C # The method of acquiring machine code (machine name, CPU number, hard disk number, Nic Mac, etc.) _c# tutorial

The example in this article describes how C # obtains machine code. Share to everyone for your reference, specific as follows:

Using System.Runtime.InteropServices;
Using System.Management;
Using System;
  public class Hardwareinfo {//Fetch machine name public string GetHostName () {return System.Net.Dns.GetHostName (); ///Fetch 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 hard drive number public String Getharddiskid () {try {ManagementObjectSearcher searcher = n
      EW ManagementObjectSearcher ("SELECT * from Win32_physicalmedia");
      String strharddiskid = null; foreach (ManagementObject mo in searcher. Get ()) {Strharddiskid = mo["SerialNumber"]. ToString ().
        Trim ();
      Break Return StrharDdiskid;
    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 */NCBR
  ESET =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, Sizeco
    NST=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), Sizecon st= (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; The public class Win32API {[DllImport ("NETAPI32.
  DLL ")] public static extern char Netbios (ref NCB NCB);
    ///Fetch NIC Mac public string getmacaddress () {string Addr= "";
      try {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 < 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) return ""; 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.a DAPTER_ADDRESS[1], adapter.adapt.adapter_address[2], adapter.adapt.adapter_address[3], adapt
        ER.ADAPT.ADAPTER_ADDRESS[4], adapter.adapt.adapter_address[5]); } ' catch {} return addr.
  Replace (', ' 0 ');

 }
}

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