C++ DLL in Delphi einbinden

[Razor03]

Die cpp Datei habe ich natürlich auch. Nur kann ich wie gesagt nicht viel damit anfangen
Der Rest steht oben

Code:

PseudoDB* CreatePsuedoDB()
{
   return (PseudoDB*)new CPseudoDB;
}

int PseudoDB_LoadFromUSBRoot(PseudoDB* pDB,const wchar_t* sRoot)
{
   CPseudoDB* pObj=(CPseudoDB*)pDB;

   return pObj->loadFromUSBRoot(sRoot) ? 1 : 0;
} 

void PseudoDB_Destroy(PseudoDB* pDB)
{
   CPseudoDB* pObj=(CPseudoDB*)pDB;

   delete pObj;
}

class CPseudoDB
{
public:
   CPseudoDB();
   ~CPseudoDB();

   bool loadFromUSBRoot(const wchar_t* sIPodRoot);
   bool loadFile(const wchar_t* sFilename);


   int newTrackID();

   bool findIPods();
   int getIPodCount();
   const wchar_t* getUSBRoot(int index);

   Track* newTrack();   
   static void freeTrack(Track* pTrack);

   Playlist* newPlaylist();
   static void freePlaylist(Playlist* pList);

   static void setString(gunichar2*& rpString,const gunichar2* sVal);

   static void itunesdb_convert_filename_fs2ipod (wchar_t* ipod_file);
   static void itunesdb_convert_filename_ipod2fs (wchar_t* ipod_file);
   static wchar_t *itunesdb_get_track_name_on_ipod (const wchar_t*path, Track *s);

protected:   
   void itunesdb_rename_files (const wchar_t*dirname);
   gboolean itunesdb_copy_track_to_ipod (const wchar_t*path, Track *track,
                    const wchar_t*pcfile);   
   gboolean itunesdb_cp (const wchar_t*from_file, const wchar_t*to_file);
   guint32 itunesdb_time_get_mac_time (void);   
   Track *itunesdb_new_track (void);
   time_t itunesdb_time_mac_to_host (guint32 mactime);
   guint32 itunesdb_time_host_to_mac (time_t time);

   /* structure to hold the contents of one entry of the Play Count file */
   typedef struct _playcount {
      guint32 playcount;
      guint32 time_played;
      gint32 rating;
   } playcount;

   gunichar2 * get_mhod (FILE *file, glong seek, gint32 *ml, gint32 *mty);
   glong get_pl(FILE *file, glong seek);
   glong get_mhit(FILE *file, glong seek);
   playcount *get_next_playcount (void);
   void reset_playcounts (void);
   void init_playcounts (const wchar_t*dirname);
   gboolean process_OTG_file (const wchar_t*filename,
              const wchar_t*plname);
   void read_OTG_playlists (const wchar_t*dirname);
   void mk_mhbd (FILE *file);
   void fix_mhbd (FILE *file, glong mhbd_seek, glong cur);
   void mk_mhsd (FILE *file, guint32 type);
   void fix_mhsd (FILE *file, glong mhsd_seek, glong cur);
   void mk_mhlt (FILE *file, guint32 track_num);
   void mk_mhit (FILE *file, Track *track);
   void fix_mhit (FILE *file, glong mhit_seek, glong cur, gint mhod_num);
   void mk_mhod (FILE *file, guint32 type,
           gunichar2 *string, guint32 fqid);
   void mk_mhlp (FILE *file, guint32 lists);
   void fix_mhlp (FILE *file, glong mhlp_seek, gint playlist_num);
   void mk_weired (FILE *file);
   void mk_mhyp (FILE *file, gunichar2 *listname,
           guint32 type, guint32 track_num);
   void fix_mhyp (FILE *file, glong mhyp_seek, glong cur);
   void mk_mhip (FILE *file, guint32 id);
   void write_mhsd_one(FILE *file);
   void write_playlist(FILE *file, Playlist *pl);
   void write_mhsd_two(FILE *file);
   gboolean write_it (FILE *file);


   gboolean it_add_track (Track *track);
   Playlist* it_add_playlist(Playlist *plitem);
   void it_add_trackid_to_playlist (Playlist* plitem, guint32 id);
   guint it_get_nr_of_tracks (void);
   Track *it_get_track_by_nr (guint32 n);
   guint32 it_get_nr_of_playlists (void);
   Playlist *it_get_playlist_by_nr (guint32 n);
   guint32 it_get_nr_of_tracks_in_playlist (Playlist *plitem);
   guint32 it_get_trackid_in_playlist_by_nr (Playlist *plitem, guint32 n);

   bool isIPodRoot(const wchar_t* sRoot);
   void clearIPodRoots();


   GList *CPseudoDB::playcounts;
   guint32 *CPseudoDB::mpl_ids;
   guint32 CPseudoDB::mpl_length;


   std::vector<Track*> m_aTracks;
   std::vector<Playlist*> m_aPlaylists;

   std::vector<wchar_t*> m_aIPodRoots;

   int m_NextTrackID;
};