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;

namespace WpfDatabind8
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        CollectionView _cView; 
        public MainWindow()
        {
            InitializeComponent();
            Class1[] _class1 = {  new Class1("Mary", 27, "Tech"),
                                  new Class1("Betty", 29, "Clerk"),
                                 new Class1("Joe", 34, "Manager"),
                                 new Class1("Jim", 29, "Clerk"),
                                 new Class1("Jones", 39, "Clerk"),
                                   new Class1("Pam", 59, "Tech"),
                                 new Class1("Anida", 34, "CS")};
            listBox1.ItemsSource = _class1;
            _cView = (CollectionView)CollectionViewSource.GetDefaultView(listBox1.ItemsSource);
            PropertyGroupDescription _pGD = new PropertyGroupDescription("position");
            _cView.GroupDescriptions.Add(_pGD); 

        }
    }
}