Passing params to an external swf via loader


I have a map of the US acquired from <a href="http://www.backspace.com/mapapp/" rel="nofollow">here</a> (called U.S. Map). I am currently generating XML from inside an ActionScript file, and would then like to display this map using my generated XML as the argument. According to <a href="http://www.backspace.com/mapapp/configure.html#embed" rel="nofollow">this</a>, to do this in html would require the following declaration:


How can I replicate this behavior using the Loader from ActionScript? Right now I have:

var ldr:Loader = new Loader(); var url:String = "us/us.swf?data_file=senate.xml"; var urlReq:URLRequest = new URLRequest(url); ldr.load(urlReq); addChild(ldr);

I'd like to note that I've already seen <a href="https://stackoverflow.com/questions/426143/passing-paramaters-to-a-swf-via-loader" rel="nofollow">this</a>. However, it doesn't seem to be able to solve my problem, since I can't edit the US Map swf.


It sounds like what you want is URLVariables:

var variables : URLVariables = new URLVariables(); variables.data_file = "senate.xml"; urlReq.data = variables;


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