Ensamblado: PresentationFramework (en presentationframework.dll)
Valor devueltotrue if the property value has changed from its default; otherwise, false.
This ShouldSerialize method is provided because the AncestorLevel property does not have a simple default value. This method indicates whether the property has changed from its default value. You typically invoke this method if you are either developing a designer for the RelativeSource or developing your own control incorporating the RelativeSource.