title: How to enable build configuration Visual Studio 2010 express
body: <p>How do I enable the marked configurations in vb.net project?</p>
  
  <p>Reason: I have differnent configuration (controlled by preprocessor statements) which should have different assembly names.</p>
  
  <p><a href="https://i.stack.imgur.com/rc2fQ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rc2fQ.png" alt="enter image description here"></a></p>