using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Diagnostics;

using System.IO;

namespace T

{

    class GetCpuid

    {

        public string Getid()

        {

            try

            {

                string Str = InvokeCmd("@wmic cpu get processorId > c:\\tmpp.txt");

                StreamReader sr = new StreamReader(@"c:\tmpp.txt", Encoding.Default);

                string s, Id = "null";

                int mk = 0;

                while ((s = sr.ReadLine()) != null)

                {

                    mk++;

                    if (mk == 2) Id = s;

                }

                sr.Close();

                InvokeCmd("del  c:\\tmpp.txt");

                Id = Id.Trim();

                return Id;

            }

            catch

            {

                return "null";

            }

        }

        private  string InvokeCmd(string cmdArgs)

        {

            string Tstr = "";

            Process p = new Process();

            p.StartInfo.FileName = "cmd.exe";

            p.StartInfo.UseShellExecute = false;

            p.StartInfo.RedirectStandardInput = true;

            p.StartInfo.RedirectStandardOutput = true;

            p.StartInfo.RedirectStandardError = true;

            p.StartInfo.CreateNoWindow = true;

            p.Start();

            p.StandardInput.WriteLine(cmdArgs);

            p.StandardInput.WriteLine("exit");

            Tstr = p.StandardOutput.ReadToEnd();

            p.Close();

            return Tstr;

        }

    }

}