Trace out the UIDUtil.getUID of each item in the ArrayCollection. See if any are the same.
Alex Harui Flex SDK Developer Adobe Systems Inc.<http://www.adobe.com/> Blog: http://blogs.adobe.com/aharui From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] On Behalf Of Tim Gallagher Sent: Wednesday, July 22, 2009 4:31 PM To: flexcoders@yahoogroups.com Subject: [flexcoders] Re: Problem with Flex tree and arraycollection What is the uid for the tree ui? Thanks, Timgerr Sent from my iPhone