ArcGIS Pro 2.6 API Reference Guide
Union Method (IGeometryEngine)

ArcGIS.Core.Geometry Namespace > IGeometryEngine Interface : Union Method
Overload List
OverloadDescription
Constructs the set-theoretic union of the input geometries.  
Constructs the set-theoretic union of the input geometries.  
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

IGeometryEngine Interface
IGeometryEngine Members