Enumeration

NSCollectionUpdateAction

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

Declaration

typedef enum NSCollectionUpdateAction : NSInteger {
    ...
} NSCollectionUpdateAction;

Topics

Constants

NSCollectionUpdateActionInsert

Insert the item into the collection view.

NSCollectionUpdateActionDelete

Remove the action from the collection view.

NSCollectionUpdateActionReload

Reload the item, which consists of deleting and then inserting the item.

NSCollectionUpdateActionMove

Move the item from its current location to a new location.

NSCollectionUpdateActionNone

Take no action on the item.

See Also

Accessing the Item Changes

indexPathBeforeUpdate

The index path of the item before the update.

indexPathAfterUpdate

The index path of the item after the update.

updateAction

The action being performed on the item.

NSCollectionViewScrollDirection

Constants indicating the scrolling direction for the layout.