Classes.TCollectionNotification Enumeration

TCollectionNotification indicates the type of change that is made to the items in a collection.

Pascal

TCollectionNotification = (
  cnAdded,
  cnExtracting,
  cnDeleting
);

C++

enum TCollectionNotification {
  cnAdded,
  cnExtracting,
  cnDeleting
};

The following table lists the values for TCollectionNotification:

Value	Meaning
cnAdded	An item was just added to the collection.
cnExtracting	An item is about to be removed from the collection (but not freed).
cnDeleting	An item is about to be removed from the collection and then freed.