Trouble referencing a Resource Dictionary that contains a Merged Dictionary

Question

I have a library, CommonLibraryWpfThemes, with several Resource Dictionary XAML files in it. My Themes/Generic.xml file contains a ResourceDictionary.MergedDictionaries decl

Answer 1

I was getting this error in my unit tests and Chris' answer from above gave me the clue I needed. Basically on my first tested method, I put:

        MyApplication.App app = new MyApplication.App();
        app.InitializeComponent();

And suddenly it could find my template for my pages. Note: this does mean that you have to check to see if an instance of your App already exists if you are unit testing your App.cs as well.