Changes the currently visible portion of the map, allowing you to specify additional space around the edges.
- iOS 4.0+
- macOS 10.9+
- tvOS 9.2+
The map rectangle to make visible in the map view.
The amount of additional space (measured in screen points) to make visible around the specified rectangle.
trueif you want the map view to animate the transition to the new map rectangle or
falseif you want the map to center on the specified rectangle immediately.