C#封裝獲得機器（CPU、硬碟、BIOS、MAC地址）資訊

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using System.Management;

namespace MyQuery.Utils
{
    /// <summary>
    /// 封裝獲得機器資訊
    /// by 賈世義 2011-4-26
    /// </summary>
    public static class MachineHelper
    {
        ///<summary>
        ///return   Volume   Serial   Number   from   hard   drive  
        ///</summary>  
        ///<param   name="strDriveLetter">[optional]   Drive   letter</param>  
        ///<returns>[string]   VolumeSerialNumber</returns>  
        public static string GetVolumeSerial(string strDriveLetter)
        {
            if (strDriveLetter == "" || strDriveLetter == null) strDriveLetter = "C";
            ManagementObject disk =
                    new ManagementObject("win32_logicaldisk.deviceid=\"" + strDriveLetter + ":\"");
            disk.Get();
            return disk["VolumeSerialNumber"].ToString();
        }

        ///<summary>  
        ///Returns   MAC   Address   from   first   Network   Card   in   Computer  

        ///</summary>  
        ///<returns>[string]   MAC   Address</returns>  
        public static string GetMACAddress()
        {
            ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
            ManagementObjectCollection moc = mc.GetInstances();
            string MACAddress = String.Empty;
            foreach (ManagementObject mo in moc)
            {
                if (MACAddress == String.Empty)     //   only   return   MAC   Address   from   first   card  

                {
                    if ((bool)mo["IPEnabled"] == true)
                    {
                        MACAddress = mo["MacAddress"].ToString();
                    }
                }
                else
                {
                    break;
                }
                mo.Dispose();
            }
            MACAddress = MACAddress.Replace(":", "");
            return MACAddress;
        }
        ///<summary>  
        ///Return   processorId   from   first   CPU   in   machine  
        ///</summary>  
        ///<returns>[string]   ProcessorId</returns>  
        public static string GetCPUId()
        {
            string cpuInfo = String.Empty;
            string temp = String.Empty;
            ManagementClass mc = new ManagementClass("Win32_Processor");
            try
            {
                ManagementObjectCollection moc = mc.GetInstances();
                foreach (ManagementObject mo in moc)
                {
                    if (cpuInfo == String.Empty)
                    {//   only   return   cpuInfo   from   first   CPU  
                        cpuInfo = mo.Properties["ProcessorId"].Value.ToString();
                    }
                    else
                    {
                        break;
                    }
                }
            }
            catch
            {
                cpuInfo = AppDomain.CurrentDomain.BaseDirectory;
            }
            finally
            {
                mc.Dispose();
            }

            return cpuInfo;
        }

        ///<summary>  
        ///Return   processorId   from   first   CPU   in   machine  
        ///</summary>  
        ///<returns>[string]   ProcessorId</returns>  
        public static string GetBIOSNumber()
        {
            ManagementClass mc = new ManagementClass("Win32_BIOS");

            ManagementObjectCollection moc = mc.GetInstances();
            string sn = String.Empty;
            foreach (ManagementObject mo in moc)
            {
                if (String.Empty.Equals(sn))
                {
                    sn = mo.Properties["SerialNumber"].Value.ToString();
                }
                else
                {
                    break;
                }
            }
            mc.Dispose();
            moc.Dispose();
            return sn;
        }
    }
}

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