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;
}