Modify several properties of a stacked-tree at the same time.
See the initargs of stacked-tree.
modify-stacked-tree can be used to modify several properties in
at the same time. Most importantly, it allows you to set the properties that you are likely to want to change at the time you set the root.
has no effect until the next time the root is set. If you want to set one or both of them for the existing root, just supply the
:root keyword with the current root using
Supplying root or value has an immediate effect, and stacked-tree is redrawn with the new setting. When supplying root , this means recomputing the whole tree, which may take enough time to cause a noticeable delay.
CAPI User Guide and Reference Manual (Macintosh version) - 3 Aug 2017