How to set and change the culture in WPF

Question

I have a .NET 4.0 WPF application where the user can change the language (culture) I simply let the user select a language, create a corresponding CultureInfo and set:

Answer 1

I'm not sure how to get around the "can't call OverrideMetadata multiple times" exception.

As a workaround, when the user changes UI cultures in your app, you could restart your app with that culture, passing in the new culture as a command line argument. Unless your users will be changing cultures often, this sounds like a reasonable solution.