public bool ShouldRecognizeSimultaneously (UIGestureRecognizer gestureRecognizer, UIGestureRecognizer otherGestureRecognizer)
{
// Allow multiple gesture recognizers to be recognized simultaneously if and only if the touch location is not within the touch threshold.
if (gestureRecognizer == resizeRegionOfInterestGestureRecognizer) {
var touchLocation = gestureRecognizer.LocationInView (gestureRecognizer.View);
var closestCorner = CornerOfRect (RegionOfInterest, touchLocation);
return closestCorner == ControlCorner.None;
}
return false;
}