This structure contains parameters for the MCI_GETDEVCAPS message.
typedef struct _MCI_AMP_GETDEVCAPS_PARMS {
HWND hwndCallback; /* Window handle. */
ULONG ulReturn; /* Return field. */
ULONG ulItem; /* Not used. */
USHORT usMessage; /* Message to query. */
USHORT usReserved0; /* Reserved field. */
ULONG ulLength; /* Length of structure. */
ULONG ulValue; /* Value to determine capabilities. */
ULONG ulAttribute; /* Flags modifying extended parms. */
ULONG ulExtended; /* Flags. */
} MCI_AMP_GETDEVCAPS_PARMS;
typedef MCI _ AMP _ GETDEVCAPS _ PARMS * PMCI _ AMP _ GETDEVCAPS _ PARMS ;