Sorry, my list is

<listbox id="myList" rows="5" flex="1"> 
</listbox> 

On Thu, May 21, 2009 at 9:08 PM, Vanush Vee <vanush@[...].com>  wrote:

>  Hi
> 
>  I want to use XULRunner with python because it seems like a really good way
>  to make my scripts fancy without bothering with large UI frameworks,
>  however, i'm having some trouble getting it to work. Before, I was unable to
>  get any method of an element working (such as menulist), the console would
>  say 'has no attribute appendItem' but then Todd Whiteman suggested that I
>  have to QueryInterface. Okay, but then I want to use the getRowCount method
>  of listbox , I get a no attribute error no matter what interface I'm
>  querying
> 
>  <button label="getRowCount" oncommand="getRowCount()" />
> 
>  and then in my script
> 
>  def getRowCount():
>    nlist = document.getElementById('myList')
>    nlist.QueryInterface(components.interfaces.nsIListBoxObject)
>    nlist.getRowCount()
> 
>  I just get the error
> 
>  WARNING:xpcom:Python DOM script error
>  Traceback (most recent call last):
>    File "C:\pyxpcom_gui_app\xulrunner\pylib\nsdom\context.py", line 478, in
>  CallEventHandler
>      return handler(*args)
>    File "chrome://pyxpcom_gui_app/content/pyxpcom_gui_app.xul", line 1, in
>  oncommand
>    File "chrome://pyxpcom_gui_app/content/pyxpcom_gui_app.xul", line 42, in
>  getRowCount
>    File "C:\pyxpcom_gui_app\xulrunner\pylib\xpcom\client\__init__.py", line
>  336, in QueryInterface
>      raw_iface = self._comobj_.QueryInterface(iid, 0)
>  <class 'xpcom.Exception'>: -2147467262 (-2147467262)
> 
> 
>  Any ideas as to what is wrong/what I should do. Thx.
>