Visual Studio IDE

Welcome to the Visual Studio UserVoice site. Let us know what you would like to see in future versions of the Visual Studio suite of products. This site is for suggestions and ideas. If you need to file a bug, you can visit our Developer Community website to get started. 

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  1. Allow precompiled headers to be shared between projects

    In Visual Studio 2008 and earlier, I believe you could (by an unsupported method) allow one project to generate a precompiled header which other projects could then use. But I understand this is not possible, or only works in limited ways in VS 2010 and later.

    Please add official support for allowing a precompiled header to be shared between projects.

    As a nice to have it would also be ideal if more than one precompiled header could be used by a project so that both a shared and project specific precompiled header could be used.

    See also:

    http://social.msdn.microsoft.com/Forums/vstudio/en-US/665d4183-f85c-481d-bada-03283b310099/shared-precompiled-header?forum=vclanguage

    http://stackoverflow.com/questions/14048212/can-i-share-a-precompiled-header-between-projects-to-reduce-compile-time

    457 votes
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      20 comments  ·  Languages - C++  ·  Flag idea as inappropriate…  ·  Admin →
    • Enable IntelliTest to generate tests for VB.NET projects

      Please extend IntelliTest to enable generating tests for VB.NET projects.

      456 votes
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        under review  ·  29 comments  ·  Test Tools  ·  Flag idea as inappropriate…  ·  Admin →
      • Workflow Status Designer/Visualizer on the Web

        The idea is to show the status of workflow graphically. Typically we can do it by re-hosting the designer in a Rich Client, but the web equivalent is rather painful. Need a new HTML5 implementation. I have been planning on starting an open source version for a LONG time now, need the right kick in the pants to get down in. In my lob app I am using a highly customized version that spits out ImageMaps (sooooo web 1.0)...

        Once the visualizer is up, extend it to do small designer functionalities. Something akin to Nintex's workflow designer for Sharepoint. Something…

        452 votes
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          7 comments  ·  Windows Workflow Foundation  ·  Flag idea as inappropriate…  ·  Admin →
        • Sql Server Compact 5

          Please work on the next version of sql server compact and continue supporting in visual studio. sql server compact is the best .net lite and embed database support data types,entity framework and embedding and use in the many of projects. please add support ssdt for database designer,in memory database, new nosql datatype, procedural sql command, column store index, triggers, REST request, odata, client sides api and others.

          449 votes
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            24 comments  ·  SQL Server and Data Tools  ·  Flag idea as inappropriate…  ·  Admin →
          • Support IntelliSense and underlining of errors in F# Interactive

            It's a big annoyance to not have auto completion there. C# Interactive from Roslyn supports it, and even the Immediate pane of C# and VB also have it

            445 votes
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              under review  ·  9 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
            • C++ compiler should warn about wrong member initialization order

              Every few years this suggestion emerges and I think now is the time for next iteration.
              In C++ the order of class/struct member initialization is determined by the order of member declaration and not by the order of their appearance in member initialization list. It is therefore extremely easy to to write a code that is very hard to find, e.g.:

              struct S {
              int a;
              int b;

              S( int i ) : b(i), a(b+1) {}
              };

              int main()
              {
              S s(42);
              }

              and we have garbage in s.a what might be not obvious for a novice programmer.
              GCC issues…

              439 votes
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                8 comments  ·  Languages - C++  ·  Flag idea as inappropriate…  ·  Admin →
              • Support c++11 concurrency header files in c++/cli

                When using the /clr switch in VC++ 2012, it is not possible to include some of the new c++11 header files (i.e. <atomic> / <thread>) as compilation will break.

                One typical application of c++/cli is to wrap a native class inside a (managed) ref class to expose its functionality to the .net world.

                The restriction previously described prevents a ref calss to consume a native class with members like std::thread or std::atomic<T>.

                A workarround (pimpl-idiom) is discussed in this topic:
                (http://social.msdn.microsoft.com/Forums/en-US/vclanguage/thread/9771f61c-05b7-4e3e-96fb-ac9ea31ac3f4)

                The former approach requires to change existing code, therefore support for the new c++11 header files in…

                430 votes
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                  12 comments  ·  Languages - C++  ·  Flag idea as inappropriate…  ·  Admin →
                • Support server SSL certificate chain inspection in Portable Class Libraries

                  As requested in http://visualstudio.uservoice.com/forums/121579-visual-studio/suggestions/3158400-add-httpclient-support-in-portable-class-libraries there is now an HttpClient that can be used in Portable Class Libraries. The latest version of portable HttpClient today is 2.2.15 and it supports also SSL connections.

                  When a SSL connection is created, the HttpClient doesn't offer any way to inspect the x.509 certificate chain returned by the remote server. I want to implement certificate pinning for additional security in my app and therefore I need an API to read the values of individual x.509 certificates.

                  I've understood that this could be done in these frameworks:
                  - .NET FW 2.0 (or newer): using System.Net.ServicePointManager.ServerCertificateValidationCallback API…

                  427 votes
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                    9 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                  • support Spec Explorer in Visual Studio 2013

                    Spec Explorer 2010, a model-based testing tool extension is supported in Visual Studio 2010/2012, this suggestion is to make it work with Visual Studio 2013.

