Along with custom filters, you can also add custom functions and register global variables.
除了定制过滤器，您还可以添加定制函数和注册全局变量。
Start by writing functions that read and write global variables (when necessary).
先开始写一些函数来读去和写入全局变量(在必要的情况下)。
Class Designer does not support global functions and variables.
类设计器不支持全局函数和变量。
Class Designer does not support global functions and variables.
类设计器不支持全局函数和变量。
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