PlacementTarget Property

Popup.PlacementTarget Property

 

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

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

[<BindableAttribute(true)>]
member PlacementTarget : UIElement with get, set

Property Value

Type: System.Windows.UIElement

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

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

Identifier field

PlacementTargetProperty

Metadata properties set to true

None

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>

.NET Framework
Available since 3.0
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