ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.Geometry Namespace / EllipticArcBuilderEx Class / SetRadius(Double) Method
The radius of the arc.

SetRadius(Double) Method
Sets the radius of a circular arc. If the arc is not circular, sets both the semi-major and semi-minor axes to the same value.
Syntax
public void SetRadius( 
   double radius
)

Parameters

radius
The radius of the arc.
Exceptions
ExceptionDescription
radius is NaN.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.9 or higher.
See Also