CollectionChanged Event (IAnnNotifyCollectionChanged) (original) (raw)
Summary
Occurs when the collection changes.
Syntax
void addCollectionChangedListener(AnnNotifyCollectionChangedListener listener);
void removeCollectionChangedListener(AnnNotifyCollectionChangedListener listener);
Event Data
The event handler receives an argument of type AnnNotifyCollectionChangedEventArgs containing data related to this event. The following AnnNotifyCollectionChangedEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Action | Gets the action that caused the event. |
| NewItems | Gets the list of new items involved in the change. |
| NewStartingIndex | Gets the index at which the change occurred. |
| OldItems | Gets the list of items affected by a Replace, Remove, or Move action. |
| OldStartingIndex | Gets the index at which a Move, Remove, or Replace action occurred. |