ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Core Namespace / IItemFactory Interface / IsCustomItem Method

IsCustomItem Method (IItemFactory)
Overload List
OverloadDescription
Determines whether the path points to a custom item or not.  
Gets whether the item is a custom item.  
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.4 or higher.
See Also