Upnp协议模块 - UpnpClass.Cls，P2P路由器端口映射模块，代码写了两个晚上 查了N多资料 各位手下留情 留个版权吧，寻找Upnp设备，此函数使用的UDP多播进行消息传递。所以收发函数和 Tcp的不同，VB用Winsock多播用了 WSAJoinLeaf函数绑定-Upnp protocol module- UpnpClass.Cls, P2P router port mapping module, code written for two nights N more information check the mercy of you leave the copyright of it, looking Upnp device, this function uses UDP multicast messaging. So different transceiver functions and Tcp, VB using Winsock multicast function binding with the WSAJoinLeaf