C / C++ / MFC

class classA
{
    typedef struct tagBATCHMAP
    {
        DWORD        VertexType;
        DWORD_PTR    Texture;
        classB*      Batch;
        UINT         RefCount;
    } BATCHMAP, *LPBATCHMAP;
 
public:
    static void    DeleteAll         ( void );
    static void    CollectGarbage    ( void );
 
protected:
    classA                           ( void );
    virtual ~classA                  ( void );
 
    bool           AddBatch          ( DWORD dwType, DWORD_PTR dwpTexture );
    UINT           Release           ( void );
 
private:
    bool           CreateInstance    ( DWORD dwType, DWORD_PTR dwpTexture );
 
private:
    static std::list< LPBATCHMAP >   s_InstanceMap;
 
    LPBATCHMAP                       m_BatchMap;
};