获取Mac物理网卡

 public static Dictionary<string, string> GetDefaultAddressInfos()
        {
            Dictionary<string, string> pairs = new Dictionary<string, string>();
            var ip = from nic in NetworkInterface.GetAllNetworkInterfaces()
                     let searchSub = from p in nic.GetIPProperties().UnicastAddresses
                                     where p.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork && !System.Net.IPAddress.IsLoopback(p.Address)
                                     select p
                     where
                     nic.OperationalStatus == OperationalStatus.Up
                     && (nic.NetworkInterfaceType == NetworkInterfaceType.Ethernet || nic.NetworkInterfaceType == NetworkInterfaceType.Wireless80211)
                     && searchSub.Any() // && nic.GetIPProperties().GatewayAddresses.Count>0
                     select new { PhysicalAddress = nic.GetPhysicalAddress().ToString(), IPAddress = (searchSub).FirstOrDefault()?.Address.ToString() };
            ip.ToList().ForEach(ipx => pairs.Add(ipx.PhysicalAddress, ipx.IPAddress));
            return pairs;
        }
 public static Dictionary<string, string> GetDefaultAddressInfos()
        {
            Dictionary<string, string> pairs = new Dictionary<string, string>();
            var ip = from nic in NetworkInterface.GetAllNetworkInterfaces()
                     let searchSub = from p in nic.GetIPProperties().UnicastAddresses
                                     where p.Address.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork && !System.Net.IPAddress.IsLoopback(p.Address)
                                     select p
                     where
                     nic.OperationalStatus == OperationalStatus.Up
                     && (nic.NetworkInterfaceType == NetworkInterfaceType.Ethernet || nic.NetworkInterfaceType == NetworkInterfaceType.Wireless80211)
                     && searchSub.Any() // && nic.GetIPProperties().GatewayAddresses.Count>0
                     select new { PhysicalAddress = nic.GetPhysicalAddress().ToString(), IPAddress = (searchSub).FirstOrDefault()?.Address.ToString() };
            ip.ToList().ForEach(ipx => pairs.Add(ipx.PhysicalAddress, ipx.IPAddress));
            return pairs;
        }



  private static string GetMacAddressByNetworkInformation()
        {
            string key = "SYSTEM\\CurrentControlSet\\Control\\Network\\{4D36E972-E325-11CE-BFC1-08002BE10318}\\";
            string macAddress = string.Empty;
            try
            {
                NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();
                foreach (NetworkInterface adapter in nics)
                {
                    if (adapter.NetworkInterfaceType == NetworkInterfaceType.Ethernet
                        && adapter.GetPhysicalAddress().ToString().Length != 0)
                    {
                        string fRegistryKey = key + adapter.Id + "\\Connection";
                        RegistryKey rk = Registry.LocalMachine.OpenSubKey(fRegistryKey, false);
                        if (rk != null)
                        {
                            string fPnpInstanceID = rk.GetValue("PnpInstanceID", "").ToString();
                            int fMediaSubType = Convert.ToInt32(rk.GetValue("MediaSubType", 0));
                            if (fPnpInstanceID.Length > 3 &&
                               (fPnpInstanceID.Substring(0, 3) == "PCI" || fPnpInstanceID.Contains("PCI")))
                            {
                                macAddress = adapter.GetPhysicalAddress().ToString();

?                                break;
?                            }
?                        }
?                    }
?                }
?            }
?            catch (Exception)
?            {
?                //这里写异常的处理
?            }
?            return macAddress;
?        } 

 

获取Mac物理网卡

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