Hi Bantar,
This forum is for software developers who are using the Open Protocol Specification documentation to assist them in developing systems, services, and applications that are interoperable with Windows.
The Open Protocol Specifications can be found at:
http://msdn2.microsoft.com/en-us/library/cc203350.aspx.
Since your post does not appear to be related to the Open Protocol Specification documentation set but rather to an implementation question, I suggest you post your question on the following forum:
Visual Studio Tools for Office
http://social.msdn.microsoft.com/Forums/en-US/vsto/threads
Bryan S. Burgin Senior Escalation Engineer Microsoft Protocol Open Specifications Team