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 |