WPF Filename To Icon Converter

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.IO;
using System.ComponentModel;

namespace FileToIconTest
{
    /// <summary>
    /// Interaction logic for Window1.xaml
    /// </summary>
    public partial class Window1 : Window
    {

        public Window1()
        {
            InitializeComponent();
            fileName.Text = Directory.GetCurrentDirectory() + "\\DSCF0026.JPG";
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            System.Windows.Forms.OpenFileDialog dlg = new System.Windows.Forms.OpenFileDialog();
            if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                fileName.Text = dlg.FileName;
        }
    }
}