hierarchical lists with collapsing arrows

[Richard Gaskin]

Xeubie Tsu wrote:
> One problem I'm having is that when I change the direction of an arrow, it 
> changes all of them because they're all the same arrow image. Does anybody 
> know a way to avoid this?

You might find it useful to take a look at the updater for devolution:

<http://www.fourthworld.com/products/devolution/index.html>

It displays a list which uses graphics as checkboxes, changing their 
state as needed in response to clicks.  You're welcome to borrow any 
parts from that you find useful.

--
  Richard Gaskin
  Managing Editor, revJournal
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  Rev tips, tutorials and more: http://www.revJournal.com