ios - Two Controls Events on one UIButton -

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in iphone app it's possible add 2 uicontrolevents on 1 unbutton?

i want add touch inside , touch drag exit, tried add touch inside in ib in viewdidload add touch drag exit programmatically using following code:

[btn addtarget:self action:@selector(method:) forcontrolevents:uicontroleventtouchdragexit];

it's work i'm wondering won't cause app crash?!

thanks.

you can add multiple events controls. if have overlapping events, of events might not fire wont crash application.

more event programming: https://developer.apple.com/library/ios/documentation/eventhandling/conceptual/eventhandlingiphoneos/introduction/introduction.html


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