Public Function Altitude( _
    ByVal AltRef As AgEAltitudeReference _
) As Double

public double Altitude(
    AgEAltitudeReference AltRef
);

public: double Altitude(
    AgEAltitudeReference AltRef
);

public: HRESULT Altitude(
    AgEAltitudeReference AltRef,
    double * pAltitude
);

public double altitude(
    AgEAltitudeReference AltRef
);

def Altitude(self, AltRef:"AgEAltitudeReference") -> float: