template <class T>
class CProxy_IChildEvents : public IConnectionPointImpl<T, &DIID__IChildEvents, CComDynamicUnkArray>
{
	//Warning this class may be recreated by the wizard.
public:
 	HRESULT Event_Alert(BSTR msg)
	{
		 ....
		 ....
		 ....

		return varResult.scode;
	}
};
#endif

class ATL_NO_VTABLE CCoEngine : 
	public CComObjectRootEx<CComSingleThreadModel>,
	public CComCoClass<CCoEngine, &CLSID_CoEngine>,
	public IConnectionPointContainerImpl<CCoEngine>,
	public IDispatchImpl<IChild, &IID_IChild, &LIBID_JIT64Lib>,
	public CProxy_IChildEvents< CCoEngine >
{
public:
	CCoEngine()
	{
		// Init the private data.
		m_bstrName = L"";
		m_bstrMessage = L"";
		m_Age = L"";
  

	}

 


DECLARE_REGISTRY_RESOURCEID(IDR_COSTATS)

DECLARE_PROTECT_FINAL_CONSTRUCT()

BEGIN_COM_MAP(CCoEngine)
	COM_INTERFACE_ENTRY(IChild)
	COM_INTERFACE_ENTRY(IDispatch)
	COM_INTERFACE_ENTRY(IConnectionPointContainer)
	COM_INTERFACE_ENTRY_IMPL(IConnectionPointContainer)
END_COM_MAP()


BEGIN_CONNECTION_POINT_MAP(CCoEngine)
	// This is incorrect... 
	// CONNECTION_POINT_ENTRY(IID__IChildEvents)
	CONNECTION_POINT_ENTRY(DIID__IChildEvents)
END_CONNECTION_POINT_MAP()


// IChild
public:
	
	typedef HRESULT(CProxy_IChildEvents<CCoEngine>::*fn)(BSTR str);
	static  fn functionPtr;

private:
	void GetAMessage();
	CComBSTR m_bstrMessage;
	CComBSTR m_Age;
	CComBSTR m_bstrName;
};

CCoEngine::fn  CCoEngine::functionPtr  = &CProxy_IChildEvents::Event_Alert;

static int dll_event (HANDLE *h) {
{
 
  ... 
  как отсюда вызвать Event_Alert?

}


STDMETHODIMP CCoEngine::message()
{   
     ...	
     push_callback_function(hwnd, (callback_function)dll_event , 2);

	return S_OK;
}