How to get the IronPython editor's all output info and show this on wpf ?

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WPF

IronPython

I use IronPython 2.7.5.0, I want to use this tool to create a compiler, First I have some problem to get the outPut info from IronPython. Could someone give me some help ?

using System;
using System.Windows;
using IronPython.Hosting;

namespace WpfApplication3
{
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
        {
            try
            {
                var strExpression = @"
import sys
sys.stdout=my
for i in range(1, 5):
	print i ";
                var engine = Python.CreateEngine();
                var scope = engine.CreateScope();
                var sourceCode = engine.CreateScriptSourceFromString(strExpression);
                scope.SetVariable("my", this);
                var actual = sourceCode.Execute(scope);
                TextBlock.Text += actual;
            }
            catch (Exception ex)
            {
                //TextBlock.Text += ex.ToString();
                MessageBox.Show(ex.ToString());
            }
        }

        public bool softspace;
        public void write(string s)
        {
            TextBlock.Text += s;
        }
    }
}