using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;

using?System.Security.Permissions;
using?System.Management;
using?Microsoft.Win32;
using?System.Net.NetworkInformation;
using?System.Text.Regularexpressions;


namespace?MACAddressTool
{
????public?partial?class?Form1?:?Form
????{
????????public?class?Adapter
????????{
????????????public?Managementobject?adapter;
????????????public?string?adaptername;
????????????public?string?customname;
????????????public?int?devnum;

????????????public?Adapter（Managementobject?a?string?aname?string?cname?int?n）
????????????{
????????????????this.adapter?=?a;
????????????????this.adaptername?=?aname;
????????????????this.customname?=?cname;
????????????????this.devnum?=?n;
????????????}

????????????public?Adapter（NetworkInterface?i）?:?this（i.Description）?{?}

????????????public?Adapter（string?aname）
????????????{
????????????????this.adaptername?=?aname;

????????????????var?searcher?=?new?ManagementobjectSearcher（“select?*?from?win32_networkadapter?where?Name=‘“?+?adaptername?+?“‘“）;
????????????????var?found?=?searcher.Get（）;
????????????????this.adapter?=?found.Castject>（）.FirstOrDefault（）;

????????????????//?Extract?adapter?number;?this?should?correspond?to?the?keys?under
????????????????//?HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\{4d36e972-e325-11ce-bfc1-08002be10318}
????????????????try
????????????????{
????????????????????var?match?=?Regex.Match（adapter.Path.RelativePath?“\\\“（\\d+）\\\“$“）;
????????????????????this.devnum?=?int.Parse（match.Groups[1].Value）;
????????????????}
????????????????catch
????????????????{
????????????????????return;
????????????????}

????????????????//?Find?the?name?the?user?gave?to?it?in?“Network?Adapters“
????????????????this.customname?=?NetworkInterface.GetAllNetworkInterfaces（）.Where（
????????????????????i?=>?i.Description?==?adaptername
????????????????）.Select（
????????????????????i?=>?“?（“?+?i.Name?+?“）“
????????????????）.FirstOrDefault（）;
????????????}

????????????public?NetworkInterface?ManagedAdapter
????????????{
????????????????get
????????????????{
????????????????????return?NetworkInterface.GetAllNetworkInterfaces（）.Where（
????????????????????????nic?=>?nic.Description?==?this.adaptername
????????????????????）.FirstOrDefault（）;
????????????????}
????????????}

????????????public?string?Mac
????????????{
????????????????get
????????????????{
????????????????????try
????????????????????{
????????????????????????return?BitConverter.ToString（this.ManagedAdapter.GetPhysicalAddress（）.GetAddressBytes（））.Replace（“-“?““）.ToUpper（）;
????????????????????}
????????????????????catch?{?return?null;?}
????????????????}
????????????}

????????????public?string?RegistryKey
????????????{
????????????????get
????????????????{
????????????????????return?String.Format（@“SYSTEM\ControlSet0