vm dashboard

public class Dashboard : ViewModelBase<Dashboard>
{  
  [DataMember]
  public string Title
  {
      get { return "My Dashboard"; }
  }
  // 1
  string _statusMessage;

  [DataMember]
  public string StatusMessage
  {
    get { return _statusMessage; }
    set { this.RaiseAndSetIfChanged(ref _statusMessage, value); }
  }

  string _currentImage;

  [DataMember]
  public string CurrentImage
  {
    get { return _currentImage; }
    set { this.RaiseAndSetIfChanged(ref _currentImage, value); }
  }

  [DataMember]
  public List<string> ImageList { get; set; }

  protected override void Initialize()
  {
    base.Initialize();
    ImageList = new List<string>();
  }
  // 2
  ReactiveCommand<Unit, Unit> _initializeCommand;
  [DataMember]
  public ReactiveCommand<Unit, Unit> InitializeCommand
  {
      get { return _initializeCommand; }
      private set
      {
          this.RaiseAndSetIfChanged(ref _initializeCommand, value);
      }
  }
  // 3
  protected override void RegisterObservables()
  {  
      // 4
      InitializeCommand = ReactiveCommand.CreateFromTask(async _ => 
      {
        // initialization logic goes here 
        StatusMessage = "Initializing...";

        // maybe we're getting images from a server 
        await Task.Delay(1500); // dont use Task.Delay in real life plz

        StatusMessage = "Downloading...";

        // simulate a lengthy server response
        await Task.Delay(2500); // dont use Task.Delay in real life plz

        StatusMessage = "Go-Go Random Logos!";

        ImageList.Add("xamagon.png");
        ImageList.Add("eightbot.png");
        ImageList.Add("reactivelogo.png");
        ImageList.Add("888.png");
        ImageList.Add("Rx_Logo_512.png");

      })
      .DisposeWith(ViewModelBindings);

  // 5
  Observable
    .Interval(TimeSpan.FromMilliseconds(500))
    .SubscribeOn(RxApp.TaskpoolScheduler)
    .Select(_ =>
    {
        if (ImageList.Count == 0) 
          return "reactivelogo.png";

        Random random = new Random();
        int number = random.Next(0, ImageList.Count);

        return ImageList[number];  
      })
      .ObserveOn(RxApp.MainThreadScheduler)
      .BindTo(this, x => x.CurrentImage)
      .DisposeWith(ViewModelBindings); 
  }
}