Think of the method pointer as a short-hand convenience mechanism for invoking methods along an object graph.

可以将方法指针当作调用对象方法的方便机制。

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Take a look at the dependency graph for a typical setup of a component with two dependencies and the method parameters used (see Figure 1).

请看下图，这是典型的组件设置的依赖关系图，其中有两个依赖关系并使用了方法参数(参见图1)。

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The exportData() method saves the graph to a PNG file.

exportData() 方法将图形保存为 PNG 文件。

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