Re: getting provider list

From: Luis Miguel (lm.rodriguez_at_ya.com)
Date: 10/06/04 

Date: 6 Oct 2004 00:45:12 -0700

Grant,
I know lineGetID call, but I need to know the string names of all TSP installed
on the system before opens any line.
Andreas solved my problem.

Thanks. 

----
Luis Miguel Rodriguez
Polytechnic University of Cartagena
Spain
"Grant Schenck" <schenckg@optonline.net> wrote in message news:<ub$GFfiqEHA.2588@TK2MSFTNGP12.phx.gbl>...
> 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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