if (component ==null ) {
Panel componentPanel=new Panel();
componentPanel.setLayout(new BorderLayout() );
componentPanel.add("Center",new Label(CONTROL_STRING,Label.CENTER) );
Checkbox cb=new Checkbox(null,null,silenceSuppression);
cb.setEnabled(isSetable);
cb.addItemListener( (ItemListener) new SilenceSuppresionAdapterListener(cb) );
componentPanel.add("East",cb );
componentPanel.invalidate();
component=componentPanel;
}
return (Component)component;