success = SaveDTObjectA( o, win, req, file, mode, saveicon, attrs );
ULONG SaveDTObjectA( Object *,
struct Window *,
struct Requester *,
STRPTR, ULONG, BOOL,
struct TagItem * );
success = SaveDTObject( o, win, req, file, mode, saveicon, tag1,
ULONG SaveDTObject( Object *,
struct Window *,
struct Requester *,
STRPTR, ULONG, BOOL, Tag, ... );