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.Collections;

namespace PagingSimpleCollectionWithPagedSource_WPF
{
	/// <summary>
	/// Interaction logic for Window1.xaml
	/// </summary>
	public partial class Window1 : Window
	{
		public Window1()
		{
			InitializeComponent();
			this.DataContext = this;
			
			this.Loaded += new RoutedEventHandler(Window1_Loaded);
		}

		void Window1_Loaded(object sender, RoutedEventArgs e)
		{
			// For some reason the WPF ListBox will not show its items
			// unless something happens. Will investigate further
			this.itemsControl.Items.Refresh();
		}

		private IEnumerable itemsSource;
		public IEnumerable ItemsSource
		{
			get
			{
				if (this.itemsSource == null)
				{
					this.itemsSource = Enumerable.Range(0, 1000);
				}

				return this.itemsSource;
			}
		}
	}
}
