Are there any official Microsoft metro themes for Silverlight and WPF?
I was assuming there has, because they specifically said it in their Windows 8 User Experience Guidelines
Win as one
Work with other apps, devices, and the system to complete scenarios for people, like picking content from one app and sharing it with another. Take advantage of what people already know, like standard touch gestures and charms, to provide a sense of familiarity, control, and confidence.
- Fit into the UI model.
- Reduce redundancy in your UI.
- Work with other apps to complete scenarios by participating in app contracts.
- Use our tools and templates to promote consistency.
Following these five Metro style design principles will help you make the best choices when designing your app.
I was trying to search it but I only found some resource not from Microsoft.