Public Function NewOnCentralBody( _
    ByVal EClassType As AgESTKObjectType, _
    ByVal InstName As String, _
    ByVal CentralBodyName As String _
) As 

public IAgStkObject NewOnCentralBody(
    AgESTKObjectType EClassType,
    string InstName,
    string CentralBodyName
);

public: IAgStkObject^ NewOnCentralBody(
    AgESTKObjectType EClassType,
    String __gc ^ InstName,
    String __gc ^ CentralBodyName
);

public IAgStkObject newOnCentralBody(
    AgESTKObjectType EClassType,
    String InstName,
    String CentralBodyName
);

public: HRESULT NewOnCentralBody(
    AgESTKObjectType EClassType,
    BSTR InstName,
    BSTR CentralBodyName,
    IAgStkObject ** ppRetVal
);