AppVeyor.UI.Controls.ClosableTab.ClosableTab.OnSelected C# (CSharp) Method

        protected override void OnSelected(RoutedEventArgs e)
        {
            base.OnSelected(e);
            _btnClose.Foreground = Brushes.White;
            _labelTabTitle.Foreground = Brushes.White;

            //((ClosableHeader)this.Header).button_close.Visibility = Visibility.Visible;
        }