如何使用WPF绑定与RelativeSource？ [英] How do I use WPF bindings with RelativeSource?

问题描述

如何使用WPF绑定的 RelativeSource 和不同的用例？

How do I use RelativeSource with WPF bindings and what are the different use-cases?

推荐答案

如果要绑定对象上的另一个属性：

If you want to bind to another property on the object:

{Binding Path=PathToProperty, RelativeSource={RelativeSource Self}}

如果要在祖代上获取属性：

If you want to get a property on an ancestor:

{Binding Path=PathToProperty,
    RelativeSource={RelativeSource AncestorType={x:Type typeOfAncestor}}}

如果要在模板化父项上获取属性（因此可以在ControlTemplate中进行2种方式绑定）

If you want to get a property on the templated parent (so you can do 2 way bindings in a ControlTemplate)

{Binding Path=PathToProperty, RelativeSource={RelativeSource TemplatedParent}}

或更短（仅适用于OneWay绑定）：

or, shorter (this only works for OneWay bindings):

{TemplateBinding Path=PathToProperty}

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