ArcGIS Pro 2.6 API Reference Guide
ArcGIS.Desktop.Mapping Namespace (ArcGIS.Desktop.Extensions)
Inheritance Hierarchy
The ArcGIS.Desktop.Mapping namespace contains types to create maps and layers, label features, perform query operations, and visualize them in 2D or 3D.
Classes
 ClassDescription
Class Extension methods for Mapping objects.
ClassRepresents a tool command used to perform interactive operations on a MapView.
Class Provides data for map view keyboard related events.
Class Provides data for map view mouse button related events.
Class Provides data for map view mouse related events.
Enumerations
 EnumerationDescription
Enumeration Specifies different modes for the sketch to be in to modify the current sketch geometry.
See Also

Reference

ArcGIS.Desktop.Extensions Assembly