When multiple design elements (controls, panes, windows) are required for similar or related logical purposes, they should be visually rendered in a consistent fashion to take advantage of the concept of inheritance.

• 如果有几个相似或者相关的逻辑目的，需要多种设计元素（比如空间及窗格及窗口）时，这些设计元素的风格要一致，这就是继承的原则。