The IDirectMusicStyle::GetTimeSignature method retrieves the style's time signature.
HRESULT GetTimeSignature(
  DMUS_TIMESIGNATURE* pTimeSig
);
 If the method succeeds, the return value is S_OK.
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.