ArcGIS Pro 2.9 API Reference Guide
LayoutTool Class
Members 

ArcGIS.Desktop.Layouts Namespace : LayoutTool Class
Represents a tool command used to perform interactive operations on a LayoutView.
Object Model
LayoutTool ClassGraphicElementContainer ClassCIMSymbolReference Class
Syntax
Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Framework.Contracts.PropertyChangedBase
      ArcGIS.Desktop.Framework.Contracts.PlugIn
         ArcGIS.Desktop.Framework.Contracts.Button
            ArcGIS.Desktop.Framework.Contracts.Tool
               ArcGIS.Desktop.Layouts.LayoutTool

Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

See Also

Reference

LayoutTool Members
ArcGIS.Desktop.Layouts Namespace