The IDirectMusicStyle::GetChordMap method retrieves a named chordmap.
HRESULT GetChordMap(
  WCHAR* pwszName,
  IDirectMusicChordMap** ppChordMap
);
 If the method succeeds, the return value is S_OK if a chordmap is returned, or S_FALSE if there is no chordmap by that name.
If ppChordMap is not a valid pointer, the method returns E_POINTER.
  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dmusici.h.