Use the Tree Overview
You can zoom in or out on the tree in a dedicated panel.
-
Right-click an element in the
tree
then select
Display > Tree
Overview (or press
Shift+F2).
This displays the Overview on specifications panel containing a view of a tree's portion.
-
Point to the overview dialog box to display the
pointer, and drag.
This drags the overview viewport through which you view part of the tree.
While dragging, the pointer changes to .
-
Drag the handles located in the upper-right and lower-left
corners of the viewport.
This zooms the size of the overview viewport. Only that part of the tree that you see inside the overview viewport is visible in the document tab.