The horizontal datum of this geographic coordinate system.
[Visual Basic .NET] Public ReadOnly Property Datum As IDatum
[C#] public IDatum Datum {get;}
[C++]
HRESULT get_Datum(
IDatum** Datum
);
[C++]Parameters
Datum [out, retval]Datum is a parameter of type IDatum
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.
Description
Returns the vertical or horizontal datum of the vertical coordinate system as IHVDatum. QI with IVerticalDatum or IDatum. A vertical datum means that the VCS is gravity-related. A (horizontal) datum means that the VCS is ellipsoid/spheroid-based.