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ListBoxItem Class

Updated: February 2009

Represents a selectable item in a ListBox.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public class ListBoxItem : ContentControl

A ListBox contains a collection of ListBoxItem objects. To select a ListBoxItem in a ListBox, set the IsSelected property to true.

Bind a ListBoxItem to data by binding the ItemsSource property of a ListBox to a data source. For more information, see How to: Bind a ListBox to Data. You can customize the appearance of a ListBoxItem by setting the ItemTemplate property of a ListBox to a DataTemplate. For more information, see Data Templating Overview.

By default, the HorizontalAlignment of a ListBoxItem is set to Stretch. The default horizontal position of a StackPanel is Center. If you set the Width property of a ListBoxItem through a StackPanel, the panel's default is applied and the item is centered.

Content Model: ListBoxItem is a ContentControl. Its content property is Content. For more information on the content model for ListBoxItem, see Controls Content Model Overview.

Dependency properties for this control might be set by the control’s default style. If a property is set by a default style, the property might change from its default value when the control appears in the application. The default style is determined by which desktop theme is used when the application is running. For more information, see Themes.

The following example shows how to create a ListBox that contains ListBoxItem elements.

<TextBox Name="tb" Width="140" Height="30"></TextBox>
<ListBox Name="lb" Width="100" Height="55" SelectionChanged="PrintText" SelectionMode="Single">
  <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>
  <ListBoxItem>Item 9</ListBoxItem>
  <ListBoxItem>Item 10</ListBoxItem>


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0




February 2009

Described how default styles change dependency properties.

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