title: What can I do to to store/save a list of Class on Windows Phone 8.1?
body: <p>I have a small Project. I want to write a Windows Phone Application which stores a List of Items. 
  I tried to save the list as a XML document using Linq, that worked fine on a PC but i got a problem with the </p>
  
  <pre><code>XDoc.Save();
  </code></pre>
  
  <p>On PC I could use a String but on Windows Phone I need a Stream or a XML(Text) Writer but I have no idea how I can do this.
  I tried to save a .txt file too, I always get the same exception and have no idea why. </p>
  
  <pre><code>#if DEBUG &amp;&amp; !DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION
          UnhandledException += (sender, e) =&gt;
          {
              if (global::System.Diagnostics.Debugger.IsAttached)global::System.Diagnostics.Debugger.Break();
          };
  #endif
          }
      }
  }
  </code></pre>
  
  <p>If someone knows a way to store the List items. Please Help me.</p>