如果在每次模拟组件时厌倦了输入值，或者甚至厌倦了从数据池选取数据，则使用编程式模拟非常有用。

Using programmatic emulation is useful if you are tired of entering values or even picking values from the data pool every time a component is emulated.

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同样地，这个小部件也可以用编程式模型创建，如清单 8 所示。

The same widget could be created in a programmatic model, as shown iin Listing 8.

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我们将侧重于编程式事务界定。

We'll focus on programmatic transaction demarcation.

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