find glass pane relat specifi compon param start compon compon us start search glass pane param creat flag creat glass pane doe exist glass pane glass pane mount compon start compon creat root pane contain contain compon compon start compon climb compon hierarchi root pane contain compon parent compon root pane contain compon compon parent guard error condit climb search wasn success compon root pane contain contain root pane contain compon contain retriev exist glass pane old exist creat contain glass pane contain glass pane glass pane glass pane contain glass pane creat glass pane glass pane glass pane start compon contain set glass pane glass pane glass pane 