ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMGeometricEffectRadial Class / Angle Property

Angle Property (CIMGeometricEffectRadial)
Gets or sets the orientation of the line from the marker. The angle is calculated in a counterclockwise manner with 0 degrees equal to due east.
Syntax
public double Angle {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also