This structure contains fields for the MCI_GETTOC message.
typedef struct _MCI_TOC_PARMS {
HWND hwndCallback; /* Window handle. */
PTOCREC pBuf; /* Pointer to an array. */
ULONG ulBufSize; /* Size of TOC records array. */
} MCI_TOC_PARMS;
typedef MCI _ TOC _ PARMS * PMCI _ TOC _ PARMS ;