Flash AS3 - Importing external SWF causes Error #2007

Question

I have a weird issue with importing external SWF in ActionScript 3.0. I want to import a SWF made with EasyPano TourWeaver 7.96 but when I'm doing this I'm getting the Error #2007: Parameter child must be non-null. Here is the code:

var VRArea:MovieClip = new MovieClip();

VRArea.x = 0;
VRArea.y = 96;

addChild(VRArea);

var my_Loader:Loader = new Loader();
var urlRequest : URLRequest = new URLRequest("vr/vr_Candela.swf");

my_Loader.contentLoaderInfo.addEventListener(Event.COMPLETE, loaderComplete);
my_Loader.load(urlRequest);

function loaderComplete(event:Event):void {
    VRArea.addChild(my_Loader);
}

The complete error is shown below:

TypeError: Error #2007: Il valore del parametro type deve essere diverso da null.
at flash.events::EventDispatcher/addEventListener()
at `[::-V/5?()
at ->::4J/Step4_2_startUI()
at ->::4J/`Z()
at [A::&=/1?()
at [A::%c/dispatch()
at !A::%D/load()
at ->::4J/Step3_1_LoadConfig()
at ->::4J/Step3()
at ->::4J/Step2_createContext3D()
at ->::4J/%$()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at  $::TWLoadingWindow/+&()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at 0M::1X/;$()
at 0M::1X/3@()
at Function/http://adobe.com/AS3/2006/builtin::apply()
at 0M::>5/&S()

Additional info: I'm getting only the loading screen of the external SWF.

I think that your mentioned code is fine and the problem is in the loaded swf. — akmozo

Vesper Vesper · Accepted Answer · 2015-07-10T14:24:20

You should use event.target in your listener to add the loader object. More, since you've assigned the listener to loaderInfo property, you need to get the object's content that is the object with loaded SWF.

function loaderComplete(event:Event):void {
    var li:LoaderInfo=event.target as LoaderInfo;
    if (!li) return; // failed typecast
    VRArea.addChild(li.content); // add content
}

Flash AS3 - Importing external SWF causes Error #2007

2 Answers