ActionScript 3.0 :: Adding Controls Causes Exception

May 3, 2010

I'm having trouble adding any instance of the fl.controls to my class.

Compiling does work. And even in debug-mode it passes the moment, when the control is added to the mc. But then during runtime - I guess it happens before the controls have to be displayed - I get something like a null-reference exception. Either it's error 2007 (experianced with ProgressBar) or it's 1009 (experianced with RadioButton).
 
It's exactly the same problem which is described in the comments of the ProgressBar documentation.

package
{
import flash.display.Sprite;
import fl.controls.ProgressBar;

[Code]....

So how can I use fl.controls without having to provide them through the .fla library?

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