methods-events-attributes-$12.lzx

<canvas width="100%" debug="true">  
    <class name="myclass_with_handler">
        <event name="myevent"/>
        <handler name="myevent" args="myargs">
            Debug.debug("%#w handling myevent, myargs = %w", this, myargs);
        </handler>       
        <attribute name="season" type="string" value="spring"/>
        <event name="onseason"/>
        <handler name="onseason" args="s">
            Debug.debug("got season of %w, season is %w", s, season);
        </handler>
    </class>   
    <myclass_with_handler id="foo"/>
    <simplelayout axis="x" spacing="5"/>
    <button onclick="foo.myevent.sendEvent(12)" text="send the event"/>
    <button onclick="foo.setAttribute('season', 'fall')" text="autumn"/>
    
    <!-- Don't do this! Setting an attribute directly with '=' shortcuts around
        the event system. This is not right; use setAttribute instead -->
    <button onclick="foo.season='winter'" text="evil"/>
</canvas>
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