ScrollViewer.SetIsDeferredScrollingEnabled Method (DependencyObject, Boolean)
Sets the IsDeferredScrollingEnabled property for the specified object.
Assembly: PresentationFramework (in PresentationFramework.dll)
public static void SetIsDeferredScrollingEnabled( DependencyObject element, bool value )
Displaying a large number of items may cause performance issues. In this case, it might be useful to use deferred scrolling. For more information, see Optimizing Performance: Controls.
Available since 3.0