Re: Swift NSOutlineView "Illegal NSOutlineView data source"
Re: Swift NSOutlineView "Illegal NSOutlineView data source"
- Subject: Re: Swift NSOutlineView "Illegal NSOutlineView data source"
- From: Quincey Morris <email@hidden>
- Date: Fri, 31 Jul 2015 22:33:46 +0000
On Jul 31, 2015, at 15:17 , Rick Mann <email@hidden> wrote:
>
> I'm not sure why those methods are optional if they must be implemented, but whatever.
Incidentally, they’re optional because a bindings-based table doesn’t use them, but still might have a data source because the methods that support drag-and-drop are data source methods, not delegate methods.
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