This structure contains fields for the MCI_SYSINFO message for setting and querying device-specific fields.
typedef struct _MCI_SYSINFO_DEVPARAMS { CHAR szInstallName[MAX_DEVICE_NAME]; /* Install Name. */ CHAR szDevParams[MAX_DEV_PARAMS]; /* Device-specific fields. */ } MCI_SYSINFO_DEVPARAMS; typedef MCI _ SYSINFO _ DEVPARAMS * PMCI _ SYSINFO _ DEVPARAMS ;