| Name | Description | |
|---|---|---|
|  | MapMemberDataSourceChangingEvent Constructor | 
The following tables list the members exposed by MapMemberDataSourceChangingEvent.
| Name | Description | |
|---|---|---|
|  | MapMemberDataSourceChangingEvent Constructor | 
| Name | Description | |
|---|---|---|
|  | BroadcastAsync | Publishes the ArcGIS.Core.Events.CompositePresentationEvent<TPayload>. (Inherited from ArcGIS.Core.Events.AsyncPresentationEvent<MapMemberCancelEventsArgs>) | 
|  | Contains | Overloaded. (Inherited from ArcGIS.Core.Events.AsyncPresentationEvent<MapMemberCancelEventsArgs>) | 
|  | Register | Subscribes a delegate to an event that will be published on the publisher thread. ArcGIS.Core.Events.AsyncPresentationEvent<TPayload> will maintain a | 
|   | Subscribe | Subscribe to the MapMemberDataSourceChangingEvent. | 
|  | Unregister | Overloaded. (Inherited from ArcGIS.Core.Events.AsyncPresentationEvent<MapMemberCancelEventsArgs>) | 
|   | Unsubscribe | Overloaded. | 
| Name | Description | |
|---|---|---|
|  | ContainsAny | Returns true if there are currently any subscribers. (Inherited from ArcGIS.Core.Events.AsyncPresentationEvent<MapMemberCancelEventsArgs>) | 
|  | OnFirstRegister | Called when the first subscriber subscribes to this event. (Inherited from ArcGIS.Core.Events.AsyncPresentationEvent<MapMemberCancelEventsArgs>) | 
|  | OnLastUnregister | Called when the last subscriber unsubscribes from this event. (Inherited from ArcGIS.Core.Events.AsyncPresentationEvent<MapMemberCancelEventsArgs>) |