| [Overview][Constants][Types][Classes][Procedures and functions][Variables] | 
Collection change notifcation enumeration.
Source position: classesh.inc line 361
| type TCollectionNotification = ( | ||
| cnAdded, | 
 | An item is added to the collection. | 
| cnExtracting, | 
 | An item is extracted from the collection. | 
| cnDeleting | 
 | An item is deleted from the collection. | 
| ); | 
TCollectionNotification is used in the TCollection class to send notifications about changes to the collection.