Use C # to access the NIC MAC address

public enum NCBCONST {NCBNAMSZ = 16, / * absolute length of a net name * / MAX_LANA = 254, / * lana ''s in range 0 to MAX_LANA inclusive * / NCBENUM = 0x37, / * NCB ENUMERATE LANA NUMBERS * / NRC_GOODRET = 0x00, / * good return * / ncbreset = 0x32, / * ncb reset * / ncbastat = 0x33, / * ncb adapter status * / num_namebuf = 30, / * Number of name ''s buffer * /}

[StructLayout (LayoutKind.Sequential)] public struct ADAPTER_STATUS {[MarshalAs (UnmanagedType.ByValArray, SizeConst = 6)] public byte [] adapter_address; public byte rev_major; public byte reserved0; public byte adapter_type; public byte rev_minor; public ushort duration; public ushort frmr_recv; public ushort frmr_xmit; public ushort iframe_recv_err; public ushort xmit_aborts; public uint xmit_success; public uint recv_success; public ushort iframe_xmit_err; public ushort recv_buff_unavail; public ushort t1_timeouts; public ushort ti_timeouts; public uint reserved1; public ushort free_ncbs; public ushort Max_cfg_ncbs; public ushort max_ncbs; public ushort xmit_buf_unavail; public ushort max_dgram_size; public ushort pending_sess; public ushort max_cfg_ Sess; public ushort max_sess; public ushort max_sess_pkt_size; public usort name_count;}

[StructLayout (LayoutKind.Sequential)] public struct NAME_BUFFER {[MarshalAs (UnmanagedType.ByValArray, SizeConst = (int) NCBCONST.NCBNAMSZ)] public byte [] name; public byte name_num; public byte name_flags;} [StructLayout (LayoutKind.Sequential )] public struct NCB {public byte ncb_command; public byte ncb_retcode; public byte ncb_lsn; public byte ncb_num; public IntPtr ncb_buffer; public ushort ncb_length; [MarshalAs (UnmanagedType.ByValArray, SizeConst = (int) NCBCONST.NCBNAMSZ)] public byte [ ] ncb_callname; [MarshalAs (UnmanagedType.ByValArray, SizeConst = (int) NCBCONST.NCBNAMSZ)] public byte [] ncb_name; public byte ncb_rto; public byte ncb_sto; public IntPtr ncb_post; public byte ncb_lana_num; public byte ncb_cmd_cplt; [MarshalAs (UnmanagedType .Bevalarray, SiZEConst = 10)] public byte [] ncb_reserve; public intptr ncb_event; }

[StructLayout (layoutkind.sequential] public struct lant; [marshalas (unmanagedtype.byvalarray, sizeconst = (int) ncbconst.max_lana)] public byte [] lana;}

[StructLayout (LayoutKind.Auto)] public struct ASTAT {public ADAPTER_STATUS adapt; [MarshalAs (UnmanagedType.ByValArray, SizeConst = (int) NCBCONST.NUM_NAMEBUF)] public NAME_BUFFER [] NameBuff;} public class Win32API {[DllImport ( "NETAPI32. ")] Public static extern char Netbios (Ref NCB NCB);} public string getMacaddress () {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 (lanta_enum)); Marshal.FreeHGlobal (ncb.ncb_buffer); if (Uretcode! = (Short) ncbconst.nrc_goodret) Return ""

For (int i = 0; i

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]);}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Return addr.replace ('' ',' '0');}