It optionally allows you to completely replace a control's visual tree with anything you want - while still keeping the control behavior intact.
它还允许你用你想要的任何东西完全替换控件的视觉树(visual tree)，同时还保持控件的同样行为。
The old visual tree is removed.
旧的视觉化树状结构已移除。
You can call your own implementation of code that builds the remainder of an element visual tree.
可以调用您自己的代码实现来构建元素可视化树的剩余部分。
You can introduce services that only make sense to exist after the visual tree from templates is complete.
可以引入仅当模板中的可视化树完整后才有存在意义的服务。
Elements that are part of the visual tree through the templates are also not fully instantiated until connected.
通过模板成为可视化树一部分的元素也是在连接后才完全实例化的。
The visual tree also participates in this process.
视觉化树状结构也会参与此程序。
You can enumerate all visual objects in a visual tree whose geometry contains a specified coordinate value.
您可以列举视觉化树状结构中，所有在其几何中包含指定之座标值的视觉物件。
The element tree can be further divided into two discrete yet sometimes parallel trees: the logical tree and the visual tree.
可以进一步将元素树分为两个离散但有时会并行的树：逻辑树和可视化树。
If this exception is thrown by your application and you need to have a deeper visual tree, you can increase the application's stack size.
如果您的应用程序引发此异常，并且需要有较深的可视化树，您可以增加应用程序的堆栈大小。
A theme change causes an invalidation of the control template and the contained visual tree, which in turn causes the entire control to unload and reload.
主题更改会导致控件模板以及包含的可视化树失效；反过来，这又会导致卸载和重新加载整个控件。
To address this issue, WPF provides a way for object edges in a visual tree to "snap" to device pixels, eliminating the soft edges produced by anti-aliasing.
为了解决此问题，WPF提供了一种将可视化树中的对象边缘与设备像素“对齐”的方法，从而消除了抗锯齿产生的软边缘。
You can run code that relies on the visual tree from templates having been applied, such as obtaining references to named elements that came from a template.
可以在已应用的模板中运行依赖于可视化树的代码，例如，获取指向来自模板的命名元素的引用。
The hit test filter callback method is invoked for all the visual objects that map to the hit test criteria, starting from the visual you specify and descending through its branch of the visual tree.
会为映射到命中测试条件的所有可视对象调用命中测试筛选器回调方法，从您指定的可视对象开始，一直向下延伸到可视化树的分支。
Visual tree parents are not typically important for general application cases but may be the desired parent elements for certain visual level cases.
对于常规应用程序情况而言，可视化树父级通常不太重要，但对于某些可视化级别情况，可视化树父级可能是必需的父元素。
Visual tree parents are not typically important for general application cases but may be the desired parent elements for certain visual level cases.
对于常规应用程序情况而言，可视化树父级通常不太重要，但对于某些可视化级别情况，可视化树父级可能是必需的父元素。
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