So, with that said the process is fairly simple. The following is a hypothetical example of a class you have imported into your application:

package com.example.scope
{
    private var myVar:String = "This is NOT the value we're trying to get";

    public class scopeExample
    {
        public function scopeExample()
        {
            // Flex 4
            import mx.core.FlexGlobals; // make "FlexGlobals" available in the current scope
            trace(FlexGlobals.topLevelApplication.myVar); // outputs the value of myVar in the main application

            // Flex 3
            import mx.core.Application; // make "Application" available in the current scope
            trace(Application.application.myVar); // outputs the value of myVar in the main application
        }
    }
}

You could also use:

trace(parentDocument.myVar); // if the component is a child of the main application

I ran across a post on Holly Schinsky’s blog the other day that had good descriptions of the various scope keywords, and a few tips. All of which is good knowledge to possess, so check it out.

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