c# 获取本机IP 实用代码

/// <summary>
        /// 获取本机IP
        /// </summary>
        /// <param name="complete">true 为完整IP false IP段</param>
        /// <returns></returns>
        public static string GetIP(bool complete)
        {
            try
            {
                IPHostEntry IpEntry = Dns.GetHostEntry(Dns.GetHostName());
                foreach (IPAddress item in IpEntry.AddressList)
                {
                    //AddressFamily.InterNetwork  ipv4
                    //AddressFamily.InterNetworkV6 ipv6
                    if (item.AddressFamily == AddressFamily.InterNetwork)
                    {
                        if (complete == true)
                        {
                            return item.ToString();
                        }
                        else
                        {
                            string[] iparr2 = item.ToString().Split('.');
                            if (iparr2.Length == 4)
                            {
                                return iparr2[0] + "." + iparr2[1] + "." + iparr2[2] + ".";
                            }
                        }
                    }
                }
                return "";
            }
            catch { return ""; }
        }