You can email msscci@microsoft.com to request the documentation and headers for the Microsoft Source Code Control Integration APIs. They will soon be available from the Visual Studio Integration Program (VSIP) SDK, currently in beta. More info at http://vsipdev.com/.

In the meantime there isn't anything publicly available for connecting the two because MSSCCI has been released only under non-disclosure agreement (NDA) and the GPL restrictions on CVS require the open sourcing of code used (which can't be done due to the NDA). I don't think it will be an issue after the VSIP SDK is released (it will also be free).
 I am gonna to use CVS as Source Code Control program with VS.NET. Does anyone has such experience on using that as I don't konw how to connect and what softwares need in order to use???

 Million Thanks..

 Eric

You can use a CVS plugin for VS.Net.  I know of two:

    http://www.jalindi.com/igloo/        Free
    http://www.pushok.com/soft_cvs.php    Pay, but has more features.

-D. Bron