MCI_DGV_SIGNAL_PARMS structure (digitalv.h)

The MCI_DGV_SIGNAL_PARMS structure contains parameters for the MCI_SIGNAL command for digital-video devices.

Syntax

typedef struct {
  DWORD_PTR dwCallback;
  DWORD     dwPosition;
  DWORD     dwPeriod;
  DWORD     dwUserParm;
} MCI_DGV_SIGNAL_PARMS;

Members

dwCallback

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

dwPosition

Position to be marked.

dwPeriod

Interval of the position marks.

dwUserParm

User value associated with signals.

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.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	digitalv.h

See also

MCI

MCI Structures

MCI_SIGNAL

mciSendCommand