The factory code (WKID) of the spatial reference.
[Visual Basic .NET] Public ReadOnly Property FactoryCode As Integer
[C#] public int FactoryCode {get;}
[C++]
HRESULT get_FactoryCode(
long* Code
);
[C++]Parameters
Code [out, retval] Code is a parameter of type long
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.
Remarks
The factory code is an integer identifier that is unique by projection engine object type, such as a projected coordinate system. You can use a factory code in the ISpatialReferenceFactory::CreateProjectedCoordinateSystem method for example. If you create a custom projected coordinate system, the factory code is zero.