winform C# 获取区分物理网卡、虚拟网卡及无线网卡

using System;   
using System.Collections.Generic;   
using System.Text;   
using System.Net;   
using System.Net.NetworkInformation;   
using System.Net.Sockets;   
using Microsoft.Win32;   
namespace ConsoleDemo   
{   
    /// 
   
    /// 标题：区分本地网卡、虚拟网卡及无线网卡   
    /// 作者：X.X.Y   
    /// 日期：2009-08-03   
    /// 描述：测试环境 VS2008 + XP   
    /// 
   
    class Program   
    {   
        static void Main(string[] args)   
        {   
            ShowNetworkInterfaceMessage();   
        }   
        /// 
   
        /// 显示本机各网卡的详细信息   
        /// 
   
        public static void ShowNetworkInterfaceMessage()   
        {   
            NetworkInterface[] fNetworkInterfaces = NetworkInterface.GetAllNetworkInterfaces();   
            foreach (NetworkInterface adapter in fNetworkInterfaces)   
            {  
                #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 " 网卡信息 "   
                Console.WriteLine("-----------------------------------------------------------");   
                Console.WriteLine("-- " + fCardType);   
                Console.WriteLine("-----------------------------------------------------------");   
                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("Is receive only...... : {0}", adapter.IsReceiveOnly); // 获取 Boolean 值，该值指示网络接口是否设置为仅接收数据包。   
                Console.WriteLine("Multicast............ : {0}", adapter.SupportsMulticast); // 获取 Boolean 值，该值指示是否启用网络接口以接收多路广播数据包。   
                Console.WriteLine("Speed ............... : {0}", adapter.Speed); // 网络接口的速度   
                Console.WriteLine("Physical Address .... : {0}", adapter.GetPhysicalAddress().ToString()); // MAC 地址   
                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();  
                #endregion   
            }   
            Console.ReadKey();   
        }   
    }   
}  

原文地址：http://blog.csdn.net/sabty/archive/2009/08/03/4404488.aspx