C#命令行重定向

private static string CreatePdf(string fileName){

    string command = "gswin32c -q -dNOPAUSE -sDEVICE=pdfwrite -sOutputFile=\"" + 

			fileName + ".pdf\"  -fc:\\output.ps";



    Console.WriteLine(command);

    Process p = new Process();



    StreamWriter sw;

    StreamReader sr;

            

    ProcessStartInfo info = new ProcessStartInfo("cmd");

    info.WorkingDirectory = System.AppDomain.CurrentDomain.BaseDirectory;

    Console.WriteLine("Current directory: " + info.WorkingDirectory);

    info.CreateNoWindow = true;

    info.UseShellExecute = false;

            

    info.RedirectStandardInput = true;

    info.RedirectStandardOutput = true;

            

    p.StartInfo = info;

    p.Start();

            

    sw = p.StandardInput;

    sr = p.StandardOutput;

    sw.AutoFlush = true;

            

    sw.WriteLine(command);

            

    sw.Close();

            

    string ret = sr.ReadToEnd();



    Console.WriteLine(ret);

    return ret;

}

from:http://www.codeproject.com/Articles/17574/Programmatically-Convert-Documents-to-PDFs-the-Eas