ArcGIS Pro 2.6 API Reference Guide
ArcGIS.Desktop.Extensions Assembly
Namespaces
NamespaceDescription
This namespace contains classes that support Core Data.
This namespace contains classes that support Core Data Extensions.

The ArcGIS.Core.Data.UtilityNetwork.Extensions namespace contains methods for integrating low-level Utility Network operations into the Pro user interface.

The ArcGIS.Desktop.Extensions.Controls namespace contains WPF user controls used in the ArcGIS Pro SDK Visual Studio templates.
The ArcGIS.Desktop.Mapping namespace contains types to create maps and layers, label features, perform query operations, and visualize them in 2D or 3D.