31 View Swapping and Custom Container View Controllers
In the last chapter you used NSTabViewController to allow the user to flip between two view controllers. As we discussed, NSTabViewController is an example of a container view controller, which is a view controller that manages the display of its child view controllers’ views. NSTabViewController displays its child view controllers by means of an NSTabView. The controller handles populating the tab view with the contents of the child view controllers as needed. But how does the tab view work?
View Swapping
When the tab view changes between tabs it uses view swapping, which is a fancy way of saying that it changes out its subviews. It removes the view for the ...
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