ArcGIS Pro 2.6 API Reference Guide
MapViewOverlayControl Class
Members 

ArcGIS.Desktop.Mapping Namespace : MapViewOverlayControl Class
Implements IMapViewOverlayControl to add an overlay control over a MapView.
Syntax
Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Mapping.MapViewOverlayControl

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

MapViewOverlayControl Members
ArcGIS.Desktop.Mapping Namespace