ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMDimensionStyle Class / DimensionLineSymbol Property

DimensionLineSymbol Property
Gets or sets the symbol used for the dimension line.
Syntax
public CIMLineSymbol DimensionLineSymbol {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also