On Wed, Jul 7, 2010 at 3:53 PM, Paul Sanders <p.sand...@alpinesoft.co.uk> wrote: > I have a problem. I need to know when an NSApplicationDefined NSEvent is > deallocated, because it contains a reference to an object in data1 and I want > to release that object at that time. Problem is, you can't subclass NSEvent > because there are no public initialisers. Short of swizzling [NSEvent > dealloc] (erk!) does anyone have an idea about how I might be able to catch > an NSEvent object at the point of deallocation?
If you can require 10.6 (or iOS 4, maybe?) then you can use the new associated object API. Use objc_setAssociatedObject to attach your object to the NSEvent object, and the runtime will automatically take care of destroying it for you when the NSEvent is destroyed. Mike _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com