[flexcoders] HorizontalList and itemRenderer

[Rodney Smith]

I'm struggling to get items in a HorizontalList to be full height (as in
height="100%", which is not honored by the HorizontalList container). I'm
using an external itemRenderer based on VBox, but can't get the items to be
the fill the height of the HorizontalList. If the HorizontalList is set to
height="100%", how do I get the items in the list to also be 100% height?

Here's my simple code, with borders:
SampleHList.mxml:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml";
    layout="absolute">

    <mx:HorizontalList columnCount="3"
        itemRenderer="components.SampleView"
        height="100%"
        width="100%"
        borderStyle="solid"
        >
        <mx:ArrayCollection>
         <mx:Object category="Topic 1"/>
         <mx:Object category="Topic 2"/>
         <mx:Object category="Topic 3"/>
         <mx:Object category="Topic 4"/>
       </mx:ArrayCollection>
     </mx:HorizontalList>
</mx:Application>

And the contents of "components/SampleView.mxml":
<?xml version="1.0" encoding="utf-8"?>
<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml";
    borderStyle="solid"
    borderColor="red"
    height="100%">
    <mx:Label text="{data.category}"/>
    <mx:Spacer height="100%"/>
    <mx:Label text="end of topic"/>
</mx:VBox>