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Tutorials » Actionscripting

Pass Parameters into your Flash File at runtime
Author: Peter Jones

One way you can get around not being able to pass a parameter in is to add a "querystring" to your swf src in the embed tag / param movie in your object tag and then look at the _url property for the movie and strip off the query part. By this I mean:

Your html is like this

<object ...> <param name=movie value="Flash/test.swf?x=123"> <embed src="Flash/test.swf?x=123"...></embed> </object>

and then in your flash file you can look up this._url which will return your full path including the movie name and the "querystring". You then use string manipulation to get the parameter value out e.g.

myURL = this._url;
myPos = myURL.lastIndexOf("?");
myParams = myURL.substring(myPos+1,myURL.length);
//this returns the querystring elements - you can now split these using split

Hope this helps - it should work in Flash 4 but definitely works in 5 from my tests so far.

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