this can be done.
> at first I was thinking of keeping a register of what was opened so I
> knew what to close.
you dont have to. mx:tree has a property called openItems ..this has a
reference to all the opened items. all you have to do is check whether
anything is opened during a Tree.itemOpen event
eg
<mx:Tree id="tree1" itemOpen="treeOpened(event)">
public function treeOpened(event:TreeEvent):void
{
if(tree1.openItems.length > 1)
{
tree1.expandItem(tree1.openItems[0], false);
}
something like this
--- In flexcoders@yahoogroups.com, "barry.beattie" <[EMAIL PROTECTED]>
wrote:
>
> no takers, Mick?
>
> this was one thing I wanted to look into before being sidetracked
with
> some datagrids.
> at first I was thinking of keeping a register of what was opened so I
> knew what to close.
> then I was thinking of closing all before opening the selected one.
> these are just some rough thoughts in absence of anything better.
>
> it *must* be possible: the panels do it.
>
> cheers
> barry.b
>
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