ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Core Namespace / VertexSymbolOptions Class / AngleRotation Property

AngleRotation Property
Gets and sets the angle rotation (in degrees). Default value is 0.
Syntax
public double AngleRotation {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.9 or higher.
See Also