blocks|key|754175|text|如果你在你的机器上部署了.NET+4.5或VS+11，你已经在使用它了。.NET+4.5不是并行版本，它取代了4.0。我没有听到任何人抱怨它，除了使用PostSharp的人，它不能很好地处理类型转发。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|754176|如果您还没有这样做，那么不要将此作为安装它的建议。很少有程序员能负担得起在生产机器上发布CTP。使用VM或非关键计算机。|754177|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

You are already using it if you deployed either .NET 4.5 or VS 11 on your machine. .NET 4.5 is not a side-by-side version, it replaces 4.0. I haven't heard anybody complaining about it, except for people using PostSharp which doesn't handle type forwarding well.

I you haven't yet done so then do not take this as advice to install it. Few programmers can afford CTP releases on a production machine. Use a VM or a non-critical machine.

blocks|key|537750|text|我从http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27541安装了.NET+4.5开发人员预览版。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|537751|到目前为止，它在我的PC上与VS2010+SP1一起工作得很好，ReSharper+6.1EAP(现在可以使用http://confluence.jetbrains.net/display/ReSharper/ReSharper%2B6.1%2BNightly%2BBuilds)也工作得很好，特别是你认为像RC这样的最新版本。|537752|作为附带说明，我还安装了.NET异步CTP和ASP.NET+MVC4，它似乎也与这两个工作。你可以利用最新的Metro4.5性能改进和特性，而且你不需要对VS11开发者预览版进行任何更新，除非你需要构建.NET风格的应用程序。|537753|因此，对于开发环境，我建议现在更新到.NET+4.5。我确信，在大多数情况下，它不会带来重大问题。然而，如果你专注于WPF4.5开发，你会受到一些兼容性问题的影响，所以你可能会感兴趣的是在VM中安装VS11来进行WPF相关的开发，并使用VS11内置的XAML编辑器等。|537754|entityMap|0|LINK|mutability|MUTABLE|url|http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27541|1|http://confluence.jetbrains.net/display/ReSharper/ReSharper%2B6.1%2BNightly%2BBuilds^0|2|21|0|0|1J|26|1|0|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@$A|U|B|V|1|W]]|C|$]]|$1|D|3|E|5|6|7|X|8|@]|9|@$A|Y|B|Z|1|10]]|C|$]]|$1|F|3|G|5|6|7|11|8|@]|9|@]|C|$]]|$1|H|3|I|5|6|7|12|8|@]|9|@]|C|$]]|$1|J|3|-4|5|6|7|13|8|@]|9|@]|C|$]]]|K|$L|$5|M|N|O|C|$P|Q]]|R|$5|M|N|O|C|$P|S]]]]

I install .NET 4.5 Developer preview from <a href="http://www.microsoft.com/download/en/details.aspx?displaylang=en&amp;id=27541" rel="nofollow">http://www.microsoft.com/download/en/details.aspx?displaylang=en&amp;id=27541</a>.

So far it works great with VS 2010 SP1 on my PC and ReSharper 6.1 EAP (which is available now <a href="http://confluence.jetbrains.net/display/ReSharper/ReSharper+6.1+Nightly+Builds" rel="nofollow">http://confluence.jetbrains.net/display/ReSharper/ReSharper+6.1+Nightly+Builds</a>) also works great, especially latest build which you consider like RC. 

As side note, I also have .NET Async CTP &amp; ASP.NET MVC 4 installed and it also seems to work with both. You can utilize latest .NET 4.5 performance improvements &amp; features and you do not need to do any update to VS 11 Developer Preview, unless you required to build Metro Style applications as far as I know.

So for developer environment, I can recommend to update to .NET 4.5 now. I am sure in most cases it will not introduce significant issues. HOWEVER, In case if you concentrate on WPF 4.5 development, you VS11 be effected by some compatibility issues, so it may be interesting for you to install VS11 in VM to do WPF related development here and use VS11 build-in XAML editor etc.

blocks|key|754391|text|除非您的应用程序要到明年才会发布，否则我不会费心针对CTP进行开发。我的理解是测试版预计将在2月份发布，而预览版的发布往往会有很大的变化(包括API)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|754392|如果是我，我会至少等到Beta+1，但至少要准备好等到明年秋天才能获得上线许可。|754393|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Unless your app is not going to ship until next year, I wouldn't bother developing against the CTP just yet. My understanding is that the beta is expected in february, and Preview releases often change quite a bit (including the API).

If it were me, i'd wait until at least Beta 1, but be prepared to wait until at least next fall for a go-live license.

blocks|key|537909|text|它在.NET+4.5和EF+5中也不起作用。微软似乎忽略了他们自己的AdventureWorksLT2008R2示例数据库。由于hierarchyid字段类型的原因，一个表和一个存储过程不会导入EF+5。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|537910|如果他们继续这样做，他们会让自己变得过时。另一方面，Java确实支持hierarchyid和空间数据类型。|537911|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

It does not work in .NET 4.5 with EF 5 either. Seems Microsoft kind of overlooked their own AdventureWorksLT2008R2 sample database. One table and one stored procedure will not import into EF 5 due to the hierarchyid field type.

If they keep this up they will render themselves obsolete. Java on the other hand does support hierarchyid and spatial data types.

blocks|key|754548|text|我刚刚安装了VS2012，工作正常，但我的程序拒绝加载动态链接库。我试着回去用VS2010重新构建...现在，我发现我的所有项目在VS2010中编译时都会生成这个错误：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|754549|致命错误LNK1123:转换为COFF时失败:文件无效或损坏|754550|我发现这是因为.NET+4.5，所以我卸载了.NET+4.5并安装了.NET+4.0，现在一切都可以在VS2010中正常工作了……但现在，VS2012甚至不会运行，它只是显示一秒钟的闪屏，然后以错误“操作无法完成”终止。|754551|在我看来，在一个系统上同时使用VS2010和VS2012是不可能的，原因是在安装了.NET+4.5的情况下，VS2010将无法正确链接，没有它，VS2012将无法运行。|754552|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

I just installed VS2012, works okay but my programs that use FFTW refuse to load the DLL. I tried to go back and build again with VS2010 ... and now I find that ALL of my projects when compiling in VS2010 generate this error:

fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt

I found out that was because of .NET 4.5, so I uninstalled .NET 4.5 and installed .NET 4.0 and now everything works again in VS2010 ... but now, VS2012 will not even run, it just shows the splash screen for a second and then terminates with the error "Operation could not be completed". 

It does not look to me like it is possible to use both VS2010 and VS2012 on one system, and the reason being that VS2010 will not link properly with .NET 4.5 installed, and VS2012 will not run without it.

... or do I absolutely need Visual Studio 11 Developer Preview?

I'm mostly concerned with ReSharper support; 6.1 EAP isn't available yet.

I'm going to be making a WPF 4.5 greenfield application (as I need some of the new features) and I'm wondering what's going to provide the least resistance for upgrading down the line.

Does Visual Studio 2010 support .NET 4.5 CTP?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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..。或者，我是否绝对需要Visual Studio 11开发人员预览版？我最关心的是ReSharper支持；6.1EAP还不可用。我将制作一个WPF 4.5新建应用程序(因为我需要一些新功能)，我想知道什么将为升级提供最小的阻力。

问Visual Studio2010支持.NET 4.5CTP吗？
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问Visual Studio2010支持.NET 4.5CTP吗？
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