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

Underline Property (AnnotationProperties)
Gets and sets whether to draw the annotation with an underline.
Syntax
public Nullable<bool> Underline {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also