将XDocument绑定到WPF并仍使用XPath？ [英] Bind XDocument to WPF and still use XPath?

问题描述

这是一个两部分的问题。

This is a 2 part question.

1）是否可以在不使用ObjectDataProvider的情况下将XDocument绑定到WPF控件？

1) Is it possible to bind XDocument to a WPF control without using ObjectDataProvider ?

这是XmlDocument可以在其​​中工作的代码段，但是我不能使用XDocument

Here is a snippet of my code in which XmlDocument works, but i cannot use XDocument

   XmlDataProvider provider = new XmlDataProvider();
    provider.XPath = "/Parent/Child";
    provider.Document = mydoc; // xmldocument works fine.
    Binding binding = new Binding();
    binding.XPath = "InnerChild/Name";
    binding.Source = provider;
    decisionCb.SetBinding(ComboBox.ItemsSourceProperty, binding);

我需要保留使用XPath进行绑定的功能，因为我的Xml文档是动态生成的。我想使用XDocument和LINQ：（

I need to retain the ability to bind using an XPath because my Xml document is generated on the fly. I wanted to use XDocument and LINQ :(

2）是否可以在Xaml中的XElement中使用XPath扩展功能？

2) Is it possible to use XPath extension functions in XElement within Xaml ?

<DataTemplate DataType="{}{http://myns}Child" >
<StackPanel Orientation="Horizontal">
<!-- This wont work because Element cannot accept XPath -->
<TextBlock Text="{Binding Path=Element[{http://myns}InnerChild/Name]}" /> 
</StackPanel>
</DataTemplate>

推荐答案

第一个问题的答案是是的，您Beatrix Stollniz的文章就是一篇有关此论点的好文章：链接文本

关于第二个答案，我说不，不可能。 XLinq体系结构是利用IEnumerable（基本Linq）扩展的优势而构建的，因此XPath是不必要的，并且（还可以说）不够。

干杯

The answer to the first question is "yes, you can".
One good article about this argument is the Beatrix Stollniz' one: link text
About the second answer, I say "no, it is not possible". XLinq architecture is built taking advantage from the IEnumerable (basic Linq) extensions, so XPath would be unnecessary and (let's say) not-so-adequate.
Cheers

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