public YoutubeMetadataView(IEventAggregator eventAggregator) { InitializeComponent(); EventAggregator = eventAggregator; DataContext = ViewModel = new YoutubeMetadataViewModel(EventAggregator); TabName = "Metadata"; TabIsSelected = true; TabMargin = new Thickness(2); TabBorderThickness = new Thickness(2); TabBorderBrush = ClassicBorderDecorator.ClassicBorderBrush; }