獲取機器碼

正在使用的類,裡面有獲取機器碼的方法,希望對你有幫助,此類有什麼不足之處,歡迎大家指正.
由於太長,只貼出其中的一部分.

using   System;
using   System.Management;
using   System.IO;
using   System.Runtime.InteropServices;
using   System.Security.Cryptography;
using   System.Text;
using   Microsoft.Win32;

namespace   CHUmanager.Common
{
///   <summary>
///   register   的摘要說明。
///   注冊軟件所用到的類
///   作者:xtx
///   QQ:283570270   Email:[email protected]
///   </summary>
public   class   Register
{

#region   獲取cpu序列號   硬盤ID   網卡硬地址
///   <summary>
///   獲取cpu序列號    
///   </summary>
///   <returns> string </returns>
public   string   GetCpuInfo()
{
string   cpuInfo   =   " ";
ManagementClass   cimobject   =   new   ManagementClass( "Win32_Processor ");    
ManagementObjectCollection   moc   =   cimobject.GetInstances();    
foreach(ManagementObject   mo   in   moc)    
{    
cpuInfo   =   mo.PropertIEs[ "ProcessorId "].Value.ToString();      
}
return   cpuInfo.ToString();
}

///   <summary>
///   獲取硬盤ID    
///   </summary>
///   <returns> string </returns>
public   string   GetHDid()
{
string   HDid   =   " ";    
ManagementClass   cimobject1   =   new   ManagementClass( "Win32_DiskDrive ");    
ManagementObjectCollection   moc1   =   cimobject1.GetInstances();    
foreach(ManagementObject   mo   in   moc1)    
{    
HDid   =   (string)mo.PropertIEs[ "Model "].Value;        
}
return   HDid.ToString();
}