It does not. The virtual layout logic is handled by DataGroup.
Oh, I see.
So the DataGroup will deal with the virtualization part if required, otherwise the Scroller Class will only provide scrolling capabilities.
1 person found this helpfulI should also note that DataGroup doesn't do all of the work alone, it cooperates with a layout that supports virtualization. BasicLayout does not support virtualization, but VerticalLayout/HorizontalLayout/TileLayout do.If you want to create a custom layout and support virtualization you might find this post useful:
http://flexponential.com/2010/03/06/learn-how-to-create-a-simple-virtual-layout-in-flex-4/And here is the spec for virtual layout in spark:
Excellent! Thank you.