ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMVignettePostprocessingEffect Class / Size Property

Size Property (CIMVignettePostprocessingEffect)
Gets or sets the percentage of the view effected by the vignette effect.
Syntax
public double Size {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 3.0 or higher.
See Also