
On his blog, Mike Harsh of Microsoft writes that the support of WPF/E on the Macintosh platform will not be limited to a JavaScript engine:
"WPF/E supports programmability through JavaScript for tight browser integration. The WPF/E package also contains a small, cross platform subset of the CLR and .NET Framework that can run C# or VB.NET code. Yes, we are bringing C# programming to the Mac."