ArcGIS Pro 2.6 API Reference Guide
CIMLineSymbol Class
Members 

ArcGIS.Core.CIM Namespace : CIMLineSymbol Class
Represents a line symbol which is used to draw polyline features or graphics.
Object Model
CIMLineSymbol ClassCIMGeometricEffect ClassCIMLineSymbol ClassCIMLineSymbol ClassCIMSymbolLayer Class
Syntax
Inheritance Hierarchy

System.Object
   ArcGIS.Core.CIM.CIMObject
      ArcGIS.Core.CIM.CIMSymbol
         ArcGIS.Core.CIM.CIMMultiLayerSymbol
            ArcGIS.Core.CIM.CIMLineSymbol

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

CIMLineSymbol Members
ArcGIS.Core.CIM Namespace