de class="prettyprint lang-dart">MidiPort</code>.
            </dd>
            <dt id="onMidiMessage" class="property">
                <span class="top-level-variable-type">Stream&lt;<a href="dart-html/MidiMessageEvent-class.html">MidiMessageEvent</a>&gt;</span>
                <a href="polymer_app_layout.behaviors/MidiInput/onMidiMessage.html">onMidiMessage</a>
            </dt>
            <dd>
                <div class="readable-writable">
        read-only
    </div>
    Stream of <code class="pretty