tc.pack();
}
}
aeConfigViewer = new TreeViewer(tree);
DDTreeContentProvider contentProvider = new DDTreeContentProvider();
DDTreeLabelProvider labelProvider = new DDTreeLabelProvider();
aeConfigViewer.setContentProvider(contentProvider);
aeConfigViewer.setLabelProvider(labelProvider);
aeConfigViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {