ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / MapView Class / RangeNames Property

RangeNames Property
Gets the range names defined on layers in the map view.
Syntax
public List<string> RangeNames {get;}
Remarks
This property is empty when there are no layers with a range defined in the map. Provides a unique set of all range names defined on layers in the map.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.3 or higher.
See Also