typedef struct tagNMOBJECTNOTIFY {
    NMHDR   hdr;
    int     iItem;
#ifdef __IID_DEFINED__
    const IID *piid;
#else
    const void *piid;
#endif
    void *pObject;
    HRESULT hResult;
    DWORD dwFlags;    
} NMOBJECTNOTIFY, *LPNMOBJECTNOTIFY;