ArcGIS Pro 2.6 API Reference Guide
DatumTransformation Class
Members 

ArcGIS.Core.Geometry Namespace : DatumTransformation Class
An abstract class for datum transformations. Currently, a datum transformation can be a GeographicTransformation or a CompositeGeographicTransformation or HVDatumTransformation or CompositeHVDatumTransformation.
Object Model
DatumTransformation ClassDatumTransformation ClassDatumTransformation ClassSpatialReference ClassSpatialReference Class
Syntax
public abstract class DatumTransformation 
Public MustInherit Class DatumTransformation 
Inheritance Hierarchy

System.Object
   ArcGIS.Core.Geometry.DatumTransformation
      ArcGIS.Core.Geometry.CompositeGeographicTransformation
      ArcGIS.Core.Geometry.CompositeHVDatumTransformation
      ArcGIS.Core.Geometry.GeographicTransformation
      ArcGIS.Core.Geometry.HVDatumTransformation

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

DatumTransformation Members
ArcGIS.Core.Geometry Namespace