Popup.PlacementTarget Property

Reference

Definition

Namespace:: System.Windows.Controls.Primitives

Assembly:: PresentationFramework.dll

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Gets or sets the element relative to which the Popup is positioned when it opens.

public:
 property System::Windows::UIElement ^ PlacementTarget { System::Windows::UIElement ^ get(); void set(System::Windows::UIElement ^ value); };

[System.ComponentModel.Bindable(true)]
public System.Windows.UIElement PlacementTarget { get; set; }

[<System.ComponentModel.Bindable(true)>]
member this.PlacementTarget : System.Windows.UIElement with get, set

Public Property PlacementTarget As UIElement

Property Value

UIElement

The UIElement that is the logical parent of the Popup control. The default is null.

Attributes: BindableAttribute

Examples

The following example creates a Popup that is the child of a Canvas, and sets PlacementTarget to ellipse1, so the popup is relative to the Ellipse.

<Canvas Margin="5" Background="Red" Width="200" Height="150" >

  <Ellipse Name="ellipse1"
           Canvas.Top="60" Canvas.Left="50"
           Height="85" Width="60" 
           Fill="Black"/>

  <Popup IsOpen="True" PlacementTarget="{Binding ElementName=ellipse1}">
    <TextBlock Background="LightBlue" FontSize="18">This is a Popup</TextBlock>
  </Popup>
</Canvas>

Remarks

You can position a popup by setting the PlacementTarget, PlacementRectangle, Placement, HorizontalOffset, and VerticalOffset properties. For more information, see Popup Placement Behavior.

Dependency Property Information


Identifier field	PlacementTargetProperty
Metadata properties set to `true`	None

Applies to

다음을 통해 공유