                    426 votes
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                      27 comments  ·  Test Tools  ·  Flag idea as inappropriate…  ·  Admin →
                    • Support Android API Level 24

                      Please add support for Android API Level 24

                      424 votes
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                        22 comments  ·  VS Emulator for Android  ·  Flag idea as inappropriate…  ·  Admin →
                      • Make VB run on Xamarin

                        Now that Microsoft has acquired Xamarin, and if Xamarin becomes a standard feature of Visual Studio, it would be great if you could allow Xamarin to be used in VB along with C#!

                        422 votes
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                          22 comments  ·  Languages - Visual Basic  ·  Flag idea as inappropriate…  ·  Admin →
                        • Show Exceptions in IntelliSense

                          Exceptions are not visible anymore in the Visual Studio 2015 IntelliSense list members dialog.

                          Please bring this back.

                          Visual Studio 2015:
                          https://msdn.microsoft.com/en-us/library/hcw1s69b(v=vs.140).aspx

                          Visual Studio 2013:
                          https://msdn.microsoft.com/en-us/library/hcw1s69b%28v=vs.120%29.aspx?f=255&MSPPError=-2147217396

                          419 votes
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                            4 comments  ·  Languages - C#  ·  Flag idea as inappropriate…  ·  Admin →
                          • Add ctrl-click go to definition from Productivity Power Tools

                            The VS2010 Productivity Power Tools had a ctrl-click go to definition feature. This was great and could be an easy option to add (does not need to be on by default).

                            416 votes
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                              24 comments  ·  IDE and Editor  ·  Flag idea as inappropriate…  ·  Admin →

                              Hi Supporters

                              Work has started on including this feature in a future release of Visual Studio.

                              In line with many comments in this thread, we’re planning to provide a means to change the modifier from Ctrl+Click to other options for those who would like to keep Ctrl+Click for selecting words.

                              Thanks!
                              Mark Wilson-Thomas
                              Program Manager, Visual Studio Editor Team

                            • Optimize Math functions

                              Currently the JITer doesn't do a good job with a lot of the .Net Framework, and the Math functions in particular.

                              Example: Math.Abs

                              The emitted assembly is pretty much the same for all types. It should optimize to take advantage of x86 instructions that have been around for more than a decade.

                              cdq
                              xor eax,edx
                              sub eax,edx
                              ret

                              414 votes
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                                7 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                              • Allow conditional compile statements in XAML markup

                                Allow the XAML markup editor to allow conditional compile statements so that a developer could have #ifdef statements in their markup

                                410 votes
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                                  2 comments  ·  UWP / WPF / XAML Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                • Starting then running all unit tests in a solution can take a very long time.

                                  We have over 200 projects, 2900+ unit tests. It takes over a minute some times to get to the point where it can start listing all the unit tests in the test window, and start executing. We have latest gen Core I7, 8GB 64 bit windows, and it is still a pain. Maybe this area needs 're-imagining', as I can understand the complexities of managing this large number of projects/tests, but it is not working well for us.

                                  409 votes
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                                    31 comments  ·  Test Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                  • XML format of solutions files (.sln)

                                    Current format of solutions (.sln) files is very complex and is not XML. Current format prevents to make the merge operations and various automation actions. Visual Studio solutions files must be in recognized XML format (like MSBuild files).

                                    400 votes
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                                      10 comments  ·  Project  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Identify and Nest Dependent Files in Solution Explorer using Right Click Menu

                                      Identify and Nest Dependent Files in Solution Explorer using Right Click Menu.

                                      Allow us to nest files in solution explorer without having to edit the csproj file. For example, we have 4 files that are breeze.*.js, and I like to nest them as dependent on breeze.js so they show up collapsed in solution explorer.

                                      Currently we edit the csproj file to do this, and we also do it for css and for custom js. Another example:

                                      repositories.js
                                      -- attendee.repository.js
                                      -- session.repository.js
                                      -- speaker.repository.js
                                      -- lookup.repository.js
                                      -- abstract.repository.js

                                      For files like jQuery that have 4 or 5 dependent files this is…

                                      388 votes
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                                        9 comments  ·  Project  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Only display real errors on "Error List" after compilation (option?)

                                        If you open a large XAML project, it's not uncommon to have a lot of false errors displayed in "Error List" tab, (mainly about XAML files)

                                        Is it possible to add a button to clear completely this list and display only real errors detected by the compiler (just a simple parsing of the compiler output) ?

                                        It would help a lot of developers cause the only solution right now is to copy-paste the output in Notepad and search "error"...

                                        See the attachment

                                        388 votes
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                                          7 comments  ·  UWP / WPF / XAML Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Add TryRemove(TKey key, out TValue value) to Dictionary<TKey, TValue>

                                          Currently, to "pull" an item out of a Dictionary it is a two step process:

                                          SomeClass value = null;
                                          if (dictionary.TryGetValue(theKey, out value))
                                          {
                                          dictionary.Remove(theKey);
                                          // do something with the item...
                                          }

                                          This requires the hash code to be generated twice, which can be costly in high performance scenarios (which is why TryGetValue exists in the first place).

                                          It would be optimal to be able to do:

                                          SomeClass value = null;
                                          if (dictionary.TryRemove(theKey, out value))
                                          {
                                          // do something with the item...
                                          }

                                          Implementation would be trivial and provide significant benefit.

                                          387 votes
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                                            12 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
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