I've figured it out. Seems the item is collapsable only when the delegate method *- (BOOL)outlineView:(NSOutlineView *)outlineView shouldShowOutlineCellForItem:(id)item* returns YES for that item. Otherwise, you can only expand the item.
Thanks, On Wed, Jun 19, 2013 at 11:20 AM, Jens Alfke <[email protected]> wrote: > > On Jun 18, 2013, at 7:16 PM, Peng Gu <[email protected]> wrote: > > > [[self.outlineView animator] collapseItem:item]; > > I’ve never tried using the animator proxy to do this; I don’t think it’s > necessary (the expand/collapse will be animated anyway.) Have you tried > calling the view directly? > > —Jens > > _______________________________________________ Cocoa-dev mailing list ([email protected]) 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
