1:
2:
3:
4:

<Grid x:Name="LayoutRoot" Background="White">
    <Rectangle Width="50" Height="50" Stroke="Black" Fill="{Binding Path=myColor}"></Rectangle>
    <TextBlock Text="{Binding myText}" ></TextBlock>
</Grid>                    

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:

public partial class MainPage : UserControl
    {
        public ObservableCollection<myClass> myColl;
        public MainPage()
        {
            InitializeComponent();
            Application.Current.Exit += new EventHandler(Current_Exit);
            myColl = new ObservableCollection<myClass>();

            if (IsolatedStorageSettings.ApplicationSettings.Contains("mySettings"))
            {
                myColl = (ObservableCollection<myClass>)IsolatedStorageSettings.ApplicationSettings["mySettings"];
            }
            else {
                myColl.Add(new myClass { myText = "alpha", myColor = new SolidColorBrush(Colors.Orange) });
            }
          
            this.DataContext = myColl[0];
        }

        void Current_Exit(object sender, EventArgs e)
        {
            IsolatedStorageSettings.ApplicationSettings["mySettings"] = myColl;
            try
            {
                IsolatedStorageSettings.ApplicationSettings.Save();
            }
            catch (Exception ex)
            {
                MessageBox.Show("Fehler beim Speichern des Objektes! --> " + ex.Message);
            }
        }
    }

    public class myClass
    {
        public string myText { get; set; }
        public SolidColorBrush myColor { get; set; }
    }