MCI_DGV_SIGNAL_PARMS

The MCI_DGV_SIGNAL_PARMS structure contains parameters for the MCI_SIGNAL message for digital-video devices. When assigning data to its fields, set the corresponding MCI flags in the lParam1 parameter of mciSendCommand to validate the fields.

typedef struct {

DWORD dwCallback;

DWORD dwPosition;

DWORD dwPeriod;

DWORD dwUserParm;

} MCI_DGV_SIGNAL_PARMS;

Fields

dwCallback

The low-order word specifies a window handle used for the MCI_NOTIFY flag.

dwPosition

Specifies the position to be marked.

dwPeriod

Specifies the interval of the position marks.

dwUserParm

Specifies a value associated with the signals being set.

See Also

MCI_SIGNAL