flex - Page number display in Flex3 -

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I am creating an image gallery in Flex. On each page I have 3 images. I would like to allow the user to see the page number which is at the top right corner of

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Here Page 3 is the current page and will be shown in black while other page numbers are in white when we have more than 6 pages, then it is not displayed Is when the user clicks on the 6th page, at which time 6 The change involves the next set of pages.

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I have no clue about this to be new to Flex. How do i do this


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