ArcGIS Pro 2.8 API Reference Guide
ProjectWindowSelectedItemsChangedEventArgs Class
Members 

ArcGIS.Desktop.Core.Events Namespace : ProjectWindowSelectedItemsChangedEventArgs Class
Event argument for the ProjectWindowSelectedItemsChangedEvent
Object Model
ProjectWindowSelectedItemsChangedEventArgs ClassIProjectWindow Interface
Syntax
public class ProjectWindowSelectedItemsChangedEventArgs : System.EventArgs 
Public Class ProjectWindowSelectedItemsChangedEventArgs 
   Inherits System.EventArgs
Remarks
Access the IProjectWindow to get the selection change for that window. There can be more than one project (view) pane open as well as the Project dockpane ("catalog"). Each will have its own selection.
Inheritance Hierarchy

System.Object
   System.EventArgs
      ArcGIS.Desktop.Core.Events.ProjectWindowSelectedItemsChangedEventArgs

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

ProjectWindowSelectedItemsChangedEventArgs Members
ArcGIS.Desktop.Core.Events Namespace