Preciso de ajuda com o DBListBox (SuperWaba)

import waba.ui.*;
import superwaba.ext.xplat.sql.pdb.pdbx.*;
import superwaba.ext.xplat.ui.db.*;

/**
 * @author afb
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class Foda extends MainWindow
{
	PDBDriver driver;
	DBListBox lb;
	ResultSet rs;
	
	Button btnInserir, btnBuscar;
	Edit edtNome;
	MenuBar menu;
	
	
	public Foda()
	{
		super("Testando BDListBox", TAB_ONLY_BORDER);
	}

	public void onStart()
	{
		String col0[] =
		{
			"Arquivo",
			"Sair",
		};
		
		setMenuBar(menu = new MenuBar(new String[][]{col0}));
		
		Container main = new Container(); 
		main.setRect(getClientRect());
		
		main.add(edtNome = new Edit("000000000000000000000000000"), LEFT + 20, TOP + 5);
		main.add(btnInserir = new Button("  Inserir  "), SAME , AFTER + 5);
		main.add(btnBuscar = new Button("  Buscar  "), AFTER + 120, SAME);
		main.add(lb = new DBListBox());
		lb.setRect(20, 70, 285, 215);
		lb.setDisplayCol(1);
		
		swap(main);
		
		openTable();
	}
	
	public void openTable()
	{
		driver = new PDBDriver("Test");
		
		if(!driver.exists("PESSOAS"))
		{
			driver.execute("create table PESSOAS( NOME CHAR(30))");
			driver.execute("CREATE INDEX IDX_NOME ON PESSOAS(NOME)");
		}
	}
	
	public void onEvent(Event event)
	{
		if(event.type == ControlEvent.WINDOW_CLOSED)
		{
			switch(menu.getSelectedMenuItem())
			{
				case 001:
					exit(0);
					break;
					
				default: break;
			}				
		}
		
		if(event.type == ControlEvent.PRESSED)
		{
			if(event.target == btnInserir)
			{
				driver.executeUpdate("insert into PESSOAS (NOME) " +
									  "values ('" + edtNome.getText() + "')");	
				
				edtNome.setText("");
			}
			
			if(event.type == ControlEvent.PRESSED)
			{
				lb.removeAll();
				
				rs = driver.executeQuery("select * from PESSOAS");
				
				while(rs.next())
					lb.add(rs.getString("NOME"));
			}
		}
	}
}