advancedmath.h

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//
// AdvancedMath.h : Declaration of the CAdvancedMath
//

#ifndef __ADVANCEDMATH_H_
#define __ADVANCEDMATH_H_

#include "resource.h"       // main symbols

// Include the CLSID and IID of the inner component
#include "..\Chapter5_Simple\Chapter5_Simple_i.c"

/////////////////////////////////////////////////////////////////////////////
// CAdvancedMath
class ATL_NO_VTABLE CAdvancedMath : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CAdvancedMath, &CLSID_AdvancedMath>,
	public IAdvancedMath
{
public:
   CAdvancedMath() : m_pSimpleUnknown( 0 )
   {
	}

   DECLARE_GET_CONTROLLING_UNKNOWN()
   HRESULT FinalConstruct()
   {
      HRESULT hr;

      hr = CoCreateInstance( CLSID_SimpleMath,
                             GetControllingUnknown(),
                             CLSCTX_INPROC_SERVER,
                             IID_IUnknown,
                             (void**) &m_pSimpleUnknown );
        
      return hr;
   }

   void FinalRelease()
   {
      if ( m_pSimpleUnknown )
         m_pSimpleUnknown->Release();
   }

DECLARE_REGISTRY_RESOURCEID(IDR_ADVANCEDMATH)

BEGIN_COM_MAP(CAdvancedMath)
	COM_INTERFACE_ENTRY(IAdvancedMath)
   COM_INTERFACE_ENTRY_AGGREGATE( IID_IMath, m_pSimpleUnknown )
END_COM_MAP()

private:
   IUnknown* m_pSimpleUnknown;

// IAdvancedMath
public:
	STDMETHOD(Fibonacci)( short sOp, long* plResult );
	STDMETHOD(Factorial)( short sOp, long* plResult );
};

#endif //__ADVANCEDMATH_H_