WM_CAP_GRAB_FRAME
The
WM_CAP_GRAB_FRAME message retrieves and displays a single frame from the
capture driver. After capture, overlay and preview are disabled. You can send
this message explicitly or by using the capGrabFrame
WM_CAP_GRAB_FRAME
wParam = (WPARAM)0;
lParam = (LPARAM)0L;
Return Values
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.
See Also