mOvershootProperty = IsVertical() ? Toolkit::ScrollView::Property::OVERSHOOT_Y : Toolkit::ScrollView::Property::OVERSHOOT_X;
// make sure height is set, since we only create a constraint for image width
mOvershootProperty = IsVertical() ? Toolkit::ScrollView::Property::OVERSHOOT_Y : Toolkit::ScrollView::Property::OVERSHOOT_X;
// make sure height is set, since we only create a constraint for image width