You need to add an event listener for CollectionEvents to
model.positionInfoProvider.

The reason they're separate mechanisms is there's different
CollectionEventKinds for add / delete / move (so you know about filters and
stuff) and update.

-Josh

On Thu, Nov 20, 2008 at 1:27 PM, Fu Di <[EMAIL PROTECTED]> wrote:

>  hi  every one
>
> i used ChangeWatcher   to watch an  AC,  code like this:
> ChangeWatcher.watch(model, "positionInfoProvider", dataListener);
> "positionInfoProvider" is the AC.  when  one element of
> "positionInfoProvider" was changed,  the ChangeWatcher  can't  listen it.
>  unless i give  AC a new value. i  do't want to do this.  any idea??
>
>  extend problem, i  used  an AC   as  DataGrid 's provider , i just want
> to  change a element of the AC to make DataGrid update. how to do it??
>
>  thanks
>
> 
>



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:: Josh 'G-Funk' McDonald
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