ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMElement Class / Expanded Property
Version

Expanded Property (CIMElement)
Gets or sets a value indicating whether this element is expanded in the contents pane.
Syntax
public bool Expanded {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.2 or higher.
See Also