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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- The Visual Studio Team
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  1. Make bitCount() method for value types

    Right now there is no way to access very useful popcnt SSE instruction from C# (any other .net language) While in java there is a method int.bitCount()

    The idea is to make the same thing for .net and this method can use popcnt instruction if it is available or any other implementation if it's not.

    4 votes
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      0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
    • Distribute Job like System.Threading.Tasks.Parallel for GPU Core with C#, .NET

      some time the data is too much for my CPU process and use more time, i found someone use CUDA for use the GPU to process them, so in C# is not easy to use it now, i found C# have

      System.Threading.Tasks.Parallel.For()

      it is useful for use the multi trading but not enough for many job in one time process

      we want the GPU help us process it by C# Like

      System.Threading.Tasks.Parallel.ForGPU()

      like this,

      4 votes
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        1 comment  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
      • One click update of COM wrappers in .NET languages.

        .NET is treating native ActiveX components like legacy but that is how I communicate with my DirectX 11 graphics engine written in C++.

        When using the engine from Visual Basic 6, you get a notification when an update is available and just click to use the new version.

        In Visual Basic .NET however, you can't make any changes to the interface while developing a new version because the wrapper is locked and the easiest way to delete the old version of the wrapper is to delete the whole project and pick modules one by one into a new project since…

        4 votes
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          0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
        • Please support/extend .Net Micro Framework on existing and new platforms

          It seems that Microsoft has made the .Net Micro Framework Open source because they didn't want to spend time and resources on it. At least that's what it seems from the outside.

          I would like to see the .Net Micro Framework supported as well as continually extended with active participation by Microsoft.

          4 votes
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            0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
          • 4 votes
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              0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
            • Enum Inheritance

              I have lists of things that I want to set up in shared classes for other developers to work with and Enums work great for that, especially since they enforce uniqueness(as long as values are not defined for the members, but that is another issue).

              It would be cool if I could have a way to set up hierarchical lists of things that are still unique but allow for a level of categorization in their definition.

              4 votes
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                1 comment  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
              • 4 votes
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                  0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                • Additional special access level for nesting and nested types

                  There is no special access level that allows nesting types to exclusively access nesting types and vice versa. This limits usefulness of nested types. It seems that the whole idea of having nested class is to provide special way of "communications" between nesting and nested classes in a way not accessible from/by outside "world".

                  Let's say that we have two more access levels:

                  - ForNesting - allows access from inside the type and also from the nesting type (including from more than one level up). Should be applicable to, at least, Procedures, Properties and Member Variables, and also to Constructors.…

                  4 votes
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                    4 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                  • ConcurrentDictionary and Dictionary: Please add methods to retrieve original key with value

                    Currently there's no way to retrieve the original key that was in use when value was added to ConcurrentDictionary (same apply to regular Dictionary). Please add overloads that allow to retrieve original key together with the value.
                    For example, today ConcurrentDictionary has TryGetValue(TKey key, out TValue value) and the new overload would be then TryGetValue(TKey key, out TKey originalKey, out TValue value).

                    This functionality is very useful if the dictionary has custom comparator. For example for strings it may be StringComparer.OrdinalIgnoreCase. And then for every string, with different case that matched by comparator, dictionary would report that it has value…

                    4 votes
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                      1 comment  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                    • WebRequest's RegisterPrefix in C#'s modern HttpClient

                      The WebRequest class in .NET exposes a method named RegisterPrefix that allows us to register own prefixes similar to "http://", "ftp://" and allow custom code to be executed which resolves that prefix.

                      Can a similar capability be added to the more modern HttpClient library?

                      4 votes
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                        0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                      • Implement Bulk Insert in Entity Framework

                        Currently, there is no Bulk Insert option available in Entity Framework.

                        The alternate options include using a 3rd party product or use System.Data.SqlClient.SqlBulkCopy. SqlBulkCopy is not integrated with DbContext.

                        Adding direct Bulk Insert capability to Entity Framework simplifies applications that need to implement Bulk Insert operations.

                        4 votes
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                          0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                        • 4 votes
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                            0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                          • Include reports in TFS or Release Management

                            I would like there to be a list of SSRS reports created for TFS Release Manager.

                            4 votes
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                              0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                            • Improve KeyNotFoundException - specify Key and Dictionary names

                              The KeyNotFoundException error message is one of the worst and it needs to be improved. The error message needs to state the name dictionary and the name of the key.

                              Current:
                              System.Collections.Generic.KeyNotFoundException:
                              The given key was not present in the dictionary.

                              Desired State:
                              System.Collections.Generic.KeyNotFoundException:
                              The given key "Ford Fusion" was not present in the dictionary "Airplanes made by Boeing".

                              4 votes
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                                1 comment  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                              • Create a Postman like service for testing web api restful calls

                                1. Keep all the functionality in house using visual studio. Create a Postman like feature to visual studio for testing json posts to web api restful api. Allow for (Delete, Put, Post, and Get) features to the tool

                                4 votes
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                                  0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                • Revise shameful MSDN sample code

                                  In many cases MSDN sample code is shameful. Look at this: https://msdn.microsoft.com/en-us/library/te15te69(v=vs.110).aspx

                                  1. Bad resource usage
                                  2. Bad TCP/socket code
                                  3. Bad crypto
                                  4. Bad error handling

                                  This piece of code is representative for what is commonly found on MSDN. In particular all socket code seems to be done by, no disrespect, an intern. If you show such code samples to expert devs at Microsoft they will be ashamed that this code has been put out.

                                  This is not good enough. I must have answered hundreds of Stack Overflow questions now from people who have been mislead into bad and…

                                  3 votes
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                                    under review  ·  0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Stop adding tooling for soon to be dead technologies

                                    VS should stop adding tooling for the soon to be dead web technologies.

                                    Promoting use of the near dead web technologies/tools is a disservice to your corporate customers.

                                    Track the tooling for technologies added to VS (e.g., grunt, bower) in the last 5 years and how many of those technologies are dead.

                                    https://hackernoon.com/how-it-feels-to-learn-javascript-in-2016-d3a717dd577f#.jk4xlrd8m

                                    How it feels to learn javascript in 2016 paints a picture of the double barrel shoot yourself in the foot.

                                    3 votes
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                                      0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                    • No hagan sus paquetes tan pesados

                                      Visual C++ es un basic en visual studio, me encontre con elo inconveniente de que en la instalacion rapida no se descarga visual c++.
                                      Fue un error de mi parte pensar que era un paquete basico y que se descargaba junto con la instalacion rapida.
                                      Buen día, espero su pronta respuesta.

                                      3 votes
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                                        0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Provide a 'Use HTTPS' option when creating a new web application

                                        When creating a new web application in Visual Studio such as Web API app or MVC app... In the create project dialog, a user should have to option to 'Use HTTPS' by default for the web application.

                                        3 votes
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                                          0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Allow custom marshaling on arrays in structs

                                          For some reason, you can't use the MarshalAsAttribute with UnmanagedType.CustomMarshaler on an array when the array is inside a (sequential layout) struct. The IDE and compiler don't complain, but it will always throw an exception at runtime. This makes it bizarrely difficult to solve problems such as this one: http://stackoverflow.com/questions/5902103/how-do-i-marshal-a-struct-that-contains-a-variable-sized-array-to-c; you have to put the MarshalAsAttribute on parameters of array types (rather than putting it *inside* a struct once, and having the struct contain the array type) and consequently you lose the ability to do things like custom constructors, etc. for your array type.

                                          3 votes
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                                            0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
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