ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.Geometry Namespace / EllipticArcBuilderEx Class / SemiMajorAxis Property

SemiMajorAxis Property (EllipticArcBuilderEx)
Gets or sets the length of the semi-major axis.
Syntax
public double SemiMajorAxis {get; set;}
Exceptions
ExceptionDescription
The SemiMajorAxis is NaN.
Remarks
Changing the semi-major axis may change the start and end points.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.9 or higher.
See Also