ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMStroke Class / CapStyle Property

CapStyle Property
Gets or sets how the stroke should draw at the ends of the geometries.
Syntax
public LineCapStyle CapStyle {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also