This structure contains fields for the MCI_GETDEVCAPS message.
typedef struct _MCI_GETDEVCAPS_PARMS {
HWND hwndCallback; /* Window handle. */
ULONG ulReturn; /* Return information. */
ULONG ulItem; /* Additional capability. */
USHORT usMessage; /* Message ID. */
USHORT usReserved0; /* Reserved. */
} MCI_GETDEVCAPS_PARMS;
typedef MCI _ GETDEVCAPS _ PARMS * PMCI _ GETDEVCAPS _ PARMS ;