Instance Property

indexPathBeforeUpdate

The index path of the item before the update.

Declaration

@property(readonly) NSIndexPath *indexPathBeforeUpdate;

Discussion

The value of this property is nil for an action of type NSCollectionUpdateActionInsert.

See Also

Accessing the Item Changes

indexPathAfterUpdate

The index path of the item after the update.

updateAction

The action being performed on the item.

NSCollectionUpdateAction

Constants indicating the type of action being performed on an item.

NSCollectionViewScrollDirection

Constants indicating the scrolling direction for the layout.