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Editorial Team
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Asked: 2026-05-19T10:09:54+00:00

I have a simple list in Flex that is populated every N seconds by

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I have a simple list in Flex that is populated every N seconds by a dataprovider. My goal is to avoid scrolling the list after the dataprovider has been changed.

So, before I populate the list, I save the selectedIndex, and once the dataProvider is filled, I call:

list.selectedIndex = index;
list.scrollToIndex(index);

Trouble is that this moves the selected item of the list to the top.

The solution would be to get the index of the first element displayed in the list: but I have no idea on how to get that. Any clue?

Perhaps something like: list.getIndexFirstVisibleElement()

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1 Answer

  1. Editorial Team

    You haven’t mentioned if you’re using Flex 4, but if you are you might want to look into ensureIndexIsVisible.

    You can find an example here: http://blog.flexexamples.com/2010/05/12/scrolling-to-a-specific-index-in-a-spark-list-control-in-flex-4/.

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