Overridden to indicate that the specified gesture recognizer must fail before the current object begins recognizing its gesture.
- macOS 10.10+
The gesture recognizer that must fail before the current object is allowed to recognize its gesture.
true to cause the current object to wait to recognize its own gesture until the object in otherGestureRecognizer fails.
Using this method lets you define rules that apply to all instances of your custom gesture recognizer class.