Sharing code between 2 projects without a dll

Question

How can I have code-sharing between two projects without making a dll?

The issue is: I have a tool that syncs users & groups from LDAP to a database.

Now

Answer 1

You can add a file to a project as a link. On the Add Existing Item dialogue the Add button has a drop down on its right. Use this to select "Add as Link":

Put the file as a solution item and add as a link to each project.