This structure contains fields for the MCI_SET message for videodiscs.
typedef struct _MCI_VD_SET_PARMS { HWND hwndCallback; /* Window handle. */ ULONG ulTimeFormat; /* Device time format. */ ULONG ulSpeedFormat; /* Device speed format. */ ULONG ulAudio; /* Channel number. */ ULONG ulLevel; /* Volume as percent. */ ULONG ulOver; /* Delay time. */ ULONG ulItem; /* Item field. */ ULONG ulValue; /* Value associated with item flag. */ ULONG ulChannel; /* The videodisc channel. */ } MCI_VD_SET_PARMS; typedef MCI _ VD _ SET _ PARMS * PMCI _ VD _ SET _ PARMS ;