WM_CAP_SINGLE_FRAME_OPEN message
The WM_CAP_SINGLE_FRAME_OPEN message opens the capture file for single-frame capturing. Any previous information in the capture file is overwritten. You can send this message explicitly or by using the capCaptureSingleFrameOpen macro.
WM_CAP_SINGLE_FRAME_OPEN
wParam = (WPARAM) 0;
lParam = 0L;
Return Value
Returns TRUE if successful or FALSE otherwise.
Remarks
For information about installing callback functions, see the WM_CAP_SET_CALLBACK_ERROR and WM_CAP_SET_CALLBACK_FRAME messages.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|