使用手机发送段信的源码，包括串口操作和AT指令集。使用vb.net编写。...

一个网络开发库(ipx)的例子程序--A example program of network development library (ipx)

内容详细，在win2k,xp下调试通过，适合有一定基础的朋友学习，欢迎联系!-Detailed in win2k, xp debugging through, have a certain foundation for studying friend, welcome to contact!

这是一个基于API自己定义的ServerSocket封装基类。-This is an API based on their own definition of ServerSocket Packaging base class.

初始化管理员帐号：admin 密码：admin 　　初始化一般用户帐号：user密码：user 　　初始化新注册用户帐号：guest密码：guest 以这三种权限登录，都将返回不同的页面。 如果在管理用户的时候不小心把“admin”或者你后来添加的系统管理员删除了，你可以打开“jgxx.mdb”数据库来，然后在"yonghu"表中添加“uname","upassword","upassword","uxinming","uaccesslevel"字段填充记录，注意这些字段每一个字段都是必填的，另："uaccesslevel"字段值填“2”为最高级系统管理员级别。 “1”为普通用户级别，即只可以查看使用，不得添加和修改数据。“0”最低级别 注意数据库保密，您可以修改数据库名称，或者路径，你然后在"conn.asp"数据库连接中再做相应修改-initialization administrator account : admin Password : admin initialization general user account : user password : user initialization new user account : guest Password : guest to the three powers Login, will return to different pages. If users in the management of not careful, "admin" or later you add the system administrator to delete, you can open the "jgxx.mdb" database, and then "yonghu" Table adding "uname", "upassword", "upassword", "uxinming , "" uaccesslevel "field filled with records, the attention of each one of these fie

滑动窗口协议，描述通信双方如何利用滑动窗口协议来进行通信。-Sliding Window Protocol, describing both how to use the sliding window communication protocol to communicate.

端口扫描源代码 可以改写成局域网的扫描器，对于需进行端口扫描的用户很有用处。- The port scanning source code may rewrite the local area network the scanner, regarding must carry on the user which the port scans to have the use very much.

这段代码是用VB.NET版2012

VB远程网络监视、文件传输、消息发送实例程序

ip多播示例程序-ip multicast sample program

控制中常常要测试被通讯协议理解的正确性，看完这个代码，自己动手写一个吧，不用再求人了。--自创-control often to test the communication protocol understood by the correctness, reading the code, to write himself a bar, do not have to ask for the.-- Inventing