FeatureManager Design Tree Arrow Navigation

With the pointer in the FeatureManager design tree, you can navigate the tree with the arrow keys.

To . . . Press:
scroll up up arrow
scroll down down arrow
collapse the design tree left arrow with pointer at top of design tree
expand the design tree right arrow with pointer at top of design tree
collapse an item left arrow with pointer at item
expand an item right arrow with pointer at item
drag the rollback bar up up arrow with rollback bar selected
drag the rollback bar down down arrow with rollback bar selected