blocks|key|219553|text|我使用Visual+Studio+2012，我也有同样的问题。要修复它(当Intellisense不再工作时)，我只需关闭当前选项卡(其中Intellisense不工作)，然后重新打开它。无需关闭Visual+Studio或所有选项卡。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|219554|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I use Visual Studio 2012 and I have the same problem. To fix it (when Intellisense is not working anymore), I just have to close the current tab (in which Intellisense is not working) and reopen it. There is no need to close Visual Studio or all the tabs.

blocks|key|437718|text|删除.suo文件。试试这个，在所有其他的失败之后，它对我起作用了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|437719|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Delete the .suo file. Try this, it worked for me after all else failed.

blocks|key|437623|text|我也有同样的问题。对我来说，选择文件最后一行的末尾，然后保存文件(ctrl-s)可以解决这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|437624|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I have the same problem. For me, selecting the end of the very last line of the file, and then saving the file (ctrl-s) fixes the problem.

blocks|key|437755|text|我有一些糟糕的xaml代码。它在编译时没有给出错误，但它仍然阻止intelliSense在xaml文件中正常工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|437756|我删除了以下代码来解决此问题:绑定“{Binding=+ReturnCode+&+Info}”|437757|“&”是问题所在|437758|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

I had some bad xaml code. It wasn't giving an error when compiling, but it was still preventing the intelliSense from working properly within the xaml file. 

I removed the following code to fix the issue:
Binding="{Binding ReturnCode &amp; Info}"

the '&amp;' being the problem

blocks|key|437821|text|这些对我来说都不起作用，但我最终通过禁用Resharper让它正常工作。我不确定为什么它是必要的，因为我有另一个LS解决方案，其中intellisense工作得很好。我只是想把它贴出来，以防其他人遇到和我一样的问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|437822|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

None of these worked for me, but I finally got it working by disabling Resharper.
I'm not sure why it was necessary because I have another LS solution where intellisense is working fine.
Just thought I'd post it in case someone else has the same problem I had.

blocks|key|219687|text|我遇到了同样的问题并解决了它。请记住，如果您正在使用Silverlight，任何错误的XAML代码都会导致IntelliSense崩溃。我建议如果你正在使用Silverlight，编译你的项目来检测错误的XAML代码，并在第一步解决它们，如果问题仍然存在，那么使用上面的步骤。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|219688|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

I encounter the same problem and solve it. Keep that in mind, if you are working with Silverlight any incorrect XAML code can crash IntelliSense. I suggest if you are working with Silverlight, compile your project for detecting incorrect XAML codes and solve them in first step and if the problem continues then use above steps.

blocks|key|219717|text|问题出在.vcproj文件上。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|219718|你会发现，如果你从调试模式切换到发布模式，构建，然后尝试intellisense，它通常是有效的。|219719|关闭Visual+Studio。如果在项目中搜索.vcproj文件，请编辑它们并搜索AdditionalIncludeDirectories的前两个实例。它的值应该类似于"..\，....\“，而不是"../..”。|219720|重新打开您的项目，让Intellisense完成构建，然后它应该被修复。|219721|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|$]]

The problem is with the .vcproj files.

You will find if you switch to release mode from debug mode, build, then try intellisense it often works.

Close Visual Studio. If you search for the .vcproj files in your project, edit them and search for the first two instances of AdditionalIncludeDirectories. The value for this should look something like "..\,....\" rather than "../..".

Reopen your project, let the Intellisense finish building, then it should be fixed.

blocks|key|438000|text|我有一个问题，剃刀智能感知在我的一个项目中根本不起作用。上面的修复方法对我都不起作用。我终于能够通过将web配置中的网页版本改为2.0.0.0而不是3.0.0.0来解决这个问题，如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|438001|<appSettings>
+++<add+key="webpages:Version"+value="2.0.0.0"+/>
+++...
</appSettings>|code-block|syntax|javascript|438002|我希望这对其他人有帮助。|438003|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I had an issue with razor Intellisense not working at all in one of my projects. None of the fixes above worked for me. I was finally able to resolve the issue by changing the webpages version in the web config to 2.0.0.0 instead of 3.0.0.0 shown below:

<pre><code>&lt;appSettings&gt;
 &lt;add key="webpages:Version" value="2.0.0.0" /&gt;
 ...
&lt;/appSettings&gt;
</code></pre>

I hope this helps someone else.

blocks|key|437703|text|以上这些都不能帮助修复我的devbox+(VS2012)上的智能感知。我甚至尝试了"devenv+/resetuserdata“，这导致了重新安装所有插件的必要性。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|437704|尽管如此，在C%2B%2B项目中，#if+ABC+...+#endif块的代码仍然是灰色的。|437705|作为临时解决方法，我将#if+ABC修改为#if+1//ABC，然后在编辑完块后恢复更改。很烦人..。|437706|编辑:几个小时后，我找到了更好的解决方案。我在头文件中注释掉了"#define+ABC+1“，并在项目属性->C/C%2B%2B->预处理器->预处理器定义中添加了"ABC=1;”。然后Intellisense开始正常工作！代码块不会灰显。|437707|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|$]]

None of the above helped to fix Intellisense on my devbox (VS2012). I even tried "devenv /resetuserdata" which resulted in necessity to reinstall all plugins.

Still, in C++ projects the code in #if ABC ... #endif blocks stay greyed out.

As a temporary workaround I modify #if ABC into #if 1//ABC, and then revert change back after I finish editing the block. Annoying...

