gistfile1.txt

using System;
using System.Diagnostics;
using System.Windows.Forms;

namespace ConsoleExRun
{
    class Program
    {
        [STAThread]
        static void Main(string[] args)
        {
            var button = new Button { Text = "Click" };
            var form = new Form
            {
                Controls = { button }
            };
            button.Click += delegate {
                Process proc = new Process();
                proc.StartInfo.UseShellExecute = false;
                proc.StartInfo.FileName = "ConsolePrinter.exe";     
                proc.StartInfo.RedirectStandardError = true;
                proc.StartInfo.RedirectStandardInput = true;
                proc.Start();
            };
            Application.Run(form);
        }
    }
}