nd we simply need to update the SelectedDemo field of "data"
            to reflect the new selection. We then ask the rest of the interface to
            update in response to the change.
            </p>
            <example><pre style="background-color: #eeeeff; margin-left: 20px; margin-right: 20px"><font color="#000011">
                <code class="COMMENT">% User selected a demo from the list - update "data" and refresh</code>
data.SelectedDemo = <a href="matlab:doc get"><code class="FUNCTION">get</