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lineUncompleteCall function (tapi.h)
The lineUncompleteCall function cancels the specified call completion request on the specified line.
Syntax
LONG lineUncompleteCall(
HLINE hLine,
DWORD dwCompletionID
);
Parameters
hLine
Handle to the line device on which a call completion is to be canceled.
dwCompletionID
Completion identifier for the request that is to be canceled.
Return value
Returns a positive request identifier if the function is completed asynchronously, or a negative error number if an error occurs. The dwParam2 parameter of the corresponding LINE_REPLY message is zero if the function succeeds or it is a negative error number if an error occurs. Possible return values are:
LINEERR_INVALLINEHANDLE, LINEERR_OPERATIONFAILED, LINEERR_INVALCOMPLETIONID, LINEERR_RESOURCEUNAVAIL, LINEERR_NOMEM, LINEERR_UNINITIALIZED, LINEERR_OPERATIONUNAVAIL.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | tapi.h |
| Library | Tapi32.lib |
| DLL | Tapi32.dll |
See also
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