Returns a Boolean value that indicates whether appearance and rotation methods are forwarded.
A Boolean value that indicates whether appearance and rotation methods are forwarded.
This method is called to determine whether to automatically forward containment callbacks to the child view controllers.
The default implementation returns YES. Subclasses of the UIViewController class that implement containment logic may override this method to control how these methods are forwarded. If you override this method and return NO, you are responsible for forwarding the following methods to child view controllers at the appropriate times: