Integrate Your Code with the Frameworks:1.Apps Are Driven by Events.2.Using an Object-Oriented Frame...
Integrate Your Code with the Frameworks:
1.Apps Are Driven by Events.
2.Using an Object-Oriented Framework
3.Inheriting from a Cocoa or Cocoa Touch Class.
(If you intend to supplement the behavior of the superclass implementation, call super.
super.)
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