Visual Studio 2015

Welcome to the Visual Studio 2015 UserVoice site. This site is for suggestions and ideas for the IDE of Visual Studio (Community, Professional or Enterprise). You can also add suggestions for Team Services or Visual Studio Code. Or go to Connect to file a bug.

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  1. It would be nice to have DesigntimeValue in Binding

    Like this:
    <Rectangle Fill="Blue" Width="{Binding SomeProp, DesignTimeValue=200}"/>

    I rolled my own:
    <Rectangle Fill="Blue" Width="{local:DesigntimeBinding Meh, DesignTimeValue=200}"/> but it gest so ugly with prefix etc.

    I think this would make the designtime experience much better. Nice to change it in place and not have to find and edit dummy data.

    7 votes
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      1 comment  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
    • Add Microsoft.Build.Evaluation.Solution to handle reading and writing of solution files

      The Microsoft.Build.Evaluation.Project namespace has some great tools for reading and writing project files. Unfortunately, there is no such equivalent for reading or writing Solution files. Please add this =)

      Also, these ideas are good: http://visualstudio.uservoice.com/forums/121579-visual-studio/suggestions/2035831-xml-format-of-solutions-files-sln-

      Cheers
      John

      7 votes
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        0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
      • Please, make each GC run cheaper

        currently, one .NET process shares one GC. making as program gets bigger, cost of GC gets worse and worse and there is no clear way to avoid this problem. most of time, due to this issue, people creates outer proc just to avoid GC cost when doing big analysis or allocation heavy operations. and remote data between these two processes.

        please, make better solution and this. explicitly moving data between processes are pain in the ***. this problem basically makes .NET only for small apps. but not for serious apps.

        ...

        one solution I can think of to mitigate this…

        7 votes
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          0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
        • Value Changed event: eventargs should return old and new value

          I'm renewing a suggestion that I first made during the beta phase of VS 2005.

          The ValueChanged/TextChanged events on Controls should have old and new values in the eventargs. The response I got from MS at the time was that it was too late in the beta cycle to implement it in .NET 2.0. I had hoped it would have been included in .NET 4.0 and the new CLI/CLR.

          I have started to develop a new Project where this would be beneficial so I'm renewing this suggestion hoping it will get enough votes to be considered for .NET Framework 5.0

          7 votes
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            0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
          • Extend the SqlBulkCopy exception message

            Display the column name in the exception message when the WriteToServer() function throws the "The given ColumnMapping does not match up with any column in the source or destination." exception. So it is easier to find out what causes the exception.

            7 votes
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              0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
            • Making a NotImplementedAttribute that would give an warning when it's attached to a method, just like the Obsolete

              A simple question: Why there isn't any NotImplementedAttribute in .NET?

              You can always throw the exception, but I think it would be nice for this to work as the ObsoleteAttribute -> you get an warning for using that method.

              Ok, you have a method with this attribute, and when you implement it you have to remove the attribute by hand, but I think this is safer than using methods with throw new NotImplementedException() inside...and wait for them to get called.

              I remember reading that the Obsolete is hard coded into the compiler, but maybe there is some spare room for…

              7 votes
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                0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
              • Provide an actual module name that can't be loaded in FileNotFoundException.

                If an assembly depends on dll and this dll can't be loaded (or located) FileNotFoundException is thrown, something like this:

                An unhandled exception of type 'System.IO.FileNotFoundException' occurred in SOME_ASSEMBLY.dll
                Additional information: Could not load file or assembly 'SOME_ASSEMBLY.dll' or one of its dependencies. The specified module could not be found.

                from that point you need to use Dependency Walker or ProcessMonitor in order to find which dll wasn't loaded.

                Could you please provide the name of actual dll that failed to load?

                6 votes
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                  0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                • .. webforms

                  Visual Studio is the most Intuitive, feature-rich IDE, ...hands-down. ASP.5 is amazing, but removes the RAD-aspect, pushing your potential and existing User-Base to adopt Online Form/Base Builders (Formstack, KnackHQ .... ). Try to port the 'Legandary/Legacy' concept behind Webforms (controls, properties, events, design-view ....) into ASP.NET Webpages (Razor), ability to process UI events in the vb.html files. Thank you for the consideration and for delivering such an amazing product.

