OnVisualParentChanged Method (Part)

A value of type System.Windows.DependencyObject that represents the previous parent of the System.Windows.Media.Visual object. If the System.Windows.Media.Visual object did not have a previous parent, the value of the parameter is a null reference (Nothing in Visual Basic).

Called when the parent of the visual object is changed.

Syntax

protected override void OnVisualParentChanged( 
   DependencyObject oldParent
)

oldParent: A value of type System.Windows.DependencyObject that represents the previous parent of the System.Windows.Media.Visual object. If the System.Windows.Media.Visual object did not have a previous parent, the value of the parameter is a null reference (Nothing in Visual Basic).

Remarks

For example, this will detect a <Node> inside a <DataTemplate>.