title: Load a function after the layout is being added and shown completely
body: <p>I am trying to show a loading page in windows phone 8.1 </p>
  
  <p>I want to call function <code>this.GetAllRings</code> after i can see the layout. I have tried added in loaded but it still don't work. Unless the entire query is complete, i see black screen. How can i fix this</p>
  
  <p>Following is my code </p>
  
  <pre><code>public MainPage()
      {
          this.InitializeComponent();
          this.app = App.Current as App;
          this.Loaded += MainPage_Loaded;
  
          this.NavigationCacheMode = NavigationCacheMode.Disabled;
      }
  
      void MainPage_Loaded(object sender, RoutedEventArgs e)
      {            
          this.GetAllRings();
      }
  </code></pre>