NSCollectionViewUpdateItem
A description of a single change to make to an item in a collection view.
Declaration
@MainActor class NSCollectionViewUpdateItemOverview
You do not create instances of this class directly. When updating its content, the collection view object creates them and passes them to the layout object’s prepare(forCollectionViewUpdates:) method, which can use them to prepare for the upcoming changes.
Topics
Accessing the Item Changes
indexPathBeforeUpdateindexPathAfterUpdateupdateActionNSCollectionView.UpdateActionNSCollectionView.ScrollDirection