Handle(HYDROData_Region) aNewRegion =
Handle(HYDROData_Region)::DownCast( HYDROData_Iterator::CreateObject( aNewLab, KIND_REGION ) );
Handle(HYDROData_Region) aNewRegion =
Handle(HYDROData_Region)::DownCast( HYDROData_Iterator::CreateObject( aNewLab, KIND_REGION ) );