ArcGIS Pro 2.6 API Reference Guide
Angle Property (AnnotationProperties)

ArcGIS.Desktop.Editing Namespace > AnnotationProperties Class : Angle Property
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;}
Public Property Angle As Nullable(Of Double)
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

AnnotationProperties Class
AnnotationProperties Members