addGestureRecognizer(_:)
Attaches a gesture recognizer to the view.
Declaration
func addGestureRecognizer(_ gestureRecognizer: NSGestureRecognizer)Parameters
- gestureRecognizer:
The gesture recognizer to attach to the view. This parameter must not be
nil.
Discussion
Attaching a gesture recognizer to a view defines the scope of the represented gesture, causing it to receive touches occurring only in the view or one of its subviews. The view establishes a strong reference to the specified gesture recognizer.