This structure contains information used with a MMIOM_MULTITRACKWRITE message.
typedef struct _MMMULTITRACKWRITE { ULONG ulNumTracks; /* Number of track entries. */ PTRACKMAP pTrackMapList; /* Pointer to TRACKMAP. */ ULONG ulFlags; /* Flags. */ ULONG ulReserved; /* Reserved. */ } MMMULTITRACKWRITE; typedef MMMULTITRACKWRITE * PMMMULTITRACKWRITE ;