set/isEnabled accesses the ViewController's enabled state.

set/isEnabled访问 ViewController的启用状态。

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When it notices a change, it can look at the new selection and change its text, tool tip, and enabled state to reflect that.

当它注意到变化时，会查看新的选择并更改它的文本、工具提示和启用状态来反映这一变化。

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That law enabled the state to declare an emergency and give borrowers extra time to make their payments.

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"The design of public services around the needs of the public not the needs of the state enabled by the internet, that's the big change, " he said.

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That enabled the entire state deficit to be eliminated without yet another tax increase, and without layoffs of teachers and other government workers, except in three school districts that have continued to resist implementing the reforms.

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