C # How to take hardware sign

/// public class hardwareinfo {// Take the machine name public string gethostname () {return system.net.dns.getHostName ();} // Take the CPU number public string getcpuid () {Try {managementClass MC = new ManagementClass ( "Win32_Processor"); ManagementObjectCollection moc = mc.GetInstances (); String strCpuID = null; foreach (ManagementObject mo in moc) {strCpuID = mo.Properties [ "ProcessorId"] value.ToString ();. break;} return strCpuID;} catch {return "";}} // end method // take the first disk ID public String GetHardDiskID () {try {ManagementObjectSearcher searcher = new ManagementObjectSearcher ( "SELECT * FROM Win32_PhysicalMedia"); String strHardDiskID = null Foreach (ManagementObject Mo in Searcher.get ()) {strharddiskid = Mo ["serialnumber"]. TOSTRING (). Trim (); break;} return strhardiSkid;} catch {return ";}}} // End 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 * / ncbrese T = 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 ushort 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.ByValArray, SizeConst = 10)] public byte [] ncb_reserve; public IntPtr ncb_event;} [StructLayout (LayoutKind.Sequential)] public struct LANA_ENUM {public byte length; [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.DLL")] 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 (LANA_ENUM)); Marshal.FreeHGlobal (Ncb .ncb_buffer; if (uretcode! = (short) ncbconst.nrc_goodret) return ""; for (int i = 0; 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]);}}} catch {} return addr.replace ('', '0');}}} Author Blog:

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