lineGetProviderList
The
lineGetProviderList function returns a list of service providers currently installed in the
telephony system.
LONG lineGetProviderList(
DWORD dwAPIVersion,
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|
LPLINEPROVIDERLIST lpProviderList
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);
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Parameters
dwAPIVersion
The highest version of TAPI supported by the application (
not necessarily the value negotiated by
lineNegotiateAPIVersion on some particular line device).
lpProviderList
A pointer to a memory location where TAPI will return a
LINEPROVIDERLIST structure. Prior to calling
lineGetProviderList, 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_INCOMPATIBLEAPIVERSION, LINEERR_NOMEM, LINEERR_INIFILECORRUPT,
LINEERR_OPERATIONFAILED, LINEERR_INVALPOINTER, LINEERR_STRUCTURETOOSMALL.
Remarks
Although this is a new function which older applications would not be expected
to call, for backward compatibility, they should not be prevented from doing
so. The function will work the same way for all applications.
See Also
lineNegotiateAPIVersion,
LINEPROVIDERLIST
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