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我们正在经历OnUserPreferenceChanged另一篇文章中广泛记录的可怕挂起。当我们查看参数的Category属性时，UserPreferenceChangingEventArgs它的值9对应于枚举的Policy成员：UserPreferenceCategory
OnUserPreferenceChanged
Category
UserPreferenceChangingEventArgs
9
Policy
UserPreferenceCategory
策略 - 指示用户对策略设置的偏好，例如用户权限和访问级别。
什么会触发这个事件？