No. It is not possible to add a class library directly to the BizTalk Project. Why would you want to do so?
We have to clarify this one a bit.
To answer your specific question, no. You cannot create a C# class file directly in a BizTalk project.
However, you can add a C# class file to a BizTalk project.
- Proposed as answer by boatseller Monday, January 13, 2014 1:02 PM