<li><a href="../../../cn/usage/tool/pen.html">钢笔工具</a></li><li><a href="../../../cn/usage/tool/text.html">文本工具</a></li><li><a href="../../../cn/usage/tool/rectangle.html">矩形工具</a></li><li><a href="../../../cn/usage/tool/ellipse.html">椭圆工具</a></li><li><a href="../../../cn/usage/tool/rounded-rectangle.html">圆角矩形工具</a></li></ul><li><a href="../../../cn/usage/screen">Screen Area</a></li><ul><li><a href="../../../cn/usage/screen/tabs.html">标签</a></li><li><a href=".