ArcGIS Pro 2.7 API Reference Guide
ArcGIS.Desktop.Core Namespace (ArcGIS.Desktop.Layouts)
Inheritance Hierarchy
This namespace contains extension methods for classes in the ArcGIS.Desktop.Core assembly.
Classes
 ClassDescription
ClassContains extension methods to extend the PaneCollection class.
ClassContains extension methods to extend the PaneCollection class.
See Also

Reference

ArcGIS.Desktop.Layouts Assembly