public bool ShouldReceiveTouch (UIGestureRecognizer gestureRecognizer, UITouch touch)
{
// Ignore drags outside of the region of interest (plus some padding).
if (gestureRecognizer == resizeRegionOfInterestGestureRecognizer) {
var touchLocation = touch.LocationInView (gestureRecognizer.View);
var paddedRegionOfInterest = RegionOfInterest.Inset (-regionOfInterestCornerTouchThreshold, -regionOfInterestCornerTouchThreshold);
if (!paddedRegionOfInterest.Contains (touchLocation))
return false;
}
return true;
}