title: Relative path to solution directory in App.config
body: <p>I have a solution with multiple projects, I have common settings int he AppSettings in the app.config and web.config that are used in may of the projects.</p>
  
  <p>I created AppSetting.config in my $SolutionDir\Solution Items folder.</p>
  
  <p>In every app.config or web.config that needs these settings, I want to do soemthign like this:</p>
  
  <pre><code>&lt;appSettings file="$SolutionDir\Solution Items\App.config"/&gt;
  </code></pre>
  
  <p>is there anything equivalent to this Macro that works inside App.config ?</p>