ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / Layer Class / HasRelates Property

HasRelates Property (Layer)
Gets whether the layer has any relates
Syntax
public bool HasRelates {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.5 or higher.
See Also