> On 10 Aug 2017, at 19:38, Quincey Morris
> <[email protected]> wrote:
> On Aug 10, 2017, at 08:36 , J.E. Schotsman <[email protected]> wrote:
>> I would like to use the transition(from:to:options:completionHandler:)
>> method of NSViewController but the tab view item's viewController property
>> is nil.
> Are you using a storyboard for the window?
No, it’s a xib-based app. I am using Xcode 8.3.3, Xcode 3.2 compatible format.