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Adobe Flex mx:TileList scrolling issue applying filters to DataProvider

After scrolling down a TileList if I apply a filter to the DataProvider (ArrayCollection), the TileList UI object doesn't re-position correctly. It let the user in the bottom of the list that looks like empty but it isn't, simple the existing records are above the scrolling position. I solved the issue calling method scrollToIndex(0) of the TileList component. It seems strange to me that I have to manage it manually because doing the same in a DataGrid I get re-positioned (scrolled-up) automatically. Any comments?

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