c#获得cpu编号代码

        /// <summary>
        /// Gets the cpu 编号.
       ///需引用　using System.Management;
        /// </summary>
        /// <returns></returns>
        public string GetCpuId()
        {
            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;
        }