There was also a new custom shapes palette that allowed the user to draw using vector shapes rather than just using lines.

用户自定义形状面板也新鲜加入，使得用户可以用矢量来绘制形状。

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Then extend from the base class UIComponent, and override the updateDisplayList() method to draw the custom vector drawing.

然后从基类 UIComponent 扩展，并覆盖 updateDisplayList() 方法来绘制这个定制矢量图。

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A huge advantage of OpenLaszlo is the ability to draw custom shapes easily.

OpenLaszlo的一个巨大的优势就是可以很容易地绘制定制的图形。

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