Each Dictionary entry must have an associated key attribute

问题:

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

All I have is the code below:

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

or

Can anyone tell me what the problem here is?

回答1:

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

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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