ArcGIS Pro 2.8 API Reference Guide
FrameworkExtender Class
Members 

ArcGIS.Desktop.Core Namespace : FrameworkExtender Class
Contains extension methods to extend ArcGIS.Desktop.Framework members.
Object Model
FrameworkExtender ClassITablePane Interface
Syntax
public static class FrameworkExtender 
Public MustInherit NotInheritable Class FrameworkExtender 
Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Core.FrameworkExtender

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

FrameworkExtender Members
ArcGIS.Desktop.Core Namespace