Returns whether to cancel touches related to the content subview and start dragging.
- iOS 2.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
The view object in the content that is being touched.
true to cancel further touch messages to
false to have
view continue to receive those messages. The default returned value is
view is not a
UIControl object; otherwise, it returns
The scroll view calls this method just after it starts sending tracking messages to the content view. If it receives
false from this method, it stops dragging and forwards the touch events to the content subview. The scroll view does not call this method if the value of the
can property is