What is bound to your NSTreeController? If its something like an OutlineView you can have the delegate impliment outlineViewSelectionDidChange. I tested it in my app and it does get called when the OutlineView selection is changes to empty.
Adam On Tue, Apr 1, 2008 at 3:11 PM, Jeff LaMarche <[EMAIL PROTECTED]> wrote: > I've registered to receive notifications from an NSTreeController > instance loaded from a nib, like so: > > [treeController addObserver:self > forKeyPath:@"selection" > options:(NSKeyValueObservingOptionNew | NSKeyValueObservingOptionOld) > context:NULL]; > > I've also tried using @"selectedObjects" rather than @"selection". Now > this notifies me when the selection changes, except it doesn't notify > me if the user clicked somewhere resulting in an empty selection, nor > when the selection is currently empty and the user selects on the same > object that was previously selected. > > I need to know when the selection becomes empty, not just when it > changes from one node to another node. Is there another keyPath or > notification I can register for that will do that? > > TIA, > Jeff > > _______________________________________________ > > 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/agersonl%40gmail.com > > This email sent to [EMAIL PROTECTED] > _______________________________________________ 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 [EMAIL PROTECTED]
