ListBox selection changed event : ListBox Selection « Windows Presentation Foundation « VB.Net Tutorial

<Window x:Class="WpfApplication1.Window1"
    Title="WPF" Height="300" Width="300">
        <ListBox SelectionChanged="OuterListBox_SelectionChanged" Name="outerListBox">
            <ListBoxItem Content="Item 1" FontFamily="Tahoma" HorizontalContentAlignment="Left" />
            <ListBoxItem Content="Item 2" FontFamily="Algerian" FontSize="16" HorizontalContentAlignment="Center" />
            <ListBoxItem Content="Item 3" FontSize="20" HorizontalContentAlignment="Right" />
            <Button Content="Button directly in a list" Margin="5" />
            <ListBoxItem HorizontalContentAlignment="Center" Margin="5">
                <Button Content="Button wrapped in ListBoxItem" />
            <ListBox Height="50" Margin="5">
                <ListBoxItem Content="Inner List Item 1" Selected="InnerListBoxItem_Selected" />
                <ListBoxItem Content="Inner List Item 2" Selected="InnerListBoxItem_Selected" />
                <ListBoxItem Content="Inner List Item 3" Selected="InnerListBoxItem_Selected" />
                <ListBoxItem Content="Inner List Item 4" Selected="InnerListBoxItem_Selected" />
            <StackPanel Margin="5" Orientation="Horizontal">
                <Label Content="Enter some text:" />
                <TextBox MinWidth="150" />
        <TextBlock Text="No item currently selected." Margin="10" HorizontalAlignment="Center" Name="txtSelectedItem" />
Imports System.Windows
Imports System.Windows.Controls

Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
    Public Sub New()
    End Sub

    Private Sub InnerListBoxItem_Selected(sender As Object, e As RoutedEventArgs)
      Dim item As ListBoxItem = TryCast(e.OriginalSource, ListBoxItem)

      If item IsNot Nothing Then
        MessageBox.Show(Convert.ToString(item.Content) & " was selected.", Title)
      End If
    End Sub

    Private Sub OuterListBox_SelectionChanged(sender As Object, e As SelectionChangedEventArgs)
      Dim item As Object = outerListBox.SelectedItem

      If item Is Nothing Then
        txtSelectedItem.Text = "No item currently selected."
        txtSelectedItem.Text = item.ToString()
      End If
    End Sub
  End Class
End Namespace
WPF List Box Selection Changed Event

16.30.ListBox Selection
16.30.1.Set selected index for ListBoxSet selected index for ListBox
16.30.2.ListBox Selected Index, Item, ValueListBox Selected Index, Item, Value
16.30.3.ListBox and SelectionModeListBox and SelectionMode
16.30.4.Get selected item from ListBoxGet selected item from ListBox
16.30.5.Get selected item count from ListboxGet selected item count from Listbox
16.30.6.View and Select Items Using a ListView and Select Items Using a List
16.30.7.Set text to TextBlock for selected list itemSet text to TextBlock for selected list item
16.30.8.Select All and unselect allSelect All and unselect all
16.30.9.Get Selected Item from ListBox 2Get Selected Item from ListBox 2
16.30.10.Select All ListBox ItemsSelect All ListBox Items
16.30.11.This list box allows multiple user selections.This list box allows multiple user selections.
16.30.12.ListBox SelectionMode=SingleListBox SelectionMode=Single
16.30.13.ListBox selection changed eventListBox selection changed event