The history management feature uses the Macromedia Flash getURL() function to load an invisible HTML frame in the current web browser window. It then encodes a Flex application's navigation states into the invisible frame's URL query parameters. A SWF file, called history.swf, in the invisible frame decodes the query parameters and sends the navigation state back to the HistoryManager class. This section describes how the HistoryManager class encodes navigation data into a URL query string and then decodes that navigation data to restore navigation states.
Version 1.5
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