ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / Layer Class / Parent Property
Version

Parent Property (Layer)
Gets the parent of the layer. It is either the group layer it belongs to, or the map for layers that do not belong in any group layers.
Syntax
public ILayerContainer Parent {get;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also