using System;
using System.Management;
using System.Net;
public class Program
{
 static void Main(string[] args)
 {
  try
  {
  string ip = "";
  string mac = "";
  ManagementClass mc;
  string hostInfo = Dns.GetHostName();
  //IP地址
  //System.Net.IPAddress[] addressList = Dns.GetHostByName(Dns.GetHostName()).AddressList;這個過時
   System.Net.IPAddress[] addressList = Dns.GetHostEntry(Dns.GetHostName()).AddressList;
  for (int i = 0; i < addressList.Length; i++)
  {
   ip = addressList[i].ToString();
  }
  //mac地址
  mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
  ManagementObjectCollection moc = mc.GetInstances();
  foreach (ManagementObject mo in moc)
  {
   if (mo["IPEnabled"].ToString() == "True")
   {
   mac = mo["MacAddress"].ToString();
   }
  }
  //輸出
  string outPutStr = "IP:{0},\n MAC地址:{1}";
  outPutStr = string.Format(outPutStr, ip, mac);
  Console.WriteLine(outPutStr);
  }
  catch (Exception e)
  { }
  Console.ReadLine();
 }
}