Re: getting provider list

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: Grant Schenck (schenckg_at_optonline.net)
Date: 10/04/04 

Date: Mon, 4 Oct 2004 11:35:15 -0400

If you are willing to open the line then you can call
lineGetID(..."tapi/providerID") to retrieve the permanent provider ID
of a specific line. This will allow you to determine which TSP
retrieved from lineGetProviderList() is hosting the specific line and
to display the provider string for a given provider. 

--
Grant Schenck
Grant Schenck Software
schenckg@optonline.net
http://grantschenck.tripod.com
"Andreas Marschall [MVP TAPI]" <Andreas.Marschall@I-B-A-M.de> wrote in
message news:eMXlPYTqEHA.596@TK2MSFTNGP11.phx.gbl...
> "Luis Miguel" <lm.rodriguez@ya.com> schrieb im Newsbeitrag
> news:91cf1627.0410030223.14e36e16@posting.google.com...
> > I'm trying to get the string providers list as show the Windows
> > Control Panel. Filling a LINEPROVIDERLIST structure I can get the
> > dwPermanentProviderID, dwProviderFilenameSize,
> > dwProviderFilenameOffset fields of each LINEPROVIDERENTRY entry,
but
> > it doesn't cointain the provider string name as in  LINEDEVCAPS
> > structure (dwProviderInfoSize-dwProviderInfoOffset) associated to
a
> > line.
> >
> > How could I get a string list of all provider installed ?
>
> Luis Miguel,
> you are correct in your observation that LINEPROVIDERLIST doesn't
contain this
> information.
> Via TAPI it is only possible to access this info for available
devices via
> LINEDEVCAPS or PHONECAPS (as you have already mentioned).
> If you want to get the info for all installed providers (whether
they actually
> expose any devices or not) I see no other option than accessing the
TSP file
> info directly.
> It is in the TSP file's VS_VERSION_INFO resource located in string
> FileDescription.
> See MSDN for details about: GetFileVersionInfoSize(),
GetFileVersionInfo(),
> and VerQueryValue().
>
> --
> Best Regards
> Andreas Marschall
> Microsoft MVP for TAPI / Windows SDK
> TAPI / TSP Developer and Tester
> http://www.I-B-A-M.de/Andreas_Marschall's_TAPI_and_TSPI_FAQ.htm
> * Please post all messages and replies to the newsgroup so all may
> * benefit from the discussion.  Private mail is usually not replied
to.
> * This posting is provided "AS IS" with no warranties, and confers
no rights.
>
>
>

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