What does the selection of CALayer in View Effects Inspector inside Interface Builder do?

Question

Inside IB, in Inspector View Effects, it is possible to install Core Animation Layer. If I install it, what does he do?

Is it equivalent to setWantsLayer:YES ?

If so, then Apple docs setWantsLayer can be called before or after setLayer:

The order that setWantsLayer: and setLayer: are called is important, it makes the distinction between a layer-backed view and a layer-hosting view.

If I installed CALayer from IB, what order will it be?

Answer 1

The checkbox makes your image with layer support (for example, calling setWantsLayer: without setLayer: .