转载：

http://www.narkii.com/club/thread-396944-1.html

 

代码:

添加引用

using System.Net.Sockets;using System.Net;

private string GetIpAddress(){　　string hostName = Dns.GetHostName();   //获取本机名　　IPHostEntry localhost = Dns.GetHostByName(hostName);    //方法已过期，可以获取IPv4的地址　　//IPHostEntry localhost = Dns.GetHostEntry(hostName);   //获取IPv6地址　　IPAddress localaddr = localhost.AddressList[0];　　return localaddr.ToString();}