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. Add F# support for .NET Native

    I had a conversation with @xyziemba and @dotnet on Twitter recently about the .NET Native toolset and features. I understand the F# is not supported at the moment and that support is unlikely to come in the VS 2015 RTM timeframe. I'd like to suggest that you consider adding this support as soon as possible - even if it means some time after the RTM of VS 2015.

    Since I couldn't find a UserVoice request for this - I wanted to put this in.

    Thanks,
    Krishna

    2,692 votes
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      12 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
    • Provide refactoring support for F# code.

      Currently F# IDE integration into visual studio does not have any refactoring support. It would be nice to at the very least be able to handle renaming.

      1,620 votes
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        17 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
      • Improve project F# model

        Improve F# project model (at least, add directions support). Maybe some extension to the language itself would be pretty good: #require "filename" to indicate that filename must be compiled before current file.

        497 votes
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          under review  ·  15 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
        • add support for Windows Store apps written in F# ... show that F# can be superior to C# even when it comes to more common tasks like GUI dev

          add support for Windows Store apps written in F# (FSharp) ... to show that F# can be superior to C# even when it comes to more common tasks like GUI development.
          <a href="https://github.com/dmitry-a-morozov/fsharp-wpf-mvc-series/wiki/Intro&quot; > link </a>

          482 votes
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            under review  ·  11 comments  ·  Languages - F# 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 →
            • Better code navigation in F#

              Bring over the code navigation features found in the VB.NET/C# Visual Studio experience, such as Find All References and Call Hierarchy

              315 votes
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                4 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
              • Make go-to-definition and find-references work between F# and C# projects

                In a solution containing a mixture of C# and F# projects, go-to-definition does not work when your starting point is, say, C# and the target function/value/type definition is in F#. (And vice versa.) The same is true for find-all-references.

                This is a major inconvenience when working on this kind of mixed codebase. It would be great if it could work in both directions but even go-to-definition would be a great start.

                310 votes
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                  4 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                • 183 votes
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                    under review  ·  2 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                  • 148 votes
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                      0 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                    • F#: Implement a proper expression evaluator in the Visual Studio Debugger

                      I think it is disappointing that F# still (in Visual Studio 11) does not have it's own Expression Evaluator in Visual Studio when debugging.

                      Simple things are annoying like:
                      - not being able to watch, evaluate, or hover over a variable in F# that does not have a valid C# identifier
                      - e.g. someBinding'
                      - or ``The cool string type identifiers``

                      - switching between syntaxes. It may seem sometimes that C# and F# are close enough, but there are some substantial differences. Evaluating an expression from F# code oft needs rewriting before it can be seen in a watch, if…

                      79 votes
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                        under review  ·  1 comment  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                      • change the behavoiur for double click on double backtick identifiers to select only a single word

                        If I double click on a word I assume the word gets selected and nothing else. This doesn't work inside of double backticks. It always selects the whole identifier since it doesn't understand that the identifier is a sentence and not a single word.

                        see also https://github.com/Microsoft/visualfsharp/issues/243

                        45 votes
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                          under review  ·  7 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                        • Make fsproj Files Include All Files by Default and have a separate File for Compilation Order

                          For anyone trying to do web development in F#

                          Having a nested tree structure of Files (like CSS HTML JS) is a real pain to add to an FSProj and as a result I don't use Visual Studio for this.

                          So I'm suggesting you
                          - Make FSProj include all files by default and instead you'd add the files (or wild characters) you want to exclude
                          - Have a separate file (or section) that allows you to specify compilation order

                          This will make it easy to embed non-compilable assests to your fsproj without pulling your hair out

                          44 votes
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                            2 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                          • Make existing Visual Studio visual designer and extensible enough to be available for other programming language such as F# as well

                            I don't know how to write this suggestions clearer than the current title. I'll try to explain the background of this suggestions
                            This is the current situations in VS 2012:
                            1. F# has included as one of first class language since VS 2010
                            2. F# user base has grown larger than before, thanks to #1, Microsoft! But unfortunately? (read next)
                            3. Can't create ASP.NET project template using F# other than C# or VB.
                            4. Can't create WPF (hence Silverlight) project visually using F# (again, other than using C# or VB)
                            5. Can't create visual Windows Store app using F#, just…

