Hi Jeff, Just curiosity, what Application Domain are you using? http://livedocs.adobe.com/flex/3/html/help.html?content=18_Client_System_Environment_5.html
<http://livedocs.adobe.com/flex/3/html/help.html?content=18_Client_System_Environment_5.html> VELO On Thu, Apr 23, 2009 at 11:13 AM, Battershall, Jeff < jeff.battersh...@dowjones.com> wrote: > > > Gregor, > > Very interesting indeed. If I login, load the module, interact with the > combobox, logout, the instance remains in the profiler. However if I do all > that and THEN load another module and logout, the number of instances of the > first module goes to zero. These modules are being loaded into a ViewStack, > BTW. > > Is this the FocusManager bug you described? Is there a workaround? > > I'd be thrilled to discover that Binding was not the culprit here. > > Jeff > > -----Original Message----- > *From:* flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] *On > Behalf Of *Gregor Kiddie > *Sent:* Thursday, April 23, 2009 9:40 AM > *To:* flexcoders@yahoogroups.com > *Subject:* RE: [flexcoders] Unloading Modules - Binding is the Enemy? > > It does sound like you are describing the bug where the focus manager > holds onto the reference of the combo box and stops the module unloading… > > If you lose the combobox focus, does the module unload? > > > > Gk. > > *Gregor Kiddie* > Senior Developer > *INPS* > > Tel: 01382 564343 > > Registered address: The Bread Factory, 1a Broughton Street, London SW8 3QJ > > Registered Number: 1788577 > > Registered in the UK > > Visit our Internet Web site at www.inps.co.uk > > The information in this internet email is confidential and is intended > solely for the addressee. Access, copying or re-use of information in it by > anyone else is not authorised. Any views or opinions presented are solely > those of the author and do not necessarily represent those of INPS or any of > its affiliates. If you are not the intended recipient please contact > is.helpd...@inps.co.uk > ------------------------------ > > *From:* flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] *On > Behalf Of *Battershall, Jeff > *Sent:* 23 April 2009 14:32 > *To:* flexcoders@yahoogroups.com > *Subject:* RE: [flexcoders] Unloading Modules - Binding is the Enemy? > > > > > > > Thanks Pedro, > > > > I've seen what your describing in the docs - I'm looking at this via the > profiler which is giving me feedback as to number of live instances, etc. > > > > Here's what I'm basing my statements on:. > > > > 1) I start up my app, which loads modules at runtime based upon user choice > from a menu. > > > > 2) Module exectues Cairngorm Event/Command/Delegate to get array to > populate a combo box. I'm passing a reference to the module's model in my > Cairngorm event and the model is updated upon completion of the Command. > > > > 3) Combobox is bound (via MXML) to the model. > > > > 4) If I don't interact with the combobox, I can then logout and unload the > module successfully. The profiler tells me there was previously 1 instance > of the module and now there are zero instances. > > > > 5) If I make the combobox active (by interacting with it in any way), and > then logout, the module remains in memory, with the profiler reporting one > instance instead of zero. > > > > 6) If I then login again, the Profiler reports 2 active instances of the > module. Note that any model objects are duplicated as well. For example, if > my list of suppliers (used to popuate my combobox) (a strongly typed AS > class) was previously 64, the profiler now reports there are 128 instances. > > > > > There's my behavior. When my UI object (in this case ComboBox), becomes > active, the binding becomes active and then the module will not unload, even > if I set the modules model to null before attempting to unload. It would > appear that I need to invalidate all outstanding bindings to any data object > before the module will fully unload. This would seem to indicate that MXML > binding (via curly braces) isn't going to allow this. > > > > Jeff > > >
