anged.html">onSemanticsEnabledChanged</a></span>
          <span class="signature">&#8596; <a href="../dart-ui/VoidCallback.html">VoidCallback</a></span>         
        </dt>
        <dd>
          A callback that is invoked when the value of <a href="../dart-ui/Window/semanticsEnabled.html">semanticsEnabled</a> changes. <a href="../dart-ui/Window/onSemanticsEnabledChanged.html">[...]</a>
                  <div class="features">read / write</div>
</dd>
        <dt id="onTextScaleFactorChanged" class="prop