ArcGIS Pro 2.7 API Reference Guide
MapProjectItem Class
Members 

ArcGIS.Desktop.Mapping Namespace : MapProjectItem Class
Represents a map project item.
Object Model
MapProjectItem ClassMapProjectItem ClassItem ClassMap ClassTimeInstant Class
Syntax
Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Framework.Contracts.PropertyChangedBase
      ArcGIS.Desktop.Core.Item
                  ArcGIS.Desktop.Mapping.MapProjectItem

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

MapProjectItem Members
ArcGIS.Desktop.Mapping Namespace