C#获取硬件信息类

using System; 
using System.Runtime.InteropServices; 
using System.Management; 

namespace Hardware 
{ 
  public class MyClass
  {
    static void Main()
    {
      HardwareInfo  hardInfo = new HardwareInfo();
      Console.WriteLine("机器名: "+hardInfo.GetHostName());
      Console.WriteLine("CPU编号: "+hardInfo.GetCpuID());
      Console.WriteLine("第一块硬盘编号: "+hardInfo.GetHardDiskID());
      Console.WriteLine("MAC地址: "+hardInfo.GetMacAddress());
      return;
    }
    
  }

  public class HardwareInfo 
  { 
    //取机器名  
    public string GetHostName() 
    { 
        return System.Net.Dns.GetHostName(); 
    } 
    //取CPU编号 
    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 

    //取第一块硬盘编号 
    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 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                              */ 
        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 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 = ""; 
        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.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'); 
    } 
  }
}