using System.Net;namespace Jihua.Cnblogs.Com{    class NetHelper    {        /// 
        /// 获取所有本机IP地址，包括局域网IP和本机外网IP（如果有）        /// 
        /// 
     
      192.168.1.10|220.181.112.143
             public static string GetAllIP()        {            IPAddress[] IP = Dns.GetHostAddresses(Dns.GetHostName());            int m_count = IP.Length;            string m_AllIP = string.Empty;            for (int i = 0; i < m_count; i++)            {                if (i > 0)                   m_AllIP=  m_AllIP+"|";                m_AllIP += IP[i].ToString() ;                            }            return m_AllIP;        }    }}