<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:WpfApplication1" Title="WPF" Height="300" Width="180"> <Window.Resources> <local:SortableCountries x:Key="sortableCountries"/> </Window.Resources> <Grid> <StackPanel> <ItemsControl ItemsSource="{StaticResource sortableCountries}" /> <Button Click="SortButton_Click" Content="Sort" Margin="8" /> </StackPanel> </Grid> </Window> //File:Window.xaml.cs using System; using System.Collections; using System.Windows; using System.Windows.Data; using System.Collections.ObjectModel; namespace WpfApplication1 { public partial class Window1 : Window { public Window1() { InitializeComponent(); } private void SortButton_Click(object sender, RoutedEventArgs args) { SortableCountries sortableCountries = (SortableCountries)(this.Resources["sortableCountries"]); ListCollectionView lcv = (ListCollectionView)CollectionViewSource.GetDefaultView(sortableCountries); lcv.CustomSort = new SortCountries(); } } public class SortCountries : IComparer { public int Compare(object x, object y) { string stringX = x.ToString(); string stringY = y.ToString(); return stringX.CompareTo(stringY); } } public class SortableCountries : ObservableCollection<string> { public SortableCountries() { this.Add("C"); this.Add("B"); this.Add("A"); } } }
