C# 获取网卡信息

获取网卡信息

        static void Main(string[] args)
        {
            ShowNetworkInterfaces();
            Console.Read();
        }

        public static void ShowNetworkInterfaces()
        {
            IPGlobalProperties computerProperties = IPGlobalProperties.GetIPGlobalProperties();
            NetworkInterface[] nics = NetworkInterface.GetAllNetworkInterfaces();
            Console.WriteLine("Interface information for {0}.{1}     ",
                    computerProperties.HostName, computerProperties.DomainName);
            if (nics == null || nics.Length < 1)
            {
                Console.WriteLine("  No network interfaces found.");
                return;
            }

            Console.WriteLine("  Number of interfaces .................... : {0}", nics.Length);
            foreach (NetworkInterface adapter in nics)
            {
                #region " 网卡类型 "
                string fCardType = "未知网卡";
                string fRegistryKey = "SYSTEM\CurrentControlSet\Control\Network\{4D36E972-E325-11CE-BFC1-08002BE10318}\" + adapter.Id + "\Connection";
                RegistryKey rk = Registry.LocalMachine.OpenSubKey(fRegistryKey, false);
                if (rk != null)
                {
                    // 区分 PnpInstanceID   
                    // 如果前面有 PCI 就是本机的真实网卡  
                    // MediaSubType 为 01 则是常见网卡，02为无线网卡。  
                    string fPnpInstanceID = rk.GetValue("PnpInstanceID", "").ToString();
                    int fMediaSubType = Convert.ToInt32(rk.GetValue("MediaSubType", 0));
                    if (fPnpInstanceID.Length > 3 &&
                        fPnpInstanceID.Substring(0, 3) == "PCI")
                        fCardType = "物理网卡";
                    else if (fMediaSubType == 1)
                        fCardType = "虚拟网卡";
                    else if (fMediaSubType == 2)
                        fCardType = "无线网卡";
                }
                #endregion
                #region IP 版本 
                string versions = "";
                // Create a display string for the supported IP versions.
                if (adapter.Supports(NetworkInterfaceComponent.IPv4))
                {
                    versions = "IPv4";
                }
                if (adapter.Supports(NetworkInterfaceComponent.IPv6))
                {
                    if (versions.Length > 0)
                    {
                        versions += " ";
                    }
                    versions += "IPv6";
                }
                #endregion IP 版本

                IPInterfaceProperties properties = adapter.GetIPProperties();
                Console.WriteLine();
                Console.WriteLine(fCardType + " : " + adapter.Description);
                Console.WriteLine(String.Empty.PadLeft(adapter.Description.Length, '='));
                Console.WriteLine("  Id ...................................... : {0}", adapter.Id); // 获取网络适配器的标识符  
                Console.WriteLine("  Name .................................... : {0}", adapter.Name); // 获取网络适配器的名称  
                Console.WriteLine("  Description ............................. : {0}", adapter.Description); // 获取接口的描述  
                Console.WriteLine("  Interface type .......................... : {0}", adapter.NetworkInterfaceType); // 获取接口类型  
                Console.WriteLine("  IP version .............................. : {0}", versions);
                Console.WriteLine("  IP Properties ........................... : {0}", string.Join(" ; ", adapter.GetIPProperties().AnycastAddresses.Select(o => o.Address.ToString()).ToArray()));
                Console.WriteLine("  IP Properties ........................... : {0}", string.Join(" ; ", adapter.GetIPProperties().DhcpServerAddresses.Select(o => o.ToString()).ToArray()));
                Console.WriteLine("  IP Properties ........................... : {0}", string.Join(" ; ", adapter.GetIPProperties().DnsAddresses.Select(o => o.ToString()).ToArray()));
                Console.WriteLine("  IP Properties ........................... : {0}", adapter.GetIPProperties().DnsSuffix);
                Console.WriteLine("  IP Properties ........................... : {0}", string.Join(" ; ", adapter.GetIPProperties().GatewayAddresses.Select(o => o.Address.ToString()).ToArray()));
                Console.WriteLine("  IP Properties ........................... : {0}", adapter.GetIPProperties().IsDnsEnabled);
                Console.WriteLine("  IP Properties ........................... : {0}", adapter.GetIPProperties().IsDynamicDnsEnabled);
                Console.WriteLine("  IP Properties ........................... : {0}", string.Join(" ; ", adapter.GetIPProperties().MulticastAddresses.Select(o => o.Address.ToString()).ToArray()));

                // The adapters for IP address.
                IPInterfaceProperties fIPInterfaceProperties = adapter.GetIPProperties();
                UnicastIPAddressInformationCollection UnicastIPAddressInformationCollection = fIPInterfaceProperties.UnicastAddresses;
                foreach (UnicastIPAddressInformation UnicastIPAddressInformation in UnicastIPAddressInformationCollection)
                {
                    if (UnicastIPAddressInformation.Address.AddressFamily == AddressFamily.InterNetwork)
                        Console.WriteLine("  Ip Address .............................. : {0}", UnicastIPAddressInformation.Address); // Ip 地址  
                }
                Console.WriteLine("  Physical Address ........................ : {0}", adapter.GetPhysicalAddress().ToString()); // MAC 地址  
                Console.WriteLine("  Operational status ...................... : {0}", adapter.OperationalStatus); // 获取网络连接的当前操作状态  
                Console.WriteLine("  DNS suffix .............................. : {0}", properties.DnsSuffix);
                Console.WriteLine("  DNS enabled ............................. : {0}", properties.IsDnsEnabled);
                Console.WriteLine("  Dynamically configured DNS .............. : {0}", properties.IsDynamicDnsEnabled);
                Console.WriteLine("  Receive Only ............................ : {0}", adapter.IsReceiveOnly);
                Console.WriteLine("  Multicast ............................... : {0}", adapter.SupportsMulticast);
                Console.WriteLine("  Speed ................................... : {0}", adapter.Speed); // 网络接口的速度  

                //// The following information is not useful for loopback adapters.
                //if (adapter.NetworkInterfaceType == NetworkInterfaceType.Loopback)
                //{
                //    continue;
                //}
                if (adapter.Supports(NetworkInterfaceComponent.IPv4))
                {
                    IPv4InterfaceProperties ipv4 = properties.GetIPv4Properties();
                    if (ipv4 != null)
                    {
                        Console.WriteLine("  MTU ..................................... : {0}", ipv4.Mtu);
                        Console.WriteLine("  MTU Index ............................... : {0}", ipv4.Index);
                        Console.WriteLine("  MTU Automatic Private Addressing Active . : {0}", ipv4.IsAutomaticPrivateAddressingActive);
                        Console.WriteLine("  MTU Automatic Private Addressing Enabled. : {0}", ipv4.IsAutomaticPrivateAddressingEnabled);
                        Console.WriteLine("  MTU Dhcp Enabled ........................ : {0}", ipv4.IsDhcpEnabled);
                        Console.WriteLine("  MTU Forwarding Enabled .................. : {0}", ipv4.IsForwardingEnabled);
                        if (ipv4.UsesWins)
                        {
                            IPAddressCollection winsServers = properties.WinsServersAddresses;
                            if (winsServers.Count > 0)
                            {
                                Console.WriteLine("  WINS Servers ............................ : {0}", winsServers);
                                Console.WriteLine("  WINS Servers Read Only .................. : {0}", winsServers.IsReadOnly);
                            }
                        }
                    }
                }

                Console.WriteLine();
            }
        }