capStatusCallback
The capStatusCallback
function is the status callback function used with video capture. The capStatusCallback
status callback function is a placeholder for the application-supplied function
name.
LRESULT CALLBACK capStatusCallback(
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HWND hWnd, |
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int nID, |
|
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LPCSTR lpsz |
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); |
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Parameters
hWnd
Handle of the
capture window associated with the callback function.
nID
Message
identification number.
lpsz
Address of a
textual description of the returned status.
Remarks
During
capture operations, the first message sent to the callback function is always
IDS_CAP_BEGIN and the last is always IDS_CAP_END. A message identifier of zero
indicates a new operation is starting and the callback function should clear
the current status.