ArcGIS Pro 2.6 API Reference Guide
IProjectView Interface
Members 

ArcGIS.Desktop.Core Namespace : IProjectView Interface
Implemented on catalog view panes. Indicates whether the details view is being shown and the parent item of any items that are selected.
Object Model
IProjectView InterfaceItem Class
Syntax
public interface IProjectView 
Public Interface IProjectView 
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

IProjectView Members
ArcGIS.Desktop.Core Namespace