[flexcoders] TypeError: Error #1006: getShape is not a function. (Sometimes...)

[Rich Germuska]

Hi,

I'm getting a #1006 runtime error, that's puzzling me.

I load a CS3 SWF into Flex using a custom SWFLoader called SWFWrapper.

In SWFWrapper I cast the SWF timeline as a MovieClip and access an 
AS3 instance method in the SWF called called getShape
(shapeNumber:String) as follows:

"SWFWrapper.as"

public function get rugSWF():MovieClip
{
        return this.content as MovieClip;
}

// Retrieve reference to correct UIMovieClip by calling swf's
// function getShape()

var s:UIMovieClip = rugSWF.getShape(shapeNumber);

// Do funky things to UIMovieClip

"rug.swf"

function getShape(shapeNumber:String):MovieClip {
   var shapeNum:String = shapeNumber;
   return this["shape_"+shapeNum];
}

And everything is working nicely...

I then load a different SWF to Flex - that contains the same methods 
and instance variables (the AS3 is code generated using JSFL)
and I get the #1006 error.

I've compared the two swf's and can't see any unintended differences. 
Are there any mystical settings I should know about? Flash IDE and 
timelines etc are not my strong point.

Here's the Flex error stack:

TypeError: Error #1006: getShape is not a function.
        at com.treelinerugs::SWFWrapper/setShapeColor()
[C:\DATA\Business\RIA 
Data\flex3WorkspaceRug\treelinerugs\com\treelinerugs\SWFWrapper.as:106
]
        at com.treelinerugs::SWFWrapper/setAllShapeColors()
[C:\DATA\Business\RIA 
Data\flex3WorkspaceRug\treelinerugs\com\treelinerugs\SWFWrapper.as:79]
        at com.treelinerugs::SWFWrapper/initSWFWrapper()
[C:\DATA\Business\RIA 
Data\flex3WorkspaceRug\treelinerugs\com\treelinerugs\SWFWrapper.as:40]
        at flash.events::EventDispatcher/dispatchEventFunction()
        at flash.events::EventDispatcher/dispatchEvent()
        at mx.core::UIComponent/dispatchEvent()[E:\dev\flex_3_beta3
\sdk\frameworks\projects\framework\src\mx\core\UIComponent.as:9041]
        at 
mx.controls::SWFLoader/http://www.adobe.com/2006/flex/mx/internal::con
tentLoaderInfo_completeEventHandler()[E:\dev\flex_3_beta3
\sdk\frameworks\projects\framework\src\mx\controls\SWFLoader.as:1648]

Many thanks, Rich