Public Sub IncidentDirectionVecInBodyPosPartials( _
   ByRef DirXwrtX As Double, _
   ByRef DirXwrtY As Double, _
   ByRef DirXwrtZ As Double, _
   ByRef DirYwrtX As Double, _
   ByRef DirYwrtY As Double, _
   ByRef DirYwrtZ As Double, _
   ByRef DirZwrtX As Double, _
   ByRef DirZwrtY As Double, _
   ByRef DirZwrtZ As Double _
) 

public void IncidentDirectionVecInBodyPosPartials(

   ref double DirXwrtX, 

   ref double DirXwrtY, 

   ref double DirXwrtZ, 

   ref double DirYwrtX, 

   ref double DirYwrtY, 

   ref double DirYwrtZ, 

   ref double DirZwrtX, 

   ref double DirZwrtY, 

   ref double DirZwrtZ

);

public: void IncidentDirectionVecInBodyPosPartials(

   double ^ DirXwrtX, 

   double ^ DirXwrtY, 

   double ^ DirXwrtZ, 

   double ^ DirYwrtX, 

   double ^ DirYwrtY, 

   double ^ DirYwrtZ, 

   double ^ DirZwrtX, 

   double ^ DirZwrtY, 

   double ^ DirZwrtZ

);

public  incidentDirectionVecInBodyPosPartials(

   double DirXwrtX, 

   double DirXwrtY, 

   double DirXwrtZ, 

   double DirYwrtX, 

   double DirYwrtY, 

   double DirYwrtZ, 

   double DirZwrtX, 

   double DirZwrtY, 

   double DirZwrtZ

);

public: HRESULT IncidentDirectionVecInBodyPosPartials(

   double * DirXwrtX, 

   double * DirXwrtY, 

   double * DirXwrtZ, 

   double * DirYwrtX, 

   double * DirYwrtY, 

   double * DirYwrtZ, 

   double * DirZwrtX, 

   double * DirZwrtY, 

   double * DirZwrtZ

);