code: public JComponent addBinding(Binding binding, int column, int row, int widthSpan, int heightSpan)
      {
          ((SwingBindingFactory) getBindingFactory()).interceptBinding(binding);
          JComponent component = binding.getControl();
          addComponent(component, column, row, widthSpan, heightSpan);
          return component;
      }
docs: Add a binder to a column and a row with width and height spanning.