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lineGetProxyStatus function (tapi.h)

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The lineGetProxyStatus function returns a list of proxy request types that are currently being serviced for the specified device.

Syntax

LONG lineGetProxyStatus(
  HLINEAPP               hLineApp,
  DWORD                  dwDeviceID,
  DWORD                  dwAppAPIVersion,
  LPLINEPROXYREQUESTLIST lpLineProxyReqestList
);

Parameters

hLineApp

Handle to the application's registration with TAPI.

dwDeviceID

Line device to be queried.

dwAppAPIVersion

Version number of TAPI to be used.

lpLineProxyReqestList

Pointer to a variably sized structure of type LINEPROXYREQUESTLIST. Upon successful completion of the request, this structure is filled with a list of the currently supported proxy requests. Prior to calling lineGetProxyStatus, the application must set the dwTotalSize member of this structure to indicate the amount of memory available to TAPI for returning information.

Note  If the size parameters in the structure are not correct, there is a possibility that data could get overwritten. For more information on setting structure sizes, see the memory allocation topic.
 

Return value

Returns zero if the request succeeds; otherwise, the function returns one of the following negative error values:

LINEERR_BADDEVICEID, LINEERR_INCOMPATIBLEAPIVERSION, LINEERR_INVALPARAM, LINEERR_NOMEM, LINEERR_OPERATIONFAILED, LINEERR_OPERATIONUNAVAIL, LINEERR_RESOURCEUNAVAIL, LINEERR_UNINITIALIZED.

Requirements

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

See also

About Call Center Controls

LINEPROXYREQUESTLIST