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In the third line, we create the PropertyValue object from the value of the changed property in the event.
在第三行中,我们从事件中已变更的属性的值创建PropertyValue对象。
youdao
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In the third line, we create the PropertyValue object from the value of the changed property in the event.
在第三行中,我们从事件中已变更的属性的值创建PropertyValue对象。
youdao