Can I Use C# 7 Features in Visual Studio 2015?

Visual Studio 2015 and C# 7: The Complete Guide

While Visual Studio 2017 fully supports C# 7 features, Visual Studio 2015 users may be wondering whether they can also take advantage of this latest version of the language features. This article answers this question and provides a step-by-step guide on how to integrate C# 7 in Visual Studio 2015.

Can Visual Studio 2015 use C# 7?

Yes, it is possible to use C# 7 features in Visual Studio 2015. However, this requires installing a NuGet package.

Steps to use C# 7 in Visual Studio 2015

1. Install the Microsoft.Net.Compilers NuGet package:

   • Open the NuGet Package Manager in Visual Studio 2015.
   • Search for the "Microsoft.Net.Compilers" package.
   • Install the latest version of the package.

2. Refer to the installed package:

   • Right-click on the project node in Solution Explorer.
   • Select "Manage NuGet Packages".
   • In the left pane, make sure the Packages tab is active.
   • Find the "Microsoft.Net.Compilers" package and make sure it is referenced in the project.

3. Install the System.ValueTuple NuGet package (optional):

   • If you want to use the new tuple features of C# 7, please install the "System.ValueTuple" NuGet package.

Notes

While C# 7 code will compile using this method, it may display red squiggly lines indicating syntax errors. This is a known issue with Visual Studio 2015 and does not necessarily indicate an actual bug.

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