Getting the bounds of an MKMapView

Question

In order to setup a query to an external server I want to get the bounds of the current Map View in an iPhone app I\'m building. UIView should respond to bounds but it seems

Answer 1

I was having some trouble with some of the other answers for maps that had been 2 finger rotated. This code worked for me:

MKMapRect rect = self.mapView.visibleMapRect;
CLLocationCoordinate2D northeast = MKCoordinateForMapPoint(MKMapPointMake(MKMapRectGetMaxX(rect),rect.origin.y));
CLLocationCoordinate2D southwest = MKCoordinateForMapPoint(MKMapPointMake(rect.origin.x         ,MKMapRectGetMaxY(rect)));

My answer is derived from 陈保状's answer and the associated website enter link description here. Its simplified down too 3 lines for south west and north east corners.