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    <p>Do I understand correctly that you want to create an instance of an empty movie clip with class behavior attached and without having to define an empty clip symbol in the library?</p> <p>If that's the case you need to use the packages trick. This is my base class (called View) that I've been using over the years and on hundreds of projects:</p> <pre><code>import mx.events.EventDispatcher; class com.tequila.common.View extends MovieClip { private static var _symbolClass : Function = View; private static var _symbolPackage : String = "__Packages.com.tequila.common.View"; public var dispatchEvent : Function; public var addEventListener : Function; public var removeEventListener : Function; private function View() { super(); EventDispatcher.initialize( this ); onEnterFrame = __$_init; } private function onInitialize() : Void { // called on the first frame. Event dispatchers are // ready and initialized at this point. } private function __$_init() : Void { delete onEnterFrame; onInitialize(); } private static function createInstance(symbolClass, parent : View, instance : String, depth : Number, init : Object) : MovieClip { if( symbolClass._symbolPackage.indexOf("__Packages") &gt;= 0 ) { Object.registerClass(symbolClass._symbolPackage, symbolClass); } if( depth == undefined ) { depth = parent.getNextHighestDepth(); } if( instance == undefined ) { instance = "__$_" + depth; } return( parent.attachMovie(symbolClass._symbolPackage, instance, depth, init) ); } public static function create(parent : View, instance : String, depth : Number, init : Object) : View { return( View( createInstance(_symbolClass, parent, instance, depth, init) ) ); } } </code></pre> <p>So, all you have to do to use this class is to subclass it:</p> <pre><code>class Foo extends View { private static var _symbolClass : Function = Foo; private static var _symbolPackage : String = "__Packages.Foo"; private function Foo() { // constructor private } private function onInitialize() : Void { // implement this to add listeners etc. } public static function create(parent : View, instance : String, depth : Number, init : Object) : Foo { return( Foo( createInstance(_symbolClass, parent, instance, depth, init) ) ); } } </code></pre> <p>You can now create an instance of Foo like this;</p> <pre><code>var foo : Foo = Foo.create( this ); </code></pre> <p>Assuming that 'this' is some type of MovieClip or View.</p> <p>If you need to use this with a library symbol then just leave out the __Packages prefix on the _symbolPackage member.</p> <p>Hope this helps...</p>
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    1. POHow to dynamically create an Actionscript 2 MovieClip based class with
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    1. COThanks for the interesting AS2 trickery! Different problem though. A MovieClip defined in the library is set to a class. At runtime I want to add instances of that class to the stage and be able to pass args to the ctor. My newClassMC() function calls the ctor but onLoad() doesn't occur.
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    2. COYou simply can't do that with Movieclips unless you use composition instead of inheritance.
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    3. COLuke, I still think it's possible by forcing an onLoad in the proto (or contructor) chain; it's just complicated enough to make my head spin. If it isn't possible, I'd love to know why.
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