private void InvokeOnScroll()
{
var shouldReportNegativeOffsets = (TemplatedParent as ScrollViewer)?.ShouldReportNegativeOffsets ?? false;
// iOS can return, eg, negative values for offset, whereas Windows never will, even for 'elastic' scrolling
var clampedOffset = shouldReportNegativeOffsets ?
ContentOffset :
ContentOffset.Clamp(CGPoint.Empty, UpperScrollLimit);
(TemplatedParent as ScrollViewer)?.OnScrollInternal(clampedOffset.X, clampedOffset.Y, isIntermediate: _isInAnimatedScroll);
}
private void InvokeOnScroll()
{
var scroller = GetParentScrollViewer();
if (scroller is null)
{
return;
}
// iOS can return, eg, negative values for offset, whereas Windows never will, even for 'elastic' scrolling
var clampedOffset = scroller.ShouldReportNegativeOffsets
? ContentOffset
: ContentOffset.Clamp(CGPoint.Empty, UpperScrollLimit);
scroller.OnScrollInternal(clampedOffset.X, clampedOffset.Y, isIntermediate: _isInAnimatedScroll);
}