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

        protected override void OnUnselected(RoutedEventArgs e)
        {
            base.OnUnselected(e);
            _btnClose.SetResourceReference(ForegroundProperty, VsBrushes.CommandBarTextActiveKey);
            _labelTabTitle.SetResourceReference(ForegroundProperty, VsBrushes.CommandBarTextActiveKey);

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