ArcObjects Library Reference (Geometry)

ISpatialReferenceFactory.CreateGeoTransformation Method

[Visual Basic .NET]
Public Function CreateGeoTransformation ( _
    ByVal gTransformationType As Integer _
) As ITransformation

[C#]
public ITransformation CreateGeoTransformation (
    int gTransformationType
);

[C++]
HRESULT CreateGeoTransformation(
  long gTransformationType,
  ITransformation** GeoTransformation
);

[C++]
Parameters
gTransformationType 
  gTransformationType is a parameter of type long
GeoTransformation [out, retval]
  GeoTransformation is a parameter of type ITransformation

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

[C#]

            ISpatialReferenceFactory spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
            //Create a geographic (datum) transformation using the predefined geographic
            //transformations. These can be found in the esriGeometry esriSRGeoTransformationType
            //and esriSRGeoTransformation2Type enumerations.
            IGeoTransformation geoTransformation = spatialReferenceFactory.CreateGeoTransformation((int)esriSRGeoTransformation2Type.esriSRGeoTransformation_NAD_1983_TO_HARN_MO) as IGeoTransformation;

[Visual Basic .NET]

        Dim pSpatRefFact As ESRI.ArcGIS.Geometry.ISpatialReferenceFactory
        'Set the spatial reference factory to a new spatial reference environment
        pSpatRefFact = New ESRI.ArcGIS.Geometry.SpatialReferenceEnvironment

        Dim pGeoTran As ESRI.ArcGIS.Geometry.IGeoTransformation

        'Create a geographic (datum) transformation using the predefined geographic
        'transformations. These can be found in the esriGeometry esriSRGeoTransformationType
        'and esriSRGeoTransformation2Type enumerations.

        pGeoTran = pSpatRefFact.CreateGeoTransformation(ESRI.ArcGIS.Geometry.esriSRGeoTransformation2Type.esriSRGeoTransformation_NAD_1983_TO_HARN_MO)