ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMLinkChartRelationship Class / Expanded Property

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

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.7 or higher.
See Also