Been working on an application that uses the tree control - a
source of endless frustration... If anyone has an idea on this
issue please help...
I allow users to add a folder to the tree dynamically using
isBranch=true (AFAIK its the proper way according to flex2 devguide
page 200). The tree item adds but if you expand it then collapse
and re-expand its parent the app goes in endless loop with this
TypeError: Error #1009: Cannot access a property or method of
a null object reference.
http://www.adobe.com/2006/flex/mx/internal::onTweenEnd() at mx.effects::Tween/endTween()
http://www.adobe.com/2006/flex/mx/internal::doInterval() at mx.effects::Tween$/private::timerHandler()