MCI_VD_STEP_PARMS

The MCI_VD_STEP_PARMS structure contains information for the MCI_STEP command for videodisc devices.

typedef struct {
    DWORD dwCallback; 
    DWORD dwFrames; 
} MCI_VD_STEP_PARMS;
 

dwCallback

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

dwFrames

Number of frames to step.

Remarks

When assigning data to the members of this structure, set the corresponding flags in the fdwCommand parameter of the mciSendCommand function to validate the members.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in mmsystem.h.

See Also

MCI Overview, MCI Structures, MCI_STEP, mciSendCommand