class CCifGroup : public ICifGroup, public CCifEntry
{
   public:
      CCifGroup(LPCSTR pszID, UINT uGrpNum, CCifFile *);
      ~CCifGroup();
      
      // ICifGroup interface
        // for properties
      STDMETHOD(GetID)(LPSTR pszID, DWORD dwSize);
      STDMETHOD(GetDescription)(LPSTR pszDesc, DWORD dwSize);
      STDMETHOD_(DWORD, GetPriority)();
  
      STDMETHOD(EnumComponents)(IEnumCifComponents **, DWORD dwFilter, LPVOID pv);

      // access to state
      STDMETHOD_(DWORD, GetInstallQueueState)();
      STDMETHOD_(DWORD, GetCurrentPriority)();

   protected:
      UINT            _uGrpNum;
};

class CCifRWGroup : public ICifRWGroup, public CCifGroup
{
   public:
      CCifRWGroup(LPCSTR pszID, UINT uGrpNum, CCifFile *);
      ~CCifRWGroup();

      // ICifGroup interface
      // for properties
      STDMETHOD(GetID)(LPSTR pszID, DWORD dwSize);
      STDMETHOD(GetDescription)(LPSTR pszDesc, DWORD dwSize);
      STDMETHOD_(DWORD, GetPriority)();
      STDMETHOD(EnumComponents)(IEnumCifComponents **, DWORD dwFilter, LPVOID pv);
      // access to state
      STDMETHOD_(DWORD, GetCurrentPriority)();
      
      STDMETHOD(SetDescription)(THIS_ LPCSTR pszDesc);
      STDMETHOD(SetPriority)(THIS_ DWORD);
      STDMETHOD(SetDetails)(THIS_ LPCSTR pszDetails);
};