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Posted by Erland Sommarskog on 11/26/07 22:35
(jimshain@gmail.com) writes:
> Since I can call it from a VB program, do you know if I can create a
> new DLL using the VB program and use that to access the needed DLL?
> If not... If I can call my needed DLL from a C/C++ program, can I
> create a new DLL that I could call to get at my needed DLL?
>
> The DLL that I need to call, was bought from a different company, so I
> don't have access to the code.
Yes, you could write one or more extended stored procedures to access
the DLL. Or implement COM methods.
On SQL 2005, you could to a COM-interop and call it from CLR.
Whatever, it's a bit of work, and and if you have errors in your
code that causes access violation, you could crash SQL Server.
To get information about writing extended stored procedures, please
see in Books Online for details. If you have never done it before,
expect at least 50 hours of development.
--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se
Books Online for SQL Server 2005 at
http://www.microsoft.com/technet/prodtechnol/sql/2005/downloads/books.mspx
Books Online for SQL Server 2000 at
http://www.microsoft.com/sql/prodinfo/previousversions/books.mspx
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