EDIT: Few hours later I found better solution. I commented out "#define ABC 1" in the header file, and added "ABC=1;" to the Project Properties->C/C++->Preprocessor->Preprocessor Definitions. Then Intellisense started working correctly! The code blocks are not greyed out.

blocks|key|437881|text|我在Visual+Studio2013中遇到了类似的问题，我只是清理了解决方案，然后删除了4:关闭Visual+Studio2013并删除这个文件夹：%25AppData%25\Microsoft\VisualStudio\12.0，它就解决了这个问题。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|437882|entityMap^0|23|11|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

I was having a similar issue in Visual Studio 2013, I just cleaned the solution and then deleted 4: Close Visual Studio 2013 and delete this folder: <code>%AppData%\Microsoft\VisualStudio\12.0</code> and it solved the problem.

blocks|key|437939|text|我已经将我的问题与VS+Power+Tools破坏*.suo隔离开来。关闭VS，删除.suo，然后重新打开可以解决此问题。它还会删除该解决方案的所有个人设置。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|437940|我遇到的另一个破坏性较小的解决方案是使用“编辑项目文件”power命令，然后重新加载项目以使intellisense再次工作。|437941|希望这能帮助其他人。|437942|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

I've isolated my issues to be with VS Power Tools corrupting the *.suo. Closing VS, deleting the .suo, then re-opening fixes the issue. It also deletes all personal settings for that solution.

Another, less destructive solution I've run across is to use the "Edit Project File" power command and then reload the project to get intellisense to work again.

Hopefully that helps others.

blocks|key|219917|text|对于VS2013+-+ASP.NET+MVC5项目，解决这个问题的一个简单方法是卸载并重新加载特定的项目。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|219918|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

for VS2013 - ASP.NET MVC 5 Project, an easy way to fix this was to unload and reload the specific project.

blocks|key|438062|text|对于Python项目，我最终删除了隐藏的.vs文件夹、.sln文件和.pyproj文件。然后，我从现有代码重新创建了项目，Intellisense再次工作。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|438063|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

For a Python project, I ended up deleting the hidden .vs folder, .sln file, and .pyproj file. I then recreated the project from existing code and Intellisense is working again.

blocks|key|438112|text|关闭不起作用的标签为我做了这件事。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|438113|附注：我会提前保存，以防VS变得奇怪;)|438114|哦，快捷方式是Ctrl%2BAlt%2BSpace+(在建议和标准完成模式之间切换)|438115|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Closing the tab that doesn't work did it for me. 

p.s. I would save before hand, just in case of VS being weird ;) 

Oh, and the shortcut is Ctrl+Alt+Space (to toggle between suggestion and standard completion modes)

blocks|key|438151|text|我曾多次面对这个问题，现在我仍然面临着这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|438152|对我有效的解决方案是减少放置解决方案的路径的长度。我把解决方案放在更接近C驱动器的地方(c:/code/your_project.sln)，它刚刚解决了智能感知问题，这总是能解决问题。|438153|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|$]]

I faced this problems multiple times and I still face it too. 

The solution which worked for me was to reduce the length of the path where the solution is placed.
I placed the solution closer to C drive (c:/code/your_project.sln) and it just solved the intellisense problem
This always solves the problem.

blocks|key|219850|text|以上这些对我来说都不起作用。当仔细检查时，我注意到intellisense在一些文件上工作，但不是在所有文件上。然后发现它只有一个文件。最后打开包含以下内容的.proj文件：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|219851|++<ItemGroup>
<None+Include="App.config"+/>
<None+Include="packages.config"+/>
<Compile+Include="Generator.cs"+/>
<Compile+Include="PDFDocument2.cs"+/>
<None+Include="PDFDocument.cs"+/>
<Compile+Include="PdfDaemon.cs"+/>
<Compile+Include="Properties\AssemblyInfo.cs"+/>|code-block|syntax|javascript|219852|​|219853|当然，对于未标记为要编译的文件，intellisense不起作用。|219854|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|6|7|P|8|@]|9|@]|A|$]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

None of the above worked for me. When examining closer, I noticed that intellisense worked on some files but not on all files. And then discovered it was only one file. Finally opened the .proj file which contained:

<pre><code> &lt;ItemGroup&gt;
&lt;None Include="App.config" /&gt;
&lt;None Include="packages.config" /&gt;
&lt;Compile Include="Generator.cs" /&gt;
&lt;Compile Include="PDFDocument2.cs" /&gt;
&lt;None Include="PDFDocument.cs" /&gt;
&lt;Compile Include="PdfDaemon.cs" /&gt;
&lt;Compile Include="Properties\AssemblyInfo.cs" /&gt;
</code></pre>



Of course intellisense doesn't work on the file that is not marked as to be compiled.

My colleagues and I are using VS2012 for some weeks now. Sometimes after working several hours the intellisense is broken. After closing all open tabs it works again.

Are there more people out there having the same problem? It can't be an extension problem because I have the same problem at home. Maybe there is a workaround for this?

Visual Studio 2012 - Intellisense sometimes disappearing / broken

我和我的同事已经使用VS2012好几个星期了。有时，在工作几个小时后，智能感知就会中断。在关闭所有打开的选项卡后，它将再次工作。有没有更多的人有同样的问题？这不可能是一个扩展问题，因为我在家里也有同样的问题。也许有解决这个问题的办法？

问Visual Studio 2012 -智能感知有时会消失/损坏
EN

回答 16

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问Visual Studio 2012 -智能感知有时会消失/损坏EN

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