lineUncompleteCall

The lineUncompleteCall function cancels the specified call completion request on the specified line.

LONG lineUncompleteCall(
  HLINE hLine,          
  DWORD dwCompletionID  
);
 

Parameters

hLine

A handle to the line device on which a call completion is to be canceled.

dwCompletionID

The completion identifier for the request that is to be canceled.

Return Values

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.

QuickInfo

  Version: Use TAPI version 1.4 and later.
  Header: Declared in tapi.h.
  Import Library: Link with tapi32.lib.

See Also

TAPI Reference Overview, Supplementary Line Services Functions, LINE_REPLY