ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping.Events Namespace / ElevationSurfaceLayerCollectionChangedEvent Class / Subscribe Method
The delegate that gets executed when the event is published.
When false the ArcGIS.Core.Events.CompositePresentationEvent<TPayload> will maintain a weak delegate reference to the subscriber. Using a weak delegate reference relieves the subscriber from the need to unsubscribe to enable proper garbage collection.

In This Topic
    Subscribe Method (ElevationSurfaceLayerCollectionChangedEvent)
    In This Topic
    Subscribe to the ElevationSurfaceLayerCollectionChangedEvent.
    Syntax

    Parameters

    action
    The delegate that gets executed when the event is published.
    keepSubscriberAlive
    When false the ArcGIS.Core.Events.CompositePresentationEvent<TPayload> will maintain a weak delegate reference to the subscriber. Using a weak delegate reference relieves the subscriber from the need to unsubscribe to enable proper garbage collection.

    Return Value

    A ArcGIS.Core.Events.SubscriptionToken that uniquely identifies the added subscription.
    Requirements

    Target Platforms: Windows 11, Windows 10

    ArcGIS Pro version: 3 or higher.
    See Also