获取本机ip

/// <summary>
/// 获取本机ip
/// </summary>
/// <returns></returns>
public static string getLocalIP()
{
         string strHostName = Dns.GetHostName(); //得到本机的主机名
         IPHostEntry ipEntry = Dns.GetHostByName(strHostName); //取得本机IP
         string strAddr = ipEntry.AddressList[0].ToString();
         return (strAddr);
}