VB6.0中利用winsock控件 ，把其客户机的IP地址收集到服务器上，服务器再把IP发送到用户，使用户间可以建立简单的链接，进行文件传送等。(VB6.0 by use of the advantage of winsock control that his client's IP address to collect on the server, the server to send IP to the user, the user can be established between simple links, file transfer, etc.)