C#获取CPU编号

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//System.Management;//需要添加引用(系统自带)         /// <summary>         /// 获取cpu编号         /// </summary>         /// <returns></returns>         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