ListBox Selected Index, Item, Value : ListBox Selection « Windows Presentation Foundation « VB.Net Tutorial






<Window x:Class="WpfApplication1.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="WpfApplication1" Height="399" Width="320" WindowStartupLocation="CenterScreen">
    <StackPanel xmlns:CorLib = "clr-namespace:System;assembly=mscorlib">
    <ListBox Name = "dataList"/>
    <ListBox Name = "lstColors">
      <StackPanel Orientation ="Horizontal" Tag ="Yellow">
        <Ellipse Fill ="Yellow" Height ="50" Width ="50"/>
        <Label FontSize ="20" HorizontalAlignment="Center"
          VerticalAlignment="Center">Yellow</Label>
      </StackPanel>
      <StackPanel Orientation ="Horizontal" Tag ="Blue">
        <Ellipse Fill ="Blue" Height ="50" Width ="50"/>
        <Label FontSize ="20" HorizontalAlignment="Center"
          VerticalAlignment="Center">Blue</Label>
      </StackPanel>
      <StackPanel Orientation ="Horizontal" Tag ="Green">
        <Ellipse Fill ="Green" Height ="50" Width ="50"/>
        <Label FontSize ="20" HorizontalAlignment="Center"
          VerticalAlignment="Center">Green</Label>
      </StackPanel>
    </ListBox>
    <Button Name ="btnGetGameSystem" Click ="btnGetGameSystem_Click">
      Video
    </Button>
    <Button Name ="btnGetColor" Click ="btnGetColor_Click">
      Get Color
    </Button>
  </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


Namespace WpfApplication1
  Public Partial Class MainWindow
    Inherits System.Windows.Window

    Public Sub New()
      InitializeComponent()
      dataList.Items.Add("A")
      dataList.Items.Add("B")
      dataList.Items.Add("C")
      dataList.Items.Add("D")
      dataList.Items.Add("E")
    End Sub
    Protected Sub btnGetGameSystem_Click(sender As Object, args As RoutedEventArgs)
      Console.WriteLine(dataList.SelectedIndex)
      Console.WriteLine(dataList.SelectedItem)
      Console.WriteLine(dataList.SelectedValue)
    End Sub

    Protected Sub btnGetColor_Click(sender As Object, args As RoutedEventArgs)
      Console.WriteLine(TryCast(lstColors.Items(lstColors.SelectedIndex), StackPanel).Tag)
    End Sub
  End Class
End Namespace
WPF List Box Selected Index Item Value








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