July 28, 2014
Assembly: System.Windows (in System.Windows.dll)
Typically, updates and notifications occur automatically after the layout is updated in Windows Phone. (The update occurs in response to the LayoutUpdated event.) However, properties can change even when no rendering changes occur. For example, the visual rendering usually does not change when the values of an element's ItemStatus or Name properties change. Call when your code changes properties that do not change the visual state. forces re-evaluation of automation properties and raises property change notifications to automation clients.