The DMUS_IO_STYLE structure contains information about the time signature and tempo of a style. It is used in the Style Form.
typedef struct _DMUS_IO_STYLE {
    DMUS_IO_TIMESIG  timeSig;
    double           dblTempo; 
} DMUS_IO_STYLE;
   Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Header: Declared in dmusicf.h.