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ListBox and SelectionMode

<Window x:Class="ControlDemos.listbox"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     Title="ControlDemos" Height="300" Width="300" >     <Grid Background="Beige">       <ListBox BorderThickness="1"                 VerticalAlignment="Stretch"                 HorizontalAlignment="Stretch"                 Grid.Column="0" Grid.ColumnSpan="1"                 Grid.Row="0" Grid.RowSpan="1"                 Name="listBox1" BorderBrush="Blue"                SelectionMode="Single"                SelectionChanged="listBox1_SelectionChanged">         <ListBoxItem>Item 1</ListBoxItem>         <ListBoxItem>Item 2</ListBoxItem>         <ListBoxItem>Item 3</ListBoxItem>         <ListBoxItem>Item 4</ListBoxItem>         <ListBoxItem>Item 5</ListBoxItem>         <ListBoxItem>Item 6</ListBoxItem>         <ListBoxItem>Item 7</ListBoxItem>         <ListBoxItem>Item 8</ListBoxItem>                </ListBox>     </Grid> </Window> //File:Window.xaml.cs using System; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Shapes; namespace ControlDemos {     public partial class listbox : Window     {         public listbox()         {             InitializeComponent();         }         public void listBox1_SelectionChanged(object sender, SelectionChangedEventArgs args)         {             int nCount = listBox1.SelectedItems.Count;             for (int lp = 0; lp < nCount; lp++)                 Console.WriteLine(listBox1.SelectedItems[lp].ToString());         }     } }