本文介绍了将当前窗口作为 CommandParameter 传递的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何将当前所在的窗口作为参数传递给命令?
how can I pass the window I am currently on as a parameter to a command?
我喜欢在 XAML 标记中这样做:
I like to do this in XAML-markup:
<Button Command="CommandGetsCalled" CommandParameter="-this?-" />
推荐答案
我可以想到两种方法来做到这一点: 为窗口命名(通过窗口上的 x:Name
属性Window
标签,然后构造一个这样的绑定(假设窗口的名字是'ThisWindow'):
There are two ways I can of think to do this: Give the window a name (via a x:Name
attribute on the Window
tag, and then construct a binding like this (assumes the name of the window is 'ThisWindow'):
<Button Command="CommandGetsCalled" CommandParameter="{Binding ElementName=ThisWindow}" />
对于更一般的东西(不依赖于为当前窗口命名),可以像这样构造绑定:
For something more general (doesn't rely on giving the current Window a name), the binding can be constructed like this:
<Button Command="CommandGetsCalled" CommandParameter="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type Window}}}" />
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