lineGetAddressStatus function (tapi.h)
The lineGetAddressStatus function allows an application to query the specified address for its current status.
Syntax
LONG lineGetAddressStatus(
HLINE hLine,
DWORD dwAddressID,
LPLINEADDRESSSTATUS lpAddressStatus
);
Parameters
hLine
Handle to the open line device.
dwAddressID
Address on the given open line device. This is the address to be queried. An address identifier is permanently associated with an address; the identifier remains constant across operating system upgrades.
lpAddressStatus
Pointer to a variably sized data structure of type LINEADDRESSSTATUS. Prior to calling lineGetAddressStatus, the application must set the dwTotalSize member of this structure to indicate the amount of memory available to TAPI for returning information.
Return value
Returns zero if the request succeeds or a negative error number if an error occurs. Possible return values are:
LINEERR_INVALADDRESSID, LINEERR_RESOURCEUNAVAIL, LINEERR_INVALLINEHANDLE, LINEERR_STRUCTURETOOSMALL, LINEERR_INVALPOINTER, LINEERR_UNINITIALIZED, LINEERR_NOMEM, LINEERR_OPERATIONUNAVAIL, LINEERR_OPERATIONFAILED.
Requirements
Requirement | Value |
---|---|
Target Platform | Windows |
Header | tapi.h |
Library | Tapi32.lib |
DLL | Tapi32.dll |
See also
Feedback
https://aka.ms/ContentUserFeedback.
Coming soon: Throughout 2024 we will be phasing out GitHub Issues as the feedback mechanism for content and replacing it with a new feedback system. For more information see:Submit and view feedback for