collectionView(_:willDisplay:forRepresentedObjectAt:)
Notifies the delegate that the specified item is about to be displayed by the collection view.
Declaration
@MainActor optional func collectionView(_ collectionView: NSCollectionView, willDisplay item: NSCollectionViewItem, forRepresentedObjectAt indexPath: IndexPath)Parameters
- collectionView:
The collection view that is adding the item.
- item:
The item being added.
- indexPath:
The index path of the item.
Discussion
The collection view calls this method before adding new items to its content. You can use this method to track the addition of items and perform related tasks.