MarkerDragStartEvent constructor
Build a MarkerDragStart Event triggered from the map represented by mapId
.
The position
on this event is the LatLng on which the Marker was picked up from.
The value
of this event is a MarkerId object that represents the Marker.
Implementation
MarkerDragStartEvent(int mapId, LatLng position, MarkerId markerId) : super(mapId, position, markerId);