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Pop-up Detection with LocalConnection
Home » Flash » Actionscripting
 Detecting whether or not a user has a pop-up blocker enabled or not has somewhat recently become more of a concern for designers and developers. Since these blockers do not announce their presence, it is logical to assume that the best way to detect the successful launch of a pop-up is to have the pop-up send a message back to the originating window. This can be done in a number of ways, but this tutorial will cover a method of pop-up detection using Flash's LocalConnection class.
LocalConnection can be thought of as an 'instant messenger' of sorts between the instances of Flash Player running on a user's computer. You will be using this class to establish a connection with the pop-up that you attempt to launch. Before you begin, you should understand that this form of pop-up detection is not perfect, it is based on the assumption that the pop-up will load in a timely manner after the launch button is clicked, and it assumes that the Flash embedded in the pop-up executes the first frame code in that timeframe.
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