                            43 votes
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                              2 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                            • 39 votes
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                                under review  ·  3 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                              • Add folders for Visual F# Projects

                                Realted to this post: http://stackoverflow.com/questions/5918534/why-cant-i-add-a-subfolder-in-a-f-project

                                When using type providers, you ofen need to keep a static file to declare the type. Having a folder where I keep all of these files (versus scattered in my project's main folder) would be very helpful

                                32 votes
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                                  3 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                • Enable --warnon:1182 (unused variables) in F# Warning Level 3 or 4.

                                  I wonder why this warning and the associated wiggly underlines in the editor are not enabled in any of the 5 warning levels. I find this warning absolutely essential for programming F# to keep the code clean and free of subtle bugs in functions that shadow identifiers.

                                  28 votes
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                                    1 comment  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Improve Visual Studio Object Browser Support for F#

                                    The Visual Studio Object Browser is an invaluable source of information to learn the API of third-party libraries or frameworks.
                                    However, when such libraries are written in F#, much of the relevant information is either missing or only indirectly recognizable (in CLI-compiled form).

                                    In descending order of precedence, the following issues tend to impede productivity in larger projects:

                                    - Type aliases cannot be found. Therefore, short of try and error, there is no way of figuring out what namespace has to be opened to access an alias. It gets even more involved when the alias resolves to yet another alias…

                                    16 votes
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                                      0 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                    • fsx-scripts: #r - reference nuget packages

                                      When all the packages updates, I have to manually update all the references:

                                      #r "../packages/Microsoft.Owin.Security.Facebook.2.1.0/lib/net45/Microsoft.Owin.Security.Facebook.dll"
                                      #r "../packages/Microsoft.Owin.Security.MicrosoftAccount.2.1.0/lib/net45/Microsoft.Owin.Security.MicrosoftAccount.dll"
                                      #r "../packages/Microsoft.Owin.Security.Google.2.1.0/lib/net45/Microsoft.Owin.Security.Google.dll"
                                      #r "../packages/Microsoft.Owin.Hosting.2.1.0/lib/net45/Microsoft.Owin.Hosting.dll"
                                      #r "../packages/Microsoft.Owin.Diagnostics.2.1.0/lib/net40/Microsoft.Owin.Diagnostics.dll"
                                      #r "../packages/Microsoft.Owin.Security.2.1.0/lib/net45/Microsoft.Owin.Security.dll"
                                      #r "../packages/Microsoft.Owin.StaticFiles.2.1.0/lib/net40/Microsoft.Owin.StaticFiles.dll"
                                      #r "../packages/Microsoft.Owin.FileSystems.2.1.0/lib/net40/Microsoft.Owin.FileSystems.dll"
                                      #r "../packages/Microsoft.Owin.Host.HttpListener.2.1.0/lib/net45/Microsoft.Owin.Host.HttpListener.dll"

                                      16 votes
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                                        2 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Move user settings out of .fsproj file

                                        Command line parameters for debugging are stored in the F# project file. This makes it hard to keep your commits clean.

                                        My suggestion is to do the same as C#, where this information is stored in .csproj.user, which is not put in version control.

                                        This doesn't really have anything to do with the language itself, but it *is* part of the package.

                                        14 votes
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                                          0 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Support rich debugging of F# scripts

                                          F# developers love the low-overhead, iterative REPL experience they have today, but when scripts become larger and more complex, they become difficult to debug. There is no interaction whatsoever today between Editor + F# Interactive and the VS Ddbugger. Thus to debug complex scripts, devs must resort to one of:

                                          - `printf` debugging
                                          - Create a console app, paste in script code, F5-debug the console app

                                          It would be much nicer if we could have the VS debugger participate in the F# script workflow directly.

                                          11 votes
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                                            0 comments  ·  Languages - F# Tools  ·  Flag idea as inappropriate…  ·  Admin →
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