July 28, 2014
Called when the value of properties that describe the size and location of the scroll area change.
Assembly: System.Windows (in System.Windows.dll)
This method is called when one of the following property values change:
This method recomputes the size of the scrollable area when one or more of the listed properties changes. This method also changes the values of the ScrollableHeight and ScrollableWidth properties because they depend on the viewport and extent size.