所有的poll功能所执行的行为都是模拟点击按钮的行为。

All the poll function does is simulate a click on the button.

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模拟用户在文本框和Combobox控件中键入颜色的操作之后，自动化会模拟点击按钮控件。

After simulating the actions of a user entering colors for the textbox and combobox controls, the automation simulates clicking of the button control.

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在模拟器中演示了代码的执行——简单地允许用户点击一个按钮，现实文本改变。

Demonstrates the code in the emulator, which simply allows the user to click a button and show the text change.

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