I think you'd better post your question in the MSDN Forums at the following web address
http://social.msdn.microsoft.com/Forums/en-US/categories
providing more details about what you're trying to do and the development technoglogies (programming language and other stuff) you're using, so it will be easier for you to obtain a complete and appropriate answer.
Bye.
Luigi Bruno - Microsoft Community Contributor 2011 Award
