public override bool ShouldInvalidateLayoutForBoundsChange(CGRect newBounds)
{
var boundsDimensionsChanged = newBounds.AreSizesDifferent(CollectionView.Bounds);
var newBoundsHasNonZeroArea = newBounds.Width > nfloat.Epsilon &&
newBounds.Height > nfloat.Epsilon;
//Invalidate if collection bounds have changed
if (boundsDimensionsChanged && newBoundsHasNonZeroArea)
{
return(true);
}
//Set flag and invalidate if sticky headers are enabled
if (AreStickyGroupHeadersEnabled)
{
_invalidatingHeadersOnBoundsChange = true;
return(true);
}
//Don't invalidate
return(false);
}