DataTrigger, ListBox and user object : ListBox « Windows Presentation Foundation « VB.Net Tutorial

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VB.Net Tutorial » Windows Presentation Foundation » ListBox 
16.27.7.DataTrigger, ListBox and user object
<Window x:Class="DataTriggerSample.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  xmlns:c="clr-namespace:DataTriggerSample"
  Title="DataTriggerSample" Height="300" Width="300">
  <Window.Resources>
    <c:People x:Key="PeopleData"/>

    <Style TargetType="{x:Type ListBoxItem}">
      <Style.Triggers>
        <DataTrigger Binding="{Binding Path=Name}" Value="A">
          <Setter Property="Background" Value="Yellow" />
        </DataTrigger>
        <MultiDataTrigger>
          <MultiDataTrigger.Conditions>
            <Condition Binding="{Binding Path=Name}" Value="S" />
          </MultiDataTrigger.Conditions>
          <MultiDataTrigger.Setters>
            <Setter Property="Background" Value="LightGreen" />
          </MultiDataTrigger.Setters>
        </MultiDataTrigger>
      </Style.Triggers>
    </Style>

    <DataTemplate DataType="{x:Type c:Person}">
      <Canvas Width="260" Height="20">
        <TextBlock FontSize="12" Width="130" Canvas.Left="0" Text="{Binding Path=Name}"/>
      </Canvas>
    </DataTemplate>
  </Window.Resources>

  <StackPanel>
    <TextBlock FontSize="18" Margin="5" FontWeight="Bold"
      HorizontalAlignment="Center">Data Trigger Sample</TextBlock>
    <ListBox Width="250" HorizontalAlignment="Center" Background="White"
      ItemsSource="{Binding Source={StaticResource PeopleData}}"/>
  </StackPanel>

</Window>
//File:Window.xaml.vb

Imports System
Imports System.Collections.Generic
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Shapes
Imports System.Collections.ObjectModel

Namespace DataTriggerSample
  Public Partial Class Window1
    Inherits System.Windows.Window
    Public Sub New()
      InitializeComponent()
    End Sub
  End Class

  Public Class Person
    Private _name As String
    Public Property Name() As String
      Get
        Return _name
      End Get
      Set
        _name = value
      End Set
    End Property

    Public Sub New(name As String)
      Me._name = name
    End Sub
  End Class

  Public Class People
    Inherits ObservableCollection(Of Person)
    Public Sub New()
      Add(New Person("A"))
      Add(New Person("B"))
      Add(New Person("C"))
    End Sub
  End Class

End Namespace
WPF Data Trigger List Box And User Object
16.27.ListBox
16.27.1.Bind String Array Resource to ListBoxBind String Array Resource to ListBox
16.27.2.Use Data Templates to Display Bound DataUse Data Templates to Display Bound Data
16.27.3.CheckBox ListCheckBox List
16.27.4.Convert the contents of a ListBoxItem to an instance of GridLength by using GridLengthConverterConvert the contents of a ListBoxItem to an instance of GridLength by using GridLengthConverter
16.27.5.Use the FontSizeConverter class to convert the content of a ListBoxItem to a value that represents the size of a font.Use the FontSizeConverter class to convert the content of a ListBoxItem to a value that represents the size of a font.
16.27.6.Convert contents of a ListBoxItem to an instance of Thickness by using the ThicknessConverterConvert contents of a ListBoxItem to an instance of Thickness by using the ThicknessConverter
16.27.7.DataTrigger, ListBox and user objectDataTrigger, ListBox and user object
16.27.8.Add selected file to ListBoxAdd selected file to ListBox
16.27.9.This list box allows items to be selected in groups by using the SHIFT key and mouse or the CTRL key and space key.This list box allows items to be selected in groups by using the SHIFT key and mouse or the CTRL key and space key.
16.27.10.Iterate through the selected items and remove each oneIterate through the selected items and remove each one
16.27.11.Ensure there is at least one item selectedEnsure there is at least one item selected
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