w/onDrawFrame.html">onDrawFrame</a> callbacks be invoked. <a href="../dart-ui/Window/scheduleFrame.html">[...]</a>
                  
</dd>
        <dt id="sendPlatformMessage" class="callable">
          <span class="name"><a href="../dart-ui/Window/sendPlatformMessage.html">sendPlatformMessage</a></span><span class="signature">(<wbr><span class="parameter" id="sendPlatformMessage-param-name"><span class="type-annotation"><a href="../dart-core/String-class.html">String</a></span> <span class="parameter-nam