ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Core.CIM Namespace / CIMGradientFill Class / GradientSize Property
Version

GradientSize Property (CIMGradientFill)
Gets or sets a value which determines how much of the feature is covered by the color scheme. This is either a percentage of the total area which the color scheme spans or the number of page units from the starting point at which the gradient displays.
Syntax
public double GradientSize {get; set;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also