lineGetAgentStatus
The lineGetAgentStatus
function obtains the agent-related status on the specified address.
LONG lineGetAgentStatus(
HLINE hLine, |
|
DWORD dwAddressID, |
|
LPLINEAGENTSTATUS lpAgentStatus |
|
); |
|
Parameters
hLine
A handle to
the open line device.
dwAddressID
The address
on the open line device whose agent status is to be queried.
lpAgentStatus
A pointer to
a variably sized structure of type LINEAGENTSTATUS. Upon successful
completion of the request, this structure is filled with agent status
information. Prior to calling lineGetAgentStatus, the application should
set the dwTotalSize field of this structure to indicate the amount of
memory available to TAPI for returning information.
Return Values
Returns a
positive request identifier if the asynchronous operation starts; otherwise,
one of these negative error values:
LINEERR_INVALADDRESSID,
LINEERR_INVALLINEHANDLE, LINEERR_INVALPOINTER, LINEERR_NOMEM,
LINEERR_OPERATIONFAILED, LINEERR_OPERATIONUNAVAIL, LINEERR_RESOURCEUNAVAIL,
LINEERR_STRUCTURETOOSMALL, LINEERR_UNINITIALIZED.
See Also