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    <p>There are a few ways to achieve this. One way would be to pass a reference of the document class to the constructor of the other class:</p> <pre><code>package { public class AnotherClass { private var _doc:Main public function AnotherClass(doc:Main) { _doc = doc; } public function AnotherRandomMethod():void { _doc.SomeRandomMethod(); } } } </code></pre> <p>or to the function itself</p> <pre><code>package { public class AnotherClass { public function AnotherClass() { } public function AnotherRandomMethod(doc:Main):void { doc.SomeRandomMethod(); } } } </code></pre> <p>You could also use a singleton design pattern by declaring a global static variable and assigning the document class to it. Although singletons are regarded as an <a href="http://en.wikipedia.org/wiki/Anti-pattern" rel="nofollow">anti-pattern</a>. For example:</p> <pre><code>package { import flash.display.MovieClip; public class Main extends MovieClip { public static var instance:Main; public function Main() { instance = this; } public function SomeRandomMethod():void { } } } </code></pre> <p>then</p> <pre><code>package { public class AnotherClass { public function AnotherClass() { } public function AnotherRandomMethod():void { Main.instance.AnotherRandomMethod(); } } } </code></pre> <p>Another way would be to make use of the Service Locator pattern (although some view it as an anti-pattern too). <a href="http://gameprogrammingpatterns.com/service-locator.html" rel="nofollow">http://gameprogrammingpatterns.com/service-locator.html</a></p>
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    1. CONote that the passing reference to the function itself code isn't right. It would look like this: public function set functionToCall(value:Function):void { _functionToCall = void;} public function callFunction():void { _functionToCall();}
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      1. USAmy Blankenship
    2. CO@Amy Blankenship I wasn't trying to create a callback, rather, I meant that the class could either be stored as a class member variable in the constructor or as a local variable in the function itself. But yes, using a callback is another way :)
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    3. COAh, I see what you mean. I thought you were saying that you could pass a reference to the function itslf, not pass a reference to the Class to the function itself.
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