Visual Studio: Suppress warnings for all files in a namespace [duplicate]

Question

I have following namespaces in my project.

I want to disable a specific warning on a specific namespace (lets say Project.ViewModels). I can disable a warning on one files by doing this in the GlobalSuppression.cs

[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Formatting", "RCS1057:Add empty line between declarations.", Justification = "<Pending>", Scope = "type", Target = "~T:Project.ViewModels.MainViewModel.cs")]
[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Formatting", "RCS1057:Add empty line between declarations.", Justification = "<Pending>", Scope = "type", Target = "~T:Project.ViewModels.TreeViewModel.cs")]

I tried to change Scope from type to namespace and namespaceanddescendants but it didn't work.

[assembly: SuppressMessage("Formatting", "RCS1057:Add empty line between declarations.", Justification = "<Pending>", Scope = "namespace", Target = "~T:Project.ViewModels")]

Any idea how this can be fixed? I am using Visual Studio 2017.

Answer 1

You shouldn't use the ~T: for a namespace, that seems to only be for types. For a usage example, you can see how it's not being used for the namespace in the .NET Core code here. Also, from the docs namespace only:

suppresses warnings against the namespace itself. It does not suppress warnings against types within the namespace as shown below:

Depending on your file hierarchy, you'll potentially want to use namespaceanddescendants as shown below:

[assembly: System.Diagnostics.CodeAnalysis.SuppressMessage("Formatting", "RCS1057:Add empty line between declarations.", Justification = "<Pending>", Scope = "namespaceanddescendants", Target = "Project.ViewModels")]