ArcGIS Pro 2.8 API Reference Guide
GeometryBuilderEx Class
Members 

ArcGIS.Core.Geometry Namespace : GeometryBuilderEx Class
An abstract base class for all pure .Net geometry builders.
Object Model
GeometryBuilderEx ClassGeometry ClassGeometry ClassSpatialReference ClassGeometry Class
Syntax
public abstract class GeometryBuilderEx 
Public MustInherit Class GeometryBuilderEx 
Remarks
The GeometryBuilderEx classes are pure .Net classes that can be created on any thread. This is different from GeometryBuilder classes that must be created on the main CIM thread and rely heavily on interop calls.
Inheritance Hierarchy

System.Object
   ArcGIS.Core.Geometry.GeometryBuilderEx
      ArcGIS.Core.Geometry.EnvelopeBuilderEx
      ArcGIS.Core.Geometry.MapPointBuilderEx
      ArcGIS.Core.Geometry.MultipartBuilderEx
      ArcGIS.Core.Geometry.MultipatchBuilderEx
      ArcGIS.Core.Geometry.MultipointBuilderEx

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

GeometryBuilderEx Members
ArcGIS.Core.Geometry Namespace