IGeoTransformationHelper Interface

Provides access to member that control a geographic transformation helper.

Members

	Name	Description
	DefaultTargetCoordinateSystems	The collection of ISpatialReference objects used as default target coordinate systems by the 'Install' method if the 'pTargetSR' argument is not specified.
	Init	Initializes the object given a primary set of geographic transformation operators (GT + direction). Previously installed geotransformation methods are removed from the system.
	Install	Sets the system default geographic transformation on the primary operation set if missing.
	RemoveAll	All previously installed geotransformation methods are removed from the system.
	Set	Sets the system default geographic transformation on the primary operation set if missing.

IGeoTransformationHelper.DefaultTargetCoordinateSystems Property

The collection of ISpatialReference objects used as default target coordinate systems by the 'Install' method if the 'pTargetSR' argument is not specified.

Public Property DefaultTargetCoordinateSystems As IArray

public IArray DefaultTargetCoordinateSystems {get; set;}

IGeoTransformationHelper.Init Method

Initializes the object given a primary set of geographic transformation operators (GT + direction). Previously installed geotransformation methods are removed from the system.

Public Sub Init ( _
    ByVal pGTs As IGeoTransformationOperationSet, _
    ByVal pCompositionGCS As IGeographicCoordinateSystem _
)

public void Init (
    IGeoTransformationOperationSet pGTs,
    IGeographicCoordinateSystem pCompositionGCS
);

IGeoTransformationHelper.Install Method

Sets the system default geographic transformation on the primary operation set if missing.

Public Sub Install ( _
    ByVal pSourceSR As ISpatialReference, _
    ByVal pTargetSR As ISpatialReference, _
    ByVal bAddNew As Boolean _
)

public void Install (
    ISpatialReference pSourceSR,
    ISpatialReference pTargetSR,
    bool bAddNew
);

IGeoTransformationHelper.RemoveAll Method

All previously installed geotransformation methods are removed from the system.

Public Sub RemoveAll ( _
)

public void RemoveAll (
);

IGeoTransformationHelper.Set Method

Sets the system default geographic transformation on the primary operation set if missing.

Public Sub Set ( _
    ByVal direction As esriTransformDirection, _
    ByVal pGT As IGeoTransformation, _
    ByVal bAddNew As Boolean _
)

public void Set (
    esriTransformDirection direction,
    IGeoTransformation pGT,
    bool bAddNew
);

Classes that implement IGeoTransformationHelper

Classes	Description
GeoTransformationHelper	The geograpgic transformation (datum conversion) helper class.