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Explain class hierarchy for a UIButton until NSObject?

Royce Roy2398507-Jan-2017
iosiphone ios 
Updated on 24-Sep-2020
Royce Roy

Royce Roy

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Royce Roy

Royce Roy

07-Jan-2017

UIButton -> UIControl -> UIView -> UIResponder ->NSObject. UIButton inherits UIControl ,UIControl inherits UIView ,UIView inherits   UIResponder and  UIResponder inherits NSObject.

 

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