title: DLL automatically added in build output
body: <p>I have a c# solution with a Winform project (project A) and a library poject (project B).</p>
  <p>My project B have component DLL reference (copy-local set to FALSE)</p>
  <p>When i build only my project B =&gt; 0 DLL in output</p>
  <p>When i build my project A (Project reference between projects A &amp; B) =&gt; i have in build output all component DLL referenced in B and not in A .</p>
  <p>If i had the reference in A and set copy locale to false, it not copied.</p>
  <p>do I have to reference all the DLLs of my project B in project A ?</p>