So you use the groupIDs property on each card to find out which groups are on each card, merge 'em all together and remove any duplicates.
Yes, that would work fine if all groups were on a card! ;-) As Wilhelm points out, it's possible to use a loop to generate the names of all the top-level groups (including unplaced groups) and work from there, but it's not elegant and it's not fast. The way the backgroundNames and backgroundIDs used to work - generating a list of all groups, rather than a subset - was far simpler for applications where you need to run through all controls, or display a list of groups.
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jeanne a. e. devoto ~ [EMAIL PROTECTED]
http://www.jaedworks.com
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