Set DisplayMemberPath for ItemsControl : CollectionViewSource « Windows Presentation Foundation « VB.Net






Set DisplayMemberPath for ItemsControl

Set DisplayMemberPath for ItemsControl
   

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:WpfApplication1="clr-namespace:WpfApplication1"
     Title="WPF" Height="294" Width="160">
    <Window.Resources>
        <WpfApplication1:Countries x:Key="countries"/>
        <CollectionViewSource x:Key="cvs" Source="{Binding Source={StaticResource countries}}">
            <CollectionViewSource.GroupDescriptions>
                <PropertyGroupDescription PropertyName="Continent"/>
            </CollectionViewSource.GroupDescriptions>
        </CollectionViewSource>
        <DataTemplate x:Key="groupingHeaderTemplate">
            <Label VerticalAlignment="Center" Content="{Binding}" ></Label>
        </DataTemplate>
    </Window.Resources>

    <Grid>
        <ItemsControl ItemsSource="{Binding Source={StaticResource cvs}}" DisplayMemberPath="Name">
            <ItemsControl.GroupStyle>
                <GroupStyle HeaderTemplate= "{StaticResource groupingHeaderTemplate}" />
            </ItemsControl.GroupStyle>
        </ItemsControl>
    </Grid>
</Window>
//File:Window.xaml.vb
Imports System.Collections.ObjectModel

Namespace WpfApplication1
  Public Class Country
    Private m_name As String
    Private m_continent As Continent

    Public Sub New(name As String, continent As Continent)
      Me.m_name = name
      Me.m_continent = continent
    End Sub

    Public Property Name() As String
      Get
        Return m_name
      End Get
      Set
        m_name = value
      End Set
    End Property

    Public Property Continent() As Continent
      Get
        Return m_continent
      End Get
      Set
        m_continent = value
      End Set
    End Property
  End Class

  Public Enum Continent
    Europe
    NorthAmerica
  End Enum

  Public Class Countries
    Inherits Collection(Of Country)
    Public Sub New()
      Me.Add(New Country("Great Britan", Continent.Europe))
      Me.Add(New Country("USA", Continent.NorthAmerica))
      Me.Add(New Country("Canada", Continent.NorthAmerica))
    End Sub
  End Class
End Namespace

   
    
    
  








Related examples in the same category

1.Use CollectionViewSource to sort and group data in XAML.Use CollectionViewSource to sort and group data in XAML.
2.Apply Custom Grouping to a CollectionApply Custom Grouping to a Collection
3.Filter Data in a Collection, Set the Filter property to a FilterEventHandlerFilter Data in a Collection, Set the Filter property to a FilterEventHandler
4.Wrap collection based resource in a CollectionViewSourceWrap collection based resource in a CollectionViewSource