check the bottom of this post:
http://nondocs.blogspot.com/2007/04/flexhowtoinstantiate-class-from-class.html
- Dan Freiman
On 9/30/07, keith <[EMAIL PROTECTED]> wrote:
>
> Thanks Dave,
> For this code to work, a ComboBox must have already existed or been
> declared as a variable somewhere on the stage.
> Does this mean I have declare instances of all the components I might
> ever use dynamically ahead of time for this to work?
>
> //==================================
> //So far this is what I got to work after reading the LiveDocs:
> //Works only if an instance of ComboBox has already been
> declared.
> //Does not work just by importing mx.controls.ComboBox alone.
>
> /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
> var ClassReference:Class =
> flash.utils.getDefinitionByName("mx.controls.ComboBox") as Class;
> var instance:Object = new ClassReference();
> addChild(DisplayObject(instance));
> //===================================
>
> I'm open to more inside details or helpful gotchas on this.
> -- Keith H --
>
> Dave Carabetta wrote:
> >
> > Check out the LiveDocs for getDefinitionByName():
> >
> > http://livedocs.adobe.com/flex/201/langref/flash/utils/package.html
> > <http://livedocs.adobe.com/flex/201/langref/flash/utils/package.html>
> >
> > Regards,
> > Dave.
> > Cynergy Systems
> >
> > On 9/30/07, *keith* <[EMAIL PROTECTED] <khair%40nc.rr.com> <mailto:
> [EMAIL PROTECTED] <khair%40nc.rr.com>>> wrote:
> >
> > I want to convert something like the String "mx.controls.ComboBox"
> > to a
> > Class.
> > I would use this to declare components or other classes at runtime.
> > *Please don't laugh at me*
> >
> > //==============================
> > //In areas where I CAN do this...
> > //---------------------------------------------
> > var testA:* = new mx.controls.ComboBox();
> > addChild(testA);
> > //==============================
> >
> > //=====================================
> > //I want to DYNAMICALLY do the same...
> > //--------------------------------------------------------
> > var classname:Class = Class("mx.controls.ComboBox");
> > var testB:* = new classname();
> > addChild(testB);
> > //=====================================
> >
> > //But get a this type of error---> TypeError: Error #1034: Type
> > Coercion
> > failed: cannot convert "mx.controls.ComboBox" to Class.
> >
> > -- Keith H --
> >
> >
> >
>
>
>
