获取本机IP

public static String GetLocalIp()
{
　　String[] Ips = GetLocalIpAddress();

　　foreach (String ip in Ips) if (ip.StartsWith("10.80.")) return ip;
　　foreach (String ip in Ips) if (ip.Contains(".")) return ip;

　　return "127.0.0.1";
}
public static String[] GetLocalIpAddress()
{
　　string hostName = Dns.GetHostName(); //获取主机名称
　　IPAddress[] addresses = Dns.GetHostAddresses(hostName); //解析主机IP地址

　　string[] IP = new string[addresses.Length]; //转换为字符串形式
　　for (int i = 0; i < addresses.Length; i++) IP[i] = addresses[i].ToString();

　　return IP;
}