importing flash library symbol into flex

I am embedding a flash file in my flex file and then trying to add it to the stage. IU try addChild to a canvas element and to a container element, but it keeps giving me the error, the symbol "m开发者_开发知识库yBtn" is cannot be converted to a IUIcomponent.

I understand that I need to place everything inside some sort of component, but what is the proper way to do this in flex?

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Adding to rawChildren isn't the way to go here. Containers ignore rawChildren when doing things such as layout, measurement, etc.

Instead, simply wrap it in a UIComponent:

[Embed(source="...")]
public var someSwf:Class;

public function addSwf():void
{
    var swf:Sprite = new someSwf();
    var wrapper:UIComponent = new UIComponent();
    wrapper.addChild(swf);
    this.addChild(wrapper);
}

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Look here for info on Embedding swf files and embedding swf symbols.

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I figured it out thanks to this post: http://craiggrummitt.blogspot.com/2007/11/how-to-add-children-in-flex.html

you use something called rawChildren. so I would do myComponent.rawChildren.addChild('mymc');

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Here you can downlod a complement to conver a symbol into a flex component from Flash

www.adobe.com/go/flex_ck_en

You can add all your move into a symbol then convert to flex component

Select the symbol from the libary then go to:

Commands > Convert Symbol to Flex Component

then import the swc resultant in flex

finally add the elemento into flex:

    public var swfImported:NameOfTheSymbol=new NameOfTheSymbol();
    private function init():void{                      
stage.addChild(swfImported);
    }