The IDirectMusicStyle::GetDefaultChordMap method retrieves the style's default chordmap.
HRESULT GetDefaultChordMap(
  IDirectMusicChordMap** ppChordMap
);
 If the method succeeds, the return value is S_OK if a chordmap is returned, or S_FALSE if the style does not have a default chordmap.
If the method fails, the return value may be 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.