# C1.C1Preview.EventCollection ## Content

EventCollection Class

Represents an OwnedCollection that fires events when changing.

EventCollection

public class EventCollection : OwnedCollection, IList, ICollection, IEnumerable

Public Class EventCollection
    Inherits OwnedCollection
    Implements IList, ICollection, IEnumerable

Name	Description
EventCollection(ICollectionOwner)	Initializes a new instance of the EventCollection.

Name	Description
OnClear()	Called when the collection is about to be cleared. Fires the Changing event.
OnClearComplete()	Called after the collection has been cleared. Fires the Changed event.
OnInsert(int, object)	Called when an item is about to be iserted. Fires the Changing event.
OnInsertComplete(int, object)	Called after an item has been inserted. Fires the Changed event.
OnRemove(int, object)	Called when an item is about to be removed. Fires the Changing event.
OnRemoveComplete(int, object)	Called after an item has been removed. Fires the Changed event.
OnSet(int, object, object)	Called when an item is about to be set. Fires the Changing event.
OnSetComplete(int, object, object)	Called after an item has been set. Fires the Changed event.

Name	Description
Changed	Occurs after a change has been made to the current collection.
Changing	Occurs when a change is about to be made to the current collection.