如何知道表单是否有效？ [英] How to know if the form is Active or not ?

问题描述

我想知道我的表格是否有效，即最重要的是。如果它落后于其他东西我想要执行命令，如果它在顶部，那么还执行其他任务。要处理哪个事件可以帮助我了解上述情况。

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谢谢你
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Hi, I want to know if I form is Active i.e. on top of all or not. If it is behind something else I want to perform a command else if it is on top then also perform some other task. Which Event to handle that can help me know the above.

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Thanks
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推荐答案

检查 form.active 属性。

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