C#获取CPU编号

//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