每个字典条目必须有一个关联的键属性 [英] Each Dictionary entry must have an associated key attribute

问题描述

我正在使用 C# 和 GalaSoft 的 MVVM-Light 工具包对 Windows 8.1 应用程序进行编程.

I am programming w Windows 8.1 App using C# and the MVVM-Light Toolkit from GalaSoft.

我只有以下代码:

<Application.Resources>
    <vm:ViewModelLocator x:Key="Locator" xmlns:vm="using:Scedule.ViewModel" />

    <ResourceDictionary>
        <ResourceDictionary.MergedDictionaries>
            <ResourceDictionary Source="Resource Dictionaries/StandardStyles.xaml"/>
        </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary>      
</Application.Resources>

出现错误每个字典条目必须有一个关联的键属性"，并且只有在我删除时才会消失

The error "Each Dictionary entry must have an associated key attribute" occurs and only disappears when I either remove

    <ResourceDictionary>
        <ResourceDictionary.MergedDictionaries>
            <ResourceDictionary Source="Resource Dictionaries/StandardStyles.xaml"/>
        </ResourceDictionary.MergedDictionaries>
    </ResourceDictionary> 

或

    <vm:ViewModelLocator x:Key="Locator" xmlns:vm="using:Scedule.ViewModel" />

谁能告诉我这里的问题是什么?

Can anyone tell me what the problem here is?

推荐答案

注意 Application.Resources 需要一个 ResourceDictionary 的实例，所以你必须做这样的事情:

Note that Application.Resources requires an instance of ResourceDictionary, so you have to do something like this:

<Application.Resources>    
  <ResourceDictionary>
    <vm:ViewModelLocator x:Key="Locator" xmlns:vm="using:Scedule.ViewModel" />
    <ResourceDictionary.MergedDictionaries>
        <ResourceDictionary Source="Resource Dictionaries/StandardStyles.xaml"/>
    </ResourceDictionary.MergedDictionaries>
  </ResourceDictionary>      
</Application.Resources>

所以这并不奇怪，也不是错误.如果你希望你的 ResourceDictionary 被当作一个资源，你当然必须为它提供一些 Key，但是在这种情况下你真的想分配一个 Key 的实例code>ResourceDictionary 到 Application.Resources

So it's not strange at all, it's also not a bug. If you want your ResourceDictionary to be treated as a resource, you of course have to provide some Key for it, however in this case you really want to assign an instance of ResourceDictionary to the Application.Resources

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