lineGetAddressStatus
The lineGetAddressStatus
function allows an application to query the specified address for its current
status.
LONG lineGetAddressStatus(
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HLINE hLine, |
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DWORD dwAddressID, |
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LPLINEADDRESSSTATUS lpAddressStatus |
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); |
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Parameters
hLine
A handle to
the open line device.
dwAddressID
An address on
the given open line device. This is the address to be queried.
lpAddressStatus
A pointer to
a variably sized data structure of type LINEADDRESSSTATUS. Prior to
calling lineGetAddressStatus, 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 zero
if the request is successful or a negative error number if an error has
occurred. Possible return values are:
LINEERR_INVALADDRESSID,
LINEERR_RESOURCEUNAVAIL, LINEERR_INVALLINEHANDLE, LINEERR_STRUCTURETOOSMALL, LINEERR_INVALPOINTER,
LINEERR_UNINITIALIZED, LINEERR_NOMEM, LINEERR_OPERATIONUNAVAIL,
LINEERR_OPERATIONFAILED.
See Also