gistfile1.txt

// in MainWindow.xaml:

<Grid>
    <ListBox ItemsSource="{Binding Items}" />
</Grid>

// in MainWindow.xaml.cs

public MainWindow()
{
    InitializeComponent();

    this.DataContext = new
    {
        Items = new[]
        {
            "The quick",
            "brown fox",
            "jumps over",
            "the lazy dog"
        }
    };
}