ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMTopoNorthArrow Class / DeclinationArcSymbol Property

DeclinationArcSymbol Property
Gets or sets the line symbol used to display declination arc lines.
Syntax
public CIMSymbolReference DeclinationArcSymbol {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.1 or higher.
See Also