ArcGIS Pro 2.7 API Reference Guide
ArcGIS.Desktop.Mapping Namespace (ArcGIS.Desktop.Extensions) Inheritance Hierarchy
Inheritance Hierarchy
System.Object
   ArcGIS.Desktop.Framework.Contracts.PropertyChangedBase
      ArcGIS.Desktop.Framework.Contracts.PlugIn
         ArcGIS.Desktop.Framework.Contracts.Button
            ArcGIS.Desktop.Framework.Contracts.Tool
               ArcGIS.Desktop.Mapping.MapTool
   ArcGIS.Desktop.Mapping.MappingExtensions
   ArcGIS.Desktop.Mapping.ParcelFabricExtensions
   System.EventArgs
      System.Windows.RoutedEventArgs
         System.Windows.Input.InputEventArgs
            System.Windows.Input.KeyboardEventArgs
               System.Windows.Input.KeyEventArgs
                  ArcGIS.Desktop.Mapping.MapViewKeyEventArgs
            System.Windows.Input.MouseEventArgs
               ArcGIS.Desktop.Mapping.MapViewMouseEventArgs
               System.Windows.Input.MouseButtonEventArgs
                  ArcGIS.Desktop.Mapping.MapViewMouseButtonEventArgs
See Also

Reference

ArcGIS.Desktop.Extensions Assembly