Enables sorting of data in ascending or descending order according to the contents of one column. : ListView « Windows Presentation Foundation « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Windows Presentation Foundation
3. ListView

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="ListViewSort.Window1"    
    xmlns:s="clr-namespace:System.Collections;assembly=mscorlib"
    xmlns:p="clr-namespace:System;assembly=mscorlib">
  <Window.Resources>
    <DataTemplate x:Key="HeaderTemplateArrowUp">
      <DockPanel>
        <TextBlock HorizontalAlignment="Center" Text="{Binding}"/>
        <Path x:Name="arrow"
           StrokeThickness = "1"            
           Fill            = "gray"
           Data            = "M 5,10 L 15,10 L 10,5 L 5,10"/>
     </DockPanel>
    </DataTemplate>
    <DataTemplate x:Key="HeaderTemplateArrowDown">
      <DockPanel>
        <TextBlock HorizontalAlignment="Center" Text="{Binding }"/>
        <Path x:Name="arrow"
              StrokeThickness = "1"            
              Fill            = "gray"
              Data            = "M 5,5 L 10,10 L 15,5 L 5,5"/>
      </DockPanel>
    </DataTemplate>
  </Window.Resources>
  
  <StackPanel>
    <ListView x:Name='lv' Height="150" GridViewColumnHeader.Click="GridViewColumnHeaderClickedHandler">
      <ListView.View>
        <GridView>
          <GridViewColumn DisplayMemberBinding="{Binding Path=Year}" 
                          Header="Year"
                          Width="100"/>
        </GridView>
      </ListView.View>
      <ListView.ItemsSource>
        <s:ArrayList>
          <p:DateTime>2003/1/1 12:22:02</p:DateTime>
          <p:DateTime>2003/1/2 13:2:01</p:DateTime>
          <p:DateTime>2007/1/3 2:1:6</p:DateTime>
          <p:DateTime>2007/1/4 13:6:55</p:DateTime>
          <p:DateTime>2009/2/1 12:22:02</p:DateTime>
          <p:DateTime>2008/2/2 13:2:01</p:DateTime>
          <p:DateTime>2000/2/3 2:1:6</p:DateTime>
          <p:DateTime>2002/2/4 13:6:55</p:DateTime>
          <p:DateTime>2001/3/1 12:22:02</p:DateTime>
          <p:DateTime>2006/3/2 13:2:01</p:DateTime>
          <p:DateTime>2004/3/3 2:1:6</p:DateTime>
          <p:DateTime>2004/3/4 13:6:55</p:DateTime>
        </s:ArrayList>
      </ListView.ItemsSource>
    </ListView>
  </StackPanel>
</Window>

//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Collections;
using System.Windows.Controls.Primitives;
using System.ComponentModel;
using System.Windows.Data;

namespace ListViewSort
{
    public partial class Window1 : Window
    {
        public Window1()
        {
            InitializeComponent();
        }

        GridViewColumnHeader _lastHeaderClicked = null;
        ListSortDirection _lastDirection = ListSortDirection.Ascending;

        void GridViewColumnHeaderClickedHandler(object sender,RoutedEventArgs e)
        {
            GridViewColumnHeader headerClicked = e.OriginalSource as GridViewColumnHeader;
            ListSortDirection direction;

            if (headerClicked == null){
               return;
            }
            if (headerClicked.Role != GridViewColumnHeaderRole.Padding){
               return;
            }
            if (headerClicked != _lastHeaderClicked){
               direction = ListSortDirection.Ascending;
            }else{
               if (_lastDirection == ListSortDirection.Ascending){
                  direction = ListSortDirection.Descending;
               }else{
                  direction = ListSortDirection.Ascending;
               }
            }

            string header = headerClicked.Column.Header as string;
            Sort(header, direction);

            if (direction == ListSortDirection.Ascending)
            {
               headerClicked.Column.HeaderTemplate = Resources["HeaderTemplateArrowUp"] as DataTemplate;
            }else{
               headerClicked.Column.HeaderTemplate = Resources["HeaderTemplateArrowDown"] as DataTemplate;
            }
            if (_lastHeaderClicked != null && _lastHeaderClicked != headerClicked)
            {
               _lastHeaderClicked.Column.HeaderTemplate = null;
            }
            _lastHeaderClicked = headerClicked;
            _lastDirection = direction;
            
        }
        private void Sort(string sortBy, ListSortDirection direction)
        {
            ICollectionView dataView = CollectionViewSource.GetDefaultView(lv.ItemsSource);

            dataView.SortDescriptions.Clear();
            SortDescription sd = new SortDescription(sortBy, direction);
            dataView.SortDescriptions.Add(sd);
            dataView.Refresh();
        }
    }
}

24.34.ListView
	24.34.1.	Create a ListView control that implements a GridView view with CheckBox controls for each row.
	24.34.2.	Use ArrayList as the ListView ItemSource
	24.34.3.	Create a ListView control that implements a GridView view mode, displays content in groups.
	24.34.4.	ListView and ListViewItem
	24.34.5.	ListView columns
	24.34.6.	Populating ListView rows
	24.34.7.	Set Binding ListView.ItemsSourceProperty to ListView
	24.34.8.	Create a ListView control that uses a GridView view mode to display a collection of DateTime objects.
	24.34.9.	ListView using GridView.HeaderTemplate and GridViewColumn.CellTemplate properties
	24.34.10.	Get Bounded item from ListView
	24.34.11.	Create Binding for ListView in code
	24.34.12.	Use three TextBlocks in one ListViewItem
	24.34.13.	Create a ListView control that uses a GridView view mode to display dates.
	24.34.14.	Use Path to reference Bounded object in ItemSource
	24.34.15.	Enables sorting of data in ascending or descending order according to the contents of one column.