MAC获取绑订

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建立一个类.然后读取信息.调用代码如下.
HardInfoClass myclass=new HardInfoClass();
   textBox1.Text=myclass.GetHardDiskID();
   textBox2.Text=myclass.GetCpuID();
   textBox3.Text=myclass.GetNetCardMAC();
   textBox4.Text=myclass.GetNetCardIP();
   textBox5.Text=myclass.GetHostName();
   textBox6.Text=myclass.GetVolOf("D");//C盘58c6b679跟D盘6ed62864不一样

//textBox7.Text=myclass.GetHashCode();
//textBox8.Text=myclass.GetCpuID();

类HardInfoClass代码如下

using System;
using System.Net;
using System.Runtime.InteropServices;
using System.Management; //需要在解决方案中引用System.Management.DLL文件

namespace FileTransLate.PCStatus
{
/// <summary>
/// HardInfoClass 的摘要说明。
/// </summary>
public class HardInfoClass
{

  [DllImport("kernel32.dll")]
  private static extern int GetVolumeInformation(
   string lpRootPathName,
   string lpVolumeNameBuffer,
   int nVolumeNameSize,
   ref int lpVolumeSerialNumber,
   int lpMaximumComponentLength,
   int lpFileSystemFlags,
   string lpFileSystemNameBuffer,
   int nFileSystemNameSize
   );

  public HardInfoClass()
  {
   //
   // TODO: 在此处添加构造函数逻辑
   //
  }

  //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 "";
   }
  }
  //获取网卡MAC地址

  public string GetNetCardMAC()
  {
   try
   {
    string stringMAC = "";
    ManagementClass MC = new ManagementClass("Win32_NetworkAdapterConfiguration");
    ManagementObjectCollection MOC= MC.GetInstances();

    foreach(ManagementObject MO in MOC)
    {
     if ((bool)MO["IPEnabled"] == true)
     {
      stringMAC += MO["MACAddress"].ToString();

     }
    }
    return stringMAC;
   }
   catch
   {
    return "";
   }
  }

  //获取硬盘信息的代码
  public string GetVolOf(string drvID)
  {
   try
   {
   const int MAX_FILENAME_LEN = 256;
   int retVal = 0;
   int a =0;
   int b =0;
   string str1 = null;
   string str2 = null;

   int i = GetVolumeInformation(
    drvID + @":/",
    str1,
    MAX_FILENAME_LEN,
    ref retVal,
    a,
    b,
    str2,
    MAX_FILENAME_LEN
    );

   return retVal.ToString("x");
   }
   catch
   {
    return "";
   }
  }

  //获取当前网卡IP地址
  public string GetNetCardIP()
  {
   try
   {
    string stringIP = "";
    ManagementClass MC = new ManagementClass("Win32_NetworkAdapterConfiguration");
    ManagementObjectCollection MOC= MC.GetInstances();

    foreach(ManagementObject MO in MOC)
    {
     if ((bool)MO["IPEnabled"] == true)
     {
      string[] IPAddresses = (string[]) MO["IPAddress"];
      if(IPAddresses.Length > 0)
      stringIP = IPAddresses[0].ToString();

     }
    }
    return stringIP;
   }
   catch
   {
    return "";
   }
  }

}
}
==================

string stringMAC = "";
                ManagementClass MC = new ManagementClass ("Win32_NetworkAdapterConfiguration");
                ManagementObjectCollection MOC= MC.GetInstances();
                foreach(ManagementObject MO in MOC)
                {
                    if ((bool)MO["IPEnabled"] == true)
                    {
                        stringMAC += MO["MACAddress"].ToString();
                    }

                }

                int mac1=stringMAC.IndexOf("MAC");
                int mac2=stringMAC.IndexOf("mac");
                if (!(mac1 >= 0 || mac2 >= 0))
                {
                    trError.Visible = true;
                    lblError.Text = "**************！";
                    return;
                }