internal void HideBackstage()
{
table.Visibility = Visibility.Visible;
wndManager.Visibility = Visibility.Visible;
LimitedBackstage.Visibility = Visibility.Collapsed;
backstage.Visibility = Visibility.Collapsed;
this.Menu.IsEnabled = true;
this.Menu.Visibility = Visibility.Visible;
backstage.Child = null;
Keyboard.Focus(table); // Solve various issues, like disabled menus or non-available keyboard shortcuts
}