This structure contains fields for the MCI_OPEN message for digital video devices.
typedef struct _MCI_VID_OPEN_PARMS { HWND hwndCallback; /* Window handle. */ USHORT usDeviceID; /* Device ID. */ USHORT usReserved0; /* Reserved. */ PSZ pszDeviceType; /* Device type. */ PSZ pszElementName; /* Media element name or NULL. */ PSZ pszAlias; /* Optional device alias. */ HWND hwndParent; /* Parent window handle. */ } MCI_VID_OPEN_PARMS; typedef MCI _ VID _ OPEN _ PARMS * PMCI _ VID _ OPEN _ PARMS ;