Public Function GetTerrainHeightForLatLon( _
    ByVal latitude As Double, _
    ByVal longitude As Double, _
    ByVal interpMethod As AgEStkRadarTerrainInterpMethod _
) As Double

public double GetTerrainHeightForLatLon(
    double latitude,
    double longitude,
    AgEStkRadarTerrainInterpMethod interpMethod
);

public: double GetTerrainHeightForLatLon(
    double latitude,
    double longitude,
    AgEStkRadarTerrainInterpMethod interpMethod
);

public: HRESULT GetTerrainHeightForLatLon(
    double latitude,
    double longitude,
    AgEStkRadarTerrainInterpMethod interpMethod,
    double * pTerrainHeight
);

public double getTerrainHeightForLatLon(
    double latitude,
    double longitude,
    AgEStkRadarTerrainInterpMethod interpMethod
);