ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / SelectionSet Class / IsEmpty Property

IsEmpty Property (SelectionSet)
Gets if the SelectionSet is empty.
Syntax
public bool IsEmpty {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 3.0 or higher.
See Also