Another situation covered by this hotfix is when lots of short-lived elements have properties that are data-bound to a dependency property on a long-lived object.
该补丁还会解决大量短暂生命周期元素的属性绑定到了长期存活的对象上的情况。
This is a dependency property.
这是一个依赖项属性。
Sets the local value of a dependency property.
设置依赖项属性的本地值。
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