Sort Data in a Collection

   
  

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:ComponentModel="clr-namespace:System.ComponentModel;assembly=WindowsBase"
    xmlns:local="clr-namespace:WpfApplication1"
    Title="WPF" Height="250" Width="200">
    <Window.Resources>
        <local:Countries x:Key="countries"/>
        <CollectionViewSource x:Key="cvs" Source="{Binding Source={StaticResource countries}}">
            <CollectionViewSource.SortDescriptions>
                <ComponentModel:SortDescription PropertyName="Name" />
            </CollectionViewSource.SortDescriptions>
        </CollectionViewSource>
    </Window.Resources>
    <Grid>
        <ItemsControl ItemsSource="{Binding Source={StaticResource cvs}}" DisplayMemberPath="Name" />
    </Grid>

</Window>
//File:Window.xaml.cs
using System.Collections.ObjectModel;

namespace WpfApplication1
{
    public class Country
    {
        private string name;
        private Continent continent;

        public string Name
        {
            get
            {
                return name;
            }
            set
            {
                name = value;
            }
        }


        public Continent Continent
        {
            get
            {
                return continent;
            }
            set
            {
                continent = value;
            }
        }

        public Country(string name, Continent continent)
        {
            this.name = name;
            this.continent = continent;
        }
    }

    public enum Continent
    {
        Europe,
        NorthAmerica,
    }

    public class Countries : Collection<Country>
    {
        public Countries()
        {
            this.Add(new Country("Great Britan", Continent.Europe));
            this.Add(new Country("USA", Continent.NorthAmerica));
            this.Add(new Country("Canada", Continent.NorthAmerica));

        }
    }
}