--- Module:   Subclass.cpp
        HookWindow((HWND)NULL);        // unhook window
Subclass.cpp(69): error 1506: (Warning -- Call to virtual function 'CSubclassWnd::HookWindow(struct HWND__ *)' within a constructor or destructor)
}
Subclass.cpp(70): error 1740: (Info -- pointer member 'CSubclassWnd::m_hWnd' (line 73, file ..\Include\Subclass.h) not directly freed or zero'ed by destructor -- Effective C++ #6)
Subclass.cpp(70): error 1740: (Info -- pointer member 'CSubclassWnd::m_pNext' (line 75, file ..\Include\Subclass.h) not directly freed or zero'ed by destructor -- Effective C++ #6)

--- Global Wrap-up

 error 900: (Note -- Successful completion, 3 messages produced)