Not sure but what is reused is the TreeCell, the TreeItem is not freed and has to exists as long as you show the tree!
Tom On 26.07.13 13:37, Fabrizio Giudici wrote: > Hello. > > I have a library which creates a hierarchy of TreeItems out of a data > model, and of course the root TreeItem is later attached to a TreeView. > I need to know when those TreeItems are no more used, so I can free some > resources in the data model. I supposed that TreeItem had a life-cycle > method or an event that notifies its destruction, but I seem unable to > find it. At the moment it sounds as the solution is rather to watch for > the TreeView and detect when it is destroyed, or its root property is > changed, and then decide that the previously attached TreeView is no > more used. It would be fine for me, but I'm just trying to understand > whether this is the simpler, most appropriate approach. > > Thanks. >
