ContentPresenter Class (System.Windows.Controls)

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Microsoft Visual Studio 2008/.NET Framework 3.5

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.NET Framework Class Library

ContentPresenter Class

Updated: July 2008

Displays the content of a ContentControl.

Namespace: System.Windows.Controls
Assembly: PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

Syntax

Visual Basic (Declaration)

<LocalizabilityAttribute(LocalizationCategory.None, Readability := Readability.Unreadable)> _
Public Class ContentPresenter _
    Inherits FrameworkElement

Visual Basic (Usage)

Dim instance As ContentPresenter

[LocalizabilityAttribute(LocalizationCategory.None, Readability = Readability.Unreadable)]
public class ContentPresenter : FrameworkElement

Visual C++

[LocalizabilityAttribute(LocalizationCategory::None, Readability = Readability::Unreadable)]
public ref class ContentPresenter : public FrameworkElement

JScript

public class ContentPresenter extends FrameworkElement

XAML Object Element Usage

<ContentPresenter .../>

Remarks

Typically, when you would use the ContentPresenter directly is within the ControlTemplate of a ContentControl to mark where the content is to be added.

Every ContentControl type has a ContentPresenter within its ControlTemplate. The ContentPresenter is responsible for the UI generation. For example, when you apply a DataTemplate to an ItemsControl such as a ListBox, behind the scenes it is actually the ContentPresenter within the ListBoxItem that creates the UI of each item. For more information about that particular example, see ItemTemplate.

Examples

The following shows a Button Style that sets the ControlTemplate of a Button. The ControlTemplate defines that the Button appears as an Ellipse within a Grid element. The ContentPresenter marks that the Content of the Button should be displayed and centered vertically and horizontally within the Grid.

XAML

<Style TargetType="Button">
  <!--Set to true to not get any properties from the themes.-->
  <Setter Property="OverridesDefaultStyle" Value="True"/>
  <Setter Property="Template">
    <Setter.Value>
      <ControlTemplate TargetType="Button">
        <Grid>
          <Ellipse Fill="{TemplateBinding Background}"/>
          <ContentPresenter HorizontalAlignment="Center"
                            VerticalAlignment="Center"/>
        </Grid>
      </ControlTemplate>
    </Setter.Value>
  </Setter>
</Style>

The following image shows the appearance of the Button when this gets applied:

Inheritance Hierarchy

System..::.Object
  System.Windows.Threading..::.DispatcherObject
    System.Windows..::.DependencyObject
      System.Windows.Media..::.Visual
        System.Windows..::.UIElement
          System.Windows..::.FrameworkElement
            System.Windows.Controls..::.ContentPresenter
              System.Windows.Controls..::.ScrollContentPresenter

Thread Safety

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

Platforms

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.

Version Information