ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMGeometricEffectBuffer Class / Size Property
Version

Size Property (CIMGeometricEffectBuffer)
Gets or sets the distance from the feature. This distance is either from the edge of the marker, the edge of the stroke or the edge of the polygon outline.
Syntax
public double Size {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also