Basic graphical question (actionscript/flashbuilder)

Question

I'm a totally newbie trying to create a library of graphical components that I can reuse in applications. I've created two projects in my workspace, one for the widgets and one for the application. When I draw the components onto the design screen, they now paint themselves as opposed to just being empty rectangles, great. They is something I'm missing however in the graphical heirarchy, b/c when I resize them they don't clear. Below is my class hierarchy:
public class WidgetBase extends Canvas
        public function WidgetBase()
            super();
        override protected function commitProperties():void
            // The idea here is that since this is a graphical object, all of its properties are probably
            // going to cause a redraw
            this.invalidateDisplayList();
        override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void
            super.updateDisplayList(unscaledWidth, unscaledHeight);
            draw(unscaledWidth, unscaledHeight);           
        protected function draw(unscaledWidth:Number, unscaledHeight:Number):void
            graphics.clear();
public class MyWidget extends WidgetBase
        public function BreakerWidget()
            super();
        protected override function draw(unscaledWidth:Number, unscaledHeight:Number):void
            super.draw(unscaledWidth, unscaledHeight);           
            graphics.beginFill(0xee0000, 0.9);
            graphics.drawRect(1, 1, unscaledWidth-1, unscaledHeight-1);                       
What do I have to add to get MyWidget to clear properly?

Answer 1

Hi Bob, thanks for getting back to me.
quote:
Originally posted by:
Bob Pierce
"_root.goRandom(this.slideshow_rand_mc.topslide_mc);"
There's a typo in that line - if it's in your code, it won't
work!
Ah, true. The typo actually happened when I was re-writing
the code in post. The actual code in the movie is
_root.goRandom(this.topslide_mc);
This is attached to a keyframe of the container movie-clip
containing the slides MC.
I've put the fla file on our server.
slideshow_random.fla.zip
If you, or someone else could download it and help me find
out what I'm doing wrong, I'd be ever-so grateful. I'm sure it's
something really obvious. Without being very familiar with Flash
and Actionscript, it's hard to explain things, and much easier to
show you the actual Flash file.
The 2 functions are on a keyframe on frame 1 of the root
timeline. The 'goRandom' function is supposed to be called from a
keyframe in 'slideshowRand_MC'. I envisaged calling the random
pause function from another keyframe in the same movieclip.
Thanks again,
Alex