用c＃获取本机mac（通过dll调用）

using System;
using System.Net;
using System.Runtime.InteropServices;

public enum NCBCONST

[StructLayout(LayoutKind.Sequential)]
public struct ADAPTER_STATUS

[StructLayout(LayoutKind.Sequential)]
public struct NAME_BUFFER

[StructLayout(LayoutKind.Sequential)]
public struct NCB

[StructLayout(LayoutKind.Sequential)]
public struct LANA_ENUM

[StructLayout(LayoutKind.Auto)]
public struct ASTAT
public class Win32API

class GetMac
public static void Main()
string addr="";
int cb;
ASTAT adapter;
NCB Ncb=new NCB();
char uRetCode;
LANA_ENUM lenum;

Ncb.ncb_command = (byte)NCBCONST.NCBENUM;
cb = Marshal.SizeOf(typeof(LANA_ENUM));
Ncb.ncb_buffer = Marshal.AllocHGlobal(cb);
Ncb.ncb_length = (ushort)cb;
uRetCode = Win32API.Netbios(ref Ncb);
lenum = (LANA_ENUM)Marshal.PtrToStructure(Ncb.ncb_buffer, typeof(LANA_ENUM));
Marshal.FreeHGlobal(Ncb.ncb_buffer);
if(uRetCode != (short)NCBCONST.NRC_GOODRET)
Console.WriteLine("");

for(int i=0; i < lenum.length ;i++)
Ncb.ncb_command = (byte)NCBCONST.NCBRESET;
Ncb.ncb_lana_num = lenum.lana[i];
uRetCode = Win32API.Netbios(ref Ncb);
if(uRetCode != (short)NCBCONST.NRC_GOODRET)
Console.WriteLine( "");

Ncb.ncb_command = (byte)NCBCONST.NCBASTAT;
Ncb.ncb_lana_num = lenum.lana[i];
Ncb.ncb_callname[0]=(byte)'*';
cb = Marshal.SizeOf(typeof(ADAPTER_STATUS)) + Marshal.SizeOf(typeof(NAME_BUFFER))*(int)NCBCONST.NUM_NAMEBUF;
Ncb.ncb_buffer = Marshal.AllocHGlobal(cb);
Ncb.ncb_length = (ushort)cb;
uRetCode = Win32API.Netbios(ref Ncb);
adapter.adapt = (ADAPTER_STATUS)Marshal.PtrToStructure(Ncb.ncb_buffer, typeof(ADAPTER_STATUS));
Marshal.FreeHGlobal(Ncb.ncb_buffer);

if (uRetCode == (short)NCBCONST.NRC_GOODRET)
if(i>0)
addr += ":";
addr = string.Format("{0,2:X}{1,2:X}{2,2:X}{3,2:X}{4,2:X}{5,2:X}",
adapter.adapt.adapter_address[0],
adapter.adapt.adapter_address[1],
adapter.adapt.adapter_address[2],
adapter.adapt.adapter_address[3],
adapter.adapt.adapter_address[4],
adapter.adapt.adapter_address[5]);
}
}
Console.WriteLine( addr.Replace(' ', '0'));
}
}