C#获取设备的IP和Mac类

 /// <summary>
    /// 此类用于获得设备的Ip和Mac
    /// </summary>
    public class Mac
    {
        [DllImport("Iphlpapi.dll")]
        private static extern int SendARP(Int32 dest, Int32 host, ref Int64 mac, ref Int32 length);
        [DllImport("Ws2_32.dll")]
        private static extern Int32 inet_addr(string ip); 

        //获取本机的IP
        public string getLocalIP()
        {
            string strHostName = Dns.GetHostName(); //得到本机的主机名
            IPHostEntry ipEntry = Dns.GetHostEntry(strHostName); //取得本机IP
            string strAddr = ipEntry.AddressList[0].ToString();
            return (strAddr);
        }
        //获取本机的MAC
        public string getLocalMac()
        {
            string mac = null;
            ManagementObjectSearcher query = new ManagementObjectSearcher("SELECT * FROM Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection queryCollection = query.Get();
            foreach (ManagementObject mo in queryCollection)
            {
                if (mo["IPEnabled"].ToString() == "True")
                    mac = mo["MacAddress"].ToString();
            }
            return (mac);
        }

    }