c# 调用CMD不显窗口

private void creatProcess(Process p)

        {

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

            p.StartInfo.UseShellExecute = false;

            p.StartInfo.RedirectStandardInput = true;

            p.StartInfo.RedirectStandardOutput = true;

            p.StartInfo.CreateNoWindow = true;

            p.Start();

        }