                  6 votes
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                    0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                  • Allow custom format strings for boolean values

                    I would like to be able to specify how string.Format displays the True and False values of Boolean variables.

                    For example I would like the following C# snippet to output "Boiler: On" rather than "Boiler: True":

                    bool boilerIsOn = true;
                    Console.WriteLine("Boiler: {0:On:Off}", boilerIsOn );

                    6 votes
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                      1 comment  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                    • Windows Services in .NET Core

                      Create modern alternative for windows services that we can use to create background worker for Windows, Linux, Azure and maybe even Windows Mobile. It should use project.json, maybe support .net native and should be easy to deploy like web application.

                      6 votes
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                        0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                      • Improve linq query syntax and keywords

                        please improvement linq query syntax and keywords that same t-sql query for easy and better create queries over objects and databases.
                        we neeeds:
                        1.left/right outer join, inner join, cross join
                        2.groupby and having and aggregate functions
                        3.insert, update and delete
                        4.sub query and in
                        5.and more...

                        6 votes
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                          0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                        • Support for NTFS Transactions

                          Provide classes for using NTFS in transactional way, with support for TransactionScope.

                          6 votes
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                            0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                          • Allow custom AddInProcess names when using System.AddIn

                            When using System.AddIn framework via process isolation, every AddIn process shows up as AddInProcess32.exe in the task manager. Please allow us to rename the name that shows in the taskmanager so that it's more descriptive for users?

                            6 votes
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                              0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                            • There may be a future that when ever user mouse over any bracket it should display the line number of closing bracket and vise versa.

                              There may be a future that when ever user mouse over any bracket (start / close) it should display the line number of closing / start bracket and vise versa.

                              6 votes
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                                0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                              • binding configuration timeout in the right order

                                In the automated app.config wcf binding configuration of a service, the timeout can be ordered as they happen.

                                The order is now:
                                closeTimeout, openTimeout, receiveTimeout, sendTimeout

                                it could be:
                                openTimeout, sendTimeout, receiveTimeout, closeTimeout

                                6 votes
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                                  0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                • Add factory method to NotifyCollectionChangedEventArgs

                                  The class NotifyCollectionChangedEventArgs has 11 constructors, dealing with add, remove, replace, move, and reset actions, and single or multiple changed items.

                                  I think we can create 5 static facotry methods, for example,
                                  NotifyCollectionChangedEventArgs.CreateAdd(IList)
                                  NotifyCollectionChangedEventArgs.CreateAdd(object)
                                  NotifyCollectionChangedEventArgs.CreateAdd(IList,int index)
                                  etc.

                                  NotifyCollectionChangedEventArgs.CreateRemove(IList)
                                  ...

                                  I think with these facotry method, we can create our desipred instance quickly.

                                  6 votes
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                                    0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Provide an interface IParsable<T>

                                    Provide an interface like

                                    public interface IParsable<T>
                                    {
                                    T Parse(String)
                                    Boolean TryParse(String, out T result)
                                    }

                                    so it is possible to write more generic parser logic.

                                    6 votes
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                                      0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Add Efficient XML interchange support to .NET

                                      There are several projects which purport to be .NET implementations of Efficient XML Interchange, but there is no .Serialize .Deserialize support for EXI that mirrors that for XML and JSON in .NET. EXI has the opportunity to become a very important player in all sorts of things from the desktop to the web to the .NET micro framework, and it would make a lot of sense to adopt it as a key player BEFORE it is needed.

                                      6 votes
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                                        0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                      • try using statements to avoid some nesting

                                        try using (StreamWriter writer = File.AppendText(path))
                                        {
                                        writer.WriteLine(line);
                                        }
                                        catch (IOException
                                        {
                                        throw;
                                        }

                                        would be nicer syntax than

                                        try
                                        {
                                        using (StreamWriter w = File.AppendText(path))
                                        {
                                        w.WriteLine(line);
                                        }
                                        }
                                        catch (IOException)
                                        {
                                        throw;
                                        }

                                        6 votes
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                                          0 comments  ·  .NET  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Provide a step by step wizard for MVVM across all platforms with data connectivity

                                          Provide a step by step wizard for MVVM across all platforms with data connectivity

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