Upgrade to .net 4.0 framework in Silverlight -

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is possible change target framework .net 4.0 in application started in silverlight 3? have upgraded silverlight target silverlight 4 no problem, seems stuck using .net framework 3.5 in actual c# code. (i'm trying use threading tasks if help)

i using date version of visual studio 2010. can't seem find explicit way set framework of silverlight (the target framework companion website easy find)

thanks everyone.

silverlight integration in vs2010 isn't smooth yet. build tools still in beta. ".net framework target" setting has no effect , forgot disable it. silverlight runs on own clr version. prompted silverlight runtime version when create new project. can change afterward project + properties, silverlight tab, "target silverlight version" combobox.

you won't find 4.0 in combobox if didn't install yet. that's done separate, after install vs2010. download location is here.


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