| Visual Basic (Declaration) | |
|---|---|
Public Event CollectionChanged As NotifyCollectionChangedEventHandler | |
| C# | |
|---|---|
public event NotifyCollectionChangedEventHandler CollectionChanged | |
| C++/CLI | |
|---|---|
public: event NotifyCollectionChangedEventHandler^ CollectionChanged | |
The event handler receives an argument of type NotifyCollectionChangedEventArgs containing data related to this event. The following NotifyCollectionChangedEventArgs properties provide information specific to this event.
| Property | Description |
|---|---|
| Action | |
| NewItems | |
| NewStartingIndex | |
| OldItems | |
| OldStartingIndex |
The CollectionChanged event cannot be used directly when crossing an System.AppDomain boundary, which occurs when accessing the Keysight 89600 VSA software application programming interface (API) from a macro or external client application. See NotifyCollectionChangedWrapper for information on how to receive CollectionChanged notifications.
Target Platforms: Windows 11 Professional or Enterprise; Windows 10 Professional, Enterprise, or Education (64-bit)