gistfile1.cs

void RunProcess(string path)
{
	using (Process process = new Process())
	{
		// This sets up the output redirection
		process.StartInfo.UseShellExecute = false;
		process.StartInfo.RedirectStandardOutput = true;

		// Specify the path to the file here
		process.StartInfo.FileName = path;

		// Bind the event handler that will be fired when output is received
		process.OutputDataReceived += new DataReceivedEventHandler(processOutputReceived);

		// Start the process here
		process.Start();

		// This starts to asynchronously check for output from the process.
		// This is crucial for the event handler to fire
		process.BeginOutputReadLine();

		// Wait for the process to finish execution
		process.WaitForExit();
	}
}

static void processOutputReceived(object sender, DataReceivedEventArgs e)
{
	// Here you can interact with the output of the application
	// In my case, I simply write out the data to the console
	Console.WriteLine(e.Data);
}