Thanks Dan, Simon and Ralf.

I found a great example here, which is perfect: 
http://viconflex.blogspot.com/2006/11/listcollectionview-different.html

Paul
  ----- Original Message ----- 
  From: Daniel Freiman 
  To: [email protected] 
  Sent: Tuesday, February 19, 2008 9:24 PM
  Subject: Re: [flexcoders] Re: Any ArrayCollection tricks?


  I think we saw a problem similar to this a long time ago on this list.  I 
don't think there was a better way than duplicating the source.  However, 
depending on your use case you my not need to do a deep copy of the source 
array, so you would have multiple arrays that point to the same data so at 
least the data isn't duplicated in memory.

  Here's the thread: 
http://www.mail-archive.com/[email protected]/msg73153.html

  - Dan Freiman


  On Feb 19, 2008 3:21 PM, simonjpalmer <[EMAIL PROTECTED]> wrote:

    ListCollectionView and separate filter functions



    --- In [email protected], "Paul Andrews" <[EMAIL PROTECTED]> wrote:
    >
    > Unsurprisingly, my Flex applications tend to have a common theme - many 
    > components driven from the same data, but with different filter
    functions.
    > 
    > With ArrayCollections having one filter function and needing to trigger 
    > Binding events, the obvious solution seems to be to duplicate the 
    > ArrayCollections (well duplicate the underlying array and use that
    as the 
    > source of a new ArrayCollection) to drive different components with 
    > different filter functions.
    > 
    > This seems a bit of a waste - duplicating the underlying array for each 
    > filter, so I wondered if anyone out there has a neat trick to avoid
    this 
    > duplication.
    > 
    > Paul
    >



   

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