using System; using System.Windows; namespace MyCompanyName.MyProjectName { /// /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : Window { private readonly HelloWorldService _helloWorldService; public MainWindow(HelloWorldService helloWorldService) { _helloWorldService = helloWorldService; InitializeComponent(); } protected override void OnContentRendered(EventArgs e) { HelloLabel.Content =_helloWorldService.SayHello(); } } }