How to access dll code in NCover

I have a Nunit tes solution. In this solution I add references of my application source code which are available in .dll form. When I run NCover it gives code overage only for Test solution and not for my appication source code .... How I can access dll"s code through NUnit & NCover..?

RE: How to access dll code in NCover

the code for the dlls won't show up unless your tests call some of the code, and PDBs are available for the dlls