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

WordSpacing Property (AnnotationProperties)
Gets and sets the additional spacing that is added between the words of the text string. 100% indicates that regular spacing is used.
Syntax
public Nullable<double> WordSpacing {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also