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The ItemRenderer in the Flex 4 Spark components provides the useful ability to automatically draw the backgrounds of the item renderers, however it is limited to only drawing them with an alpha of 1 or 0. By extending the ItemRenderer class and overriding the mx_internal drawBackground() method, we are able to set the fill alpha […]


§31 · February 17, 2010 · Spark · 1 comment · Tags: , ,