如何设置多播套接字属性，并使用它时，多播路由问题。

一个基于控件的网络编程ＶＣ界面，供大家参考学习-control of a network-based VC programming interface for reference learning

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

在ASP.NET中存取图片到数据库的示例-in ASP.NET Photo access to the database example

类似netstatp的获得当前所有tcp连接信息，数据包发送接收等信息的的程序-Netstatp similar access to all current tcp connection information, data packets sent to receive this information, including procedures

WinPcap API编程。实现获得指定IP范围的MAC地址。-WinPcap API programming. Achieving access to designated IP scope of the MAC address.

一个小巧的HTTP静态HTML服务器，你可以通过它稍加修改就可以实现到应用程序的软件接口哦-This is a cute Http server handling static HTML pages. It is easier to conform the application interfaces by little modification of the server.

VC++6编译，UDP组播程序，分为发射端和接收端两个部分，这是接收端程序-VC 6 compiler, UDP Multicast procedures, divided into transmitter and receiver in two parts, which is receiving end procedures

套接字编程，实现网络客户服务器间简单通行-qqqqqqqqqqqqqq

SocketAPI的程序-Socket API procedures