Public Sub ConvertLLAToCBFCartesian( _
   ByVal latitude As Double, _
   ByVal longitude As Double, _
   ByVal altitude As Double, _
   ByRef x As Double, _
   ByRef y As Double, _
   ByRef z As Double _
) 

public void ConvertLLAToCBFCartesian(
   double latitude, 
   double longitude, 
   double altitude, 
   ref double x, 
   ref double y, 
   ref double z
);

public: void ConvertLLAToCBFCartesian(
   double latitude, 
   double longitude, 
   double altitude, 
   double ^ x, 
   double ^ y, 
   double ^ z
);

public  convertLLAToCBFCartesian(
   double latitude, 
   double longitude, 
   double altitude, 
   double x, 
   double y, 
   double z
);

public: HRESULT ConvertLLAToCBFCartesian(
   double latitude, 
   double longitude, 
   double altitude, 
   double * x, 
   double * y, 
   double * z
);