c#获取cpu序列号

        /// <summary>
        /// 获得cpu序列号
        /// </summary>
        /// <returns></returns>
        public static string GetProcessorId()
        {
            string cmdThreadResponse = string.Empty;
            CmdThread cmdThread = new CmdThread();
            cmdThread.Exit += CmdThread_Exit;
            cmdThread.Start("wmic cpu get processorid");
            while (string.IsNullOrEmpty(cmdThreadResponse)) ;
            string head = "ProcessorId";
            int pos = cmdThreadResponse.IndexOf(head);
            if (pos < 0) throw new System.Exception("无法获取设备ID！");
            string ans = cmdThreadResponse.Substring(pos + head.Length);
            if (string.IsNullOrEmpty(ans)) throw new System.Exception("设备ID为空！");
            ans = ans.Trim();
            ans = ans.Replace(" ", "");
            ans = ans.Replace("\r\n", "/");
            return ans;
        }

c#获取cpu序列号