using(Process proc = new Process())

{

    proc.StartInfo.UseShellExecute = false;

    proc.StartInfo.FileName = <your exe>;

    proc.StartInfo.Arguments = <your parameters>;

    proc.StartInfo.RedirectStandardOutput = true;

    proc.OutputDataReceived += LogOutputHandler;

    proc.Start();

    proc.BeginOutputReadLine();

    proc.WaitForExit();

}

​

private static void LogOutputHandler(object proc, DataReceivedEventArgs outLine)

{

    <write your result to a file here>

}