Should I call rejectViewController on the modal UIViewController or the UIViewController that introduced it?

Question

It seems to work anyway, but why and how, and what is the best way?

Answer 1

Why and how

Say, viewing controller A introduced B, and B, in turn, introduced C.

When you call dismissViewControllerAnimated:completion:, iOS checks to see if the controller of the view you are calling it has a child in the property presentedViewController. If so, then it rejects this controller.

So, if I call him B in our example, he will reject C, but if I call him A, he will reject B (which takes C with him).

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, B C C, A B C.

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