sb.dispose();
    public void widgetDisposed(DisposeEvent arg0)    {        sb.dispose();        if (imgBuffer != null)        {                gc.dispose();            imgBuffer.dispose();            gc = null;            imgBuffer = null;        }        coEditor.dispose();        btnAdd.dispose();        btnRemove.dispose();        btnUp.dispose();        btnDown.dispose();        fccNewEntry.dispose();    }