ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Editing Namespace / AnnotationProperties Class / Angle Property
Version

Angle Property (AnnotationProperties)
Gets and sets the amount of rotation applied to the annotation around the geometry. This is only valid for point and two point polyline geometries. Measured in degrees.
Syntax
public Nullable<double> Angle {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also