Thanks for the reply. The TileList already renders the correct 
number of items (2), it seems that setting the rowHeight and/or 
rowCount has no effect. Seems like in this case the binding 
mechanism creates more problems than benefit :(

--- In [email protected], "Claudiu Ursica" 
<[EMAIL PROTECTED]> wrote:
>
> --- In [email protected], "spirit_ryder2k"
> <spirit_ryder2k@> wrote:
> >
> > Hi, I'm doing a small app which loads a list of songs from an 
XML 
> > and display it in a list. I'm using a TileList with a custom 
> > renderer to render the songs. Because I want to keep track which 
> > song has loaded I put a trace comment on the creation event. 
This 
> > all works as intended, the song list has 2 items and 2 item are 
> > displayed on screen. But I get 3 traces. It seems that the 
TileList 
> > creates 3 objects but only shows 2.
> > 
> > Any suggestions on how to make sure it only loads 2 objects? It 
> > seems like the first item in the XML list is created twice :(
> > 
> > Source code below:
> > 
> > Song1.xml
> > -------------------------
> > <?xml version="1.0" encoding="UTF-8"?>
> > <song>
> >     <track>
> >             <name>We are broken</name>
> >             <url>../Paramore - We Are Broken.mp3</url>
> >     </track>
> >     <track>
> >             <name>Pressure</name>
> >             <url>../Paramore - Pressure (Acoustic).mp3</url>
> >     </track>
> > </song>
> > -------------------------
> > 
> > renderer.mxml
> > -------------------------
> > <?xml version="1.0" encoding="utf-8"?>
> > <mx:Label xmlns:mx="http://www.adobe.com/2006/mxml"; 
> > creationComplete="trace('new song ' + data.name)" 
> > text="{data.name}"/>
> > -------------------------
> > 
> > test.mxml
> > -------------------------
> > <?xml version="1.0" encoding="utf-8"?>
> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; 
> > layout="absolute" creationComplete="SongServ.send()">
> >     <mx:HTTPService id="SongServ" url="../Song1.xml" />
> >     <mx:TileList direction="vertical" itemRenderer="renderer" 
> > dataProvider="{SongServ.lastResult.song.track}"  left="10" 
top="10" 
> > right="10" height="200"/>
> > </mx:Application>
> > -------------------------
> >
> 
> Ok, I've runned into this issue a few weeks ago and Alex Harui,
> adviced me to use the rowHeight and set it a value, the flex will 
now
> how to render the lines without creating an extra item. however 
you'l
> still get duplicates first time you trace because of the binding 
which
> will fire twice, and I don't think you can do something about it. 
You
> could unmarshall your XML into objects and reuse those objects if 
they
> already created/ only create them when not already created and then
> the binding will fire only when the value of the object is changed.
> 
> Hope this helps,
> Claudiu.
>


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