[IronPython] IronPython 2.6.1 for .NET 4.0 RC targeting Silverlight

Jimmy Schementi Jimmy.Schementi at microsoft.com
Sat Apr 10 00:33:01 CEST 2010


> The MSI I downloaded from the link in my previous posts installs to
> the following:
> C:\Program Files (x86)\IronPython 2.6 for .NET 4.0 RC\
> 
> There is no Silverlight folder as there is in the 2.6.1 download for
> .NET 2.0. If I try to add the dlls in the root of that folder I get
> the following message:
> 
> "You can't add a reference to IronPython.dll as it was not built
> against the Silverlight runtime. Silverlight projects will only work
> with Silverlight assemblies."
> 
> Am I missing something? Thanks for your help.

Since the current stable version of Silverlight is Silverlight 3, which is a subset of .NET 3.5, we only include Silverlight binaries in the version of IronPython for .NET 2.0: http://ironpython.codeplex.com/releases/view/40144. When Silverlight 4 is considered the stable version, which is a subset of .NET 4, "IronPython for .NET 4.0" will contain binaries build against Silverlight 4. Note that those Silverlight binaries will run on Silverlight 4, they just aren't built against Silverlight 4, so any .NET 4.0 specific features (like "dynamic" interop) are not available, but normal app development works.

~Jimmy



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