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why i can't find for example the method :

  - (id)performSelector:(SEL)aSelector withObject:(id)object1 withObject:(id)object2;

in official iOS documentation page, and able to used it in Xcode ?...

issamux
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2 Answers2

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I don't know why you couldn't find it.

It's right here at Apple Documentation

Hover with options key on the function, most of the time it does the trick.

Shamas S
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It is in NSObject protocol documentation. Duplicate with (SEL performSelector and arguments)

Community
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vib
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