Keep console window of a new Process open after it finishes

Question

I currently have a portion of code that creates a new Process and executes it from the shell.

Process p = new Process(); ... p.Start(); p.WaitForExit(); 

This keeps the window open while the process is running, which is great. However, I also want to keep the window open after it finishes to view potential messages. Is there a way to do this?

Answer 1

It is easier to just capture the output from both the StandardOutput and the StandardError, store each output in a StringBuilder and use that result when the process is finished.

var sb = new StringBuilder();  Process p = new Process();  // redirect the output p.StartInfo.RedirectStandardOutput = true; p.StartInfo.RedirectStandardError = true;  // hookup the eventhandlers to capture the data that is received p.OutputDataReceived += (sender, args) => sb.AppendLine(args.Data); p.ErrorDataReceived += (sender, args) => sb.AppendLine(args.Data);  // direct start p.StartInfo.UseShellExecute=false;  p.Start(); // start our event pumps p.BeginOutputReadLine(); p.BeginErrorReadLine();  // until we are done p.WaitForExit();  // do whatever you need with the content of sb.ToString(); 

You can add extra formatting in the sb.AppendLine statement to distinguish between standard and error output, like so: sb.AppendLine("ERR: {0}", args.Data);