Apple DVD Studio Pro 4 - Manual (Page 594)

The Outline tab changes from the current display, either By Type or By VTS, to the alternate
display. If the display is in a split-view mode (showing both By Type and By VTS), clicking
the Alternate View button swaps sides between the two views.
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Drag the partition toward the tab’s center.
The partition edge can be on the left or right—it is the side that has the handle indication.
Comparing the By VTS and By Type Displays
The elements in the By VTS and By Type displays are very similar and can be used to do
many of the same things. For example, double-clicking an element in either display opens
it in its editor and inspector. (Selecting an element in one display also selects that same
element in the other.)
594 Chapter 23 Using Advanced Features