Does not contain a static 'main' method suitable for an entry point

Question

I began organizing my code to day into seperarate .cs files, and in order to allow the methods that work with the UI to continue to do so I would create the .cs code under t

Answer 1

Had this problem in VS 2017 caused by:

static async Task Main(string[] args)

(Feature 'async main' is not available in C# 7.0. Please use language version 7.1 or greater)

Adding

latest

to app.csproj helped.