title: what is the complete path of an image in asset folder?
body: <p>I know a file's relative path:</p>
  
  <pre><code>Uri("/Assets/book.png", UriKind.Relative)
  </code></pre>
  
  <p>But what is its absolute path? I want to use it here:</p>
  
  <pre><code>using (StreamReader sr = new StreamReader(completePath)
  {
  }
  </code></pre>