private static 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;

        }