HOW TO SEND AN 'OUT' EVENT TO A COMPONENT?

I am writing an AIR application that has many components.  The main application has a "start" button to start a new project, and when you leave a project, the application returns to the start page.  Even if you exit back to the start page, the main MXML components used in the application are not destroyed, because there is no way to destroy them that they just rest here idle in the background and not visible in the State of 'start '.  The problem is that, when a user clicks on the "start" button to start a new project, the MXML components appear in the new project in the former State that they were in because there is no obvious way to reset.  If there was a way to destroy the components, and then when they were recreated in a new project I could initialize with a creationComplete handler.  But since you can't literally destroy a component MXML, I need a way for components to be able to listen to the main program for a click on the button 'Start' event, and then each component to initialize itself when he hears the event.  So I need instead of components passes an event up to the main application, the main application to send an event down to the components.  Is there a way to send an event to the main application on various components?  (or is there a way to destroy a MXML component so that you can recreate later I don't know of?)

Yes, that will do the job, but it is preferable to use a custom event and you need not a property.

I quickly did a small example in Flash using a static variable as a plate rotating Central shipped...

Create a class:

package {}

import flash.events.EventDispatcher;

SerializableAttribute public class EventHub extends EventDispatcher {}

public static var Dispatcher: EventHub = new EventHub();

public void EventHub() {}

the constructor code

}

}

}

in the pane to add this

EventHub.dispatcher.addEventListener ("INIT_COMPONENT", _onInitComponent);

the Manager of the event within your component

private void _onInitComponent(e:Event):void {}

trace ("received INIT_COMPONENT");

}

everywhere where you have trigger init, add this

EventHub.dispatcher.dispatchEvent (new Event ("INIT_COMPONENT"));

Paul

Tags: Flex

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