public override MKAnnotationView GetViewForAnnotation (MKMapView mapView, NSObject annotation)
{
var anv = mapView.DequeueReusableAnnotation("thislocation");
if (anv == null)
{
var pinanv = new MKPinAnnotationView(annotation, "thislocation");
pinanv.AnimatesDrop = true;
pinanv.PinColor = MKPinAnnotationColor.Green;
pinanv.CanShowCallout = false;
anv = pinanv;
}
else
{
anv.Annotation = annotation;
}
return anv;
}
}