此主题建议的方法可替代一些更明显的编码方法，帮助确保代码的时间关键部分满意地执行。
This topic suggests alternatives to some of the more obvious coding techniques to help you ensure that the time-critical portions of your code perform satisfactorily.
因此如果你自己做外观主题的话，这些都要遵守，但也会发现这对判别CSS代码的用处也有帮助。
If you make your own theme, there is no reason these must still be followed, but you may find them useful for determining what certain CSS does.
也可以使用帮助主题中包含的任何 C 代码示例程序。
You can also use any C code sample programs that are included in the Help topics.
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