I do not know how, I encountered a problem and everyone is passing or not experienced it
It looms installed VS2005 + VS2010, so framework 2.0; 3.0; 3.5; 4.0 have a.
When I was in New Silverlight Application time, of course, there will be above Framework version choice, I always choose the default version 4.0.
But the magic is, Silverlight version of the new reference library is version 2.0 , of course, very serious problems caused by the:
Components 2.0 library is not NetTcpBinding, wsdualBinding or any such thing, so also how to play?
4.0 want direct reference, of course, prompted not quoted.
Screenshot straight or opinions:
1. Create a new 4.0 framework version of Silverlight applications:
![](http://static.oschina.net/uploads/img/201406/05233655_XqD9.jpg)
2. We just see a reference library system look attributes:
![](http://static.oschina.net/uploads/img/201406/05233655_D93G.jpg)
3. runtime and versions to 2.0, but let's look at references to the DLL path, following in SL4.0
We look into the true path to the DLL at DLL:
![](http://static.oschina.net/uploads/img/201406/05233655_2FUn.jpg)
The sun, the original DLL version 4.0 also clearly says, look at that last selected.
4. If you want to add 4.0 REFERENCE
![](http://static.oschina.net/uploads/img/201406/05233655_fzpN.jpg)
The result is the case:
Advice and support of everyone passing, how to fix the runtime when new to 4.0.
Reproduced in: https: //my.oschina.net/secyaher/blog/274302