ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMGridLine Class / Symbol Property

Symbol Property (CIMGridLine)
Gets or sets symbol of the grid line.
Syntax
public CIMSymbolReference Symbol {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also