WM_CAP_SET_CALLBACK_STATUS
The WM_CAP_SET_CALLBACK_STATUS
message sets a status callback function in the application. AVICap calls this
procedure whenever the capture window status changes. You can send this message
explicitly or by using the capSetCallbackOnStatus macro.
WM_CAP_SET_CALLBACK_STATUS
wParam = (WPARAM) 0;
lParam = (LPARAM) (LPVOID) (fpProc);
Parameters
fpProc
Address of
the status callback function. Specify NULL for this parameter to disable a
previously installed status callback function.
Return Values
Returns TRUE
if successful or FALSE if streaming capture or a single-frame capture sesion is
in progress.
Remarks
Applications
can optionally set a status callback function. If set, AVICap calls this
procedure in the following situations:
A capture session is completed.
A capture driver successfully
connected to a capture window.
An optimal palette is created.
The number of captured frames
is reported.
See Also