The MCI_VD_PLAY_PARMS structure contains parameters for the MCI_PLAY message for videodiscs. When assigning data to the fields in this data structure, set the corresponding MCI flags in the lParam1 parameter of mciSendCommand to validate the fields. You can use the MCI_PLAY_PARMS data structure in place of MCI_VD_PLAY_PARMS if you are not using the extended data fields.
typedef struct {
DWORD dwCallback;
DWORD dwFrom;
DWORD dwTo;
DWORD dwSpeed;
} MCI_VD_PLAY_PARMS;
The MCI_VD_PLAY_PARMS structure has the following fields:
dwCallback
The low-order word specifies a window handle used for the MCI_NOTIFY flag.
dwFrom
Specifies the position to play from.
dwTo
Specifies the position to play to.
dwSpeed
Specifies the playing speed in frames per second.