code: public void setControlValue(Object objValue, Component component)
      {
          Convert converter = null;
          if (component instanceof ScreenComponent)
              converter = ((ScreenComponent)component).getConverter();
          if (converter == null)
              converter = m_converter;
  
          if (component instanceof FieldComponent)
              ((FieldComponent)component).setControlValue(converter.getData());
          else if (component instanceof JTextComponent)
              ((JTextComponent)component).setText(converter.toString());
      }
docs: Set this control to this value.
  @param objValue The value to set the component to.
  @param component The component to set to this value.