ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.Geometry Namespace / Multipart Class / Area Property

Area Property (Multipart)
Gets the area of this instance.
Syntax
public abstract double Area {get;}
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also