lineGetAddressStatus

This function allows an application to query the specified address for its current status.

Note This function is for TAPI version 2.0 and later.

LONG WINAPI lineGetAddressStatus(
  HLINE hLine,
  DWORD dwAddressID,
  LPLINEADDRESSSTATUS lpAddressStatus 
);

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 should set the dwTotalSize member of this structure to indicate the amount of memory available to TAPI for returning information.

Returns zero if the request succeeds or a negative error number if an error occurs. The following table shows the return values for this function.

Value	Description
LINEERR_INVALADDRESSID	The address identifier is invalid.
LINEERR_RESOURCEUNAVAIL	The resources are unavailable.
LINEERR_INVALLINEHANDLE	The handle to the open line device is invalid.
LINEERR_STRUCTURETOOSMALL	The structure is too small.
LINEERR_INVALPOINTER	The pointer is invalid.
LINEERR_UNINITIALIZED	A parameter is uninitialized.
LINEERR_NOMEM	Not enough memory is available.
LINEERR_OPERATIONUNAVAIL	The operation is unavailable.
LINEERR_OPERATIONFAILED	The operation failed.

OS Versions: Windows CE 1.0 and later.
Header: Tapi.h.
Link Library: Coredll.lib.

Last updated on Saturday, April 10, 2004

Ressources supplémentaires