Using C# 7.1 with MSBuild

Question

To use the new C# 7.1 language features with Visual Studio 2017, you add the setting latest to your project file(s).

Answer 1

Nuget packages

• Microsoft.Net.Compilers nuget package does not work and needn't to be installed.

Set the following project/build settings

• Set at least C# 7.1 or higher in the Debug and Release build properties. (via: Project menu > [ProjectName] Properties > Build tab > [Advanced] button > Language Version).

• Setting it to latest does not work.

Also make sure that you are running the latest MSBuild version.