Fires when changes are made to the column collection.
public event CollectionChangeEventHandler CollectionChanged
Public Event CollectionChanged As CollectionChangeEventHandler
The CollectionChanged event's data class is CollectionChangeEventArgs. The following properties provide information specific to this event:
|Action||Gets an action that specifies how the collection changed.|
|Element||Gets the instance of the collection with the change.|
This event fires in response to the elements in the collection being added or removed.