private void SetCollapsedAll()
 {
     ChunksView.SetCurrentValue(VisibilityProperty, Visibility.Collapsed);
     ImportsView.SetCurrentValue(VisibilityProperty, Visibility.Collapsed);
 }
 private void ChunksButton_OnClick(object sender, RoutedEventArgs e)
 {
     SetCollapsedAll();
     ChunksView.SetCurrentValue(VisibilityProperty, Visibility.Visible);
 }