Replacing TreeView with ListBox

using System;
using System.ComponentModel.Composition;
using System.Diagnostics;
using System.Windows;
using MediaAssistant.Controls.SendFeedback;
using MefBasic;
using MefBasic.Commans;
using Microsoft.Practices.Composite.Events;
using MediaAssistant.DAL.Helper;
using MediaAssistant.Helper;

namespace MediaAssistant.Controls.About
{
    [Export]
    [PartCreationPolicy(CreationPolicy.NonShared)]
    public class AboutPresenter:APresenter<AboutWindow>
    {
        [ImportingConstructor]
        public AboutPresenter(AboutWindow view) : base(view)
        {
            ContactCommand = new DelegateCommand(ExecuteContact);
            VisitWebCommand = new DelegateCommand(ExecuteVisitWeb);
            Version = string.Format("Version : {0}", SystemHelper.GetVersion());
            Copyright = "Copyright © 2011, Hasan Shahriar Masud. All rights reserved.";
        }

        public string Copyright { get; set; }

        [Import]
        private IEventAggregator EventAggregator { get; set; }
        
        public DelegateCommand VisitWebCommand { get; set; }

        private static void ExecuteVisitWeb(object obj)
        {
            Process.Start(obj.ToString());
        }

        public DelegateCommand ContactCommand { get; set; }

        private void ExecuteContact(object obj)
        {
            Resolve<SendFeedbackPresenter>().SendFeedback();
        }

        public void ShowDialog()
        {
            EventAggregator.GetEvent<BaseEvent<ShellDisabledChangedEventArgs>>().Publish(new ShellDisabledChangedEventArgs { Sender = this, Disabled = true });
            View.Owner = Application.Current.MainWindow;
            View.ShowDialog();
            EventAggregator.GetEvent<BaseEvent<ShellDisabledChangedEventArgs>>().Publish(new ShellDisabledChangedEventArgs { Sender = this, Disabled = false });
        }



        public string Version
        {
            get { return (string)GetValue(VersionProperty); }
            set { SetValue(VersionProperty, value); }
        }

        public static readonly DependencyProperty VersionProperty =
            DependencyProperty.Register("Version", typeof(string), typeof(AboutPresenter), new UIPropertyMetadata(string.Empty));


    }
}