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

   
Target Platform Windows
Header tapi.h
Library Tapi32.lib
DLL Tapi32.dll

See also

LINE_REPLY

Supplementary Line Service Functions

TAPI 2.2 Reference Overview