le into which the application will be drawn,
in physical pixels. <a href="../dart-ui/Window/physicalSize.html">[...]</a>
                  <div class="features">read-only</div>
</dd>
        <dt id="platformBrightness" class="property">
          <span class="name"><a href="../dart-ui/Window/platformBrightness.html">platformBrightness</a></span>
          <span class="signature">&#8594; <a href="../dart-ui/Brightness-class.html">Brightness</a></span>         
        </dt>
        <dd>
          The setting