ping

一个“Ping”程序，主要包括：填写一个ICMP回响请求报文，以数据报的方式向目标主机发送，然后接收目标主机回送的ICMP回响应答报文，若成功，给出提示信息。-a "Ping" procedures, including : a complete response ICMP request packet, Data reported to the mainframe sent to the target and then receiving sent back to the mainframe objectives of the ICMP response Reply message, If successful, and given a message.

实现功能：・ 用户上线・包括新用户上线和已使用过该系统的用户上线・每位在线的用户将会收到该用户上线的通知・该用户会收到所有已在线的用户的信息・朋友下线 　・服务器端删除该用户信息・每位在线的用户将会收到该用户下线的通知，同时删除改用户的信息・聊天终止，文件传输终止・　修改用户名字・用户可以在对应的文本框内直接修改名称・用户可以在保存的Myinfo.txt中直接修改名称・　聊天功能：・公聊：所有在线的用户都可以看到你的发言・私聊：能和所有以在线的用户进行私聊，其他用户看不到私聊对象之间的聊天　　・文件传输　　・能给所有的已在线用户发送文件（先打开私聊窗口）　　・只能给一位用户发送文件，但是却可以接收多个用户发送的文件・查看历史记录　　・可以查看私聊的聊天记录　　・可以查看公聊的聊天记录　　・可以查看服务器端的所有记录-achieve functional : on-line users, including new users on line and have used the system users on the line every online users will be received by the users of on-line users will be notified of the receipt of all users of online information Linear friends server to delete the user information each of the Line users will receive the notification from the assembly line users, delete users change the information termination chat, file transfer, termination of modifying user names users can text box corresponding directly alter the names of users can keep Myinfo.txt directly change the name chat : public talk : all online users can se

使用C#语言实现通过FTP服务器下载文件,有下载文件进度显示!-using C# language through FTP server download files, download files show progress!

基于三层架构的网上书店，使用seqserver数据库-Based on the three-tier online bookstore, the use of database seqserver