ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMGeometricEffectDonut Class / Width Property

Width Property (CIMGeometricEffectDonut)
Gets or sets the distance from the edge of the polygon that the fill symbol is to be displayed.
Syntax
public double Width {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also