ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMHatchFill Class / LineSymbol Property

LineSymbol Property (CIMHatchFill)
Gets or sets the line symbol that is used to draw the hatch lines in the fill.
Syntax
public CIMLineSymbol LineSymbol {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also