ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping.Events Namespace / ElevationSurfaceLayerCollectionChangedEventArgs Class / Sender Property
Version

Sender Property
Gets the sender.
Syntax
public object Sender {get;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also