In mainstream languages, event-based interfaces are usually implemented using callback functions, a style familiar in graphical user interface (GUI) programming and the like.

在主流语言中，基于事件的接口通常使用回调函数实现，这是一种在图形用户界面(GUI)之类的编程中常见的方式。

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To evaluate the adequacy of a test suite for testing a program with graphical user interfaces(GUI), new coverage criteria based on directed graph for window navigation was proposed.

为评估图形用户界面（GUI）测试用例集的充分性，提出了基于窗口导航有向图的覆盖准则。

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To evaluate the adequacy of a test suite for testing a program with graphical user interfaces(GUI), new coverage criteria based on directed graph for window navigation was proposed.

为评估图形用户界面（GUI）测试用例集的充分性，提出了基于窗口导航有向图的覆盖准则。

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