<canvas>
<simplelayout axis="y" spacing="2"/>
<view id="myImageView"/>
<view width="100" height="20" bgcolor="yellow"/>
<view width="100" height="20" bgcolor="red"/>
<button x="10" y="110">Set Image Now!
<handler name="onclick">
myImageView.setSource("http://jimtalk.com/Images/Vroom/ConferenceMenuIcons/");
</handler>
</button>
</canvas>