public void ItemMeasureInvalidated(int index)
{
if (_hasUnevenRows)
{
if (_cached.Count > index)
{
_cached[index] = false;
}
if (_realizedItem.ContainsKey(index))
{
CollectionView.RequestLayoutItems();
}
}
else if (index == 0)
{
// Reset item size to measure updated size
InitializeMeasureCache();
CollectionView.RequestLayoutItems();
}
}
public void UpdateSpan(int span)
{
Span = span;
InitializeMeasureCache();
CollectionView.RequestLayoutItems();
}