Good day. The essence of the problem: the VS Code editor cannot see the link to the library, for example, adding System.Collections when trying to use ArrayList , then the following error will follow: "ArrayList is an unknown object". When I try to write System.Collections.ArrayList intellect sees nothing. Also, I found all the necessary libraries in OmniSharpe, but I don’t know how to connect them to VS Code - what, in fact, is the question.

    1 answer 1

    In .NET Core, the standard library is distributed across multiple nuget packages. Non-generic collections (including ArrayList ) are in the System.Collections.NonGeneric package. To connect the package, you need to add a line to the project.json file:

      "frameworks": { "netcoreapp1.0": { "dependencies": { "Microsoft.NETCore.App": { "type": "platform", "version": "1.0.0" }, "System.Collections.NonGeneric": "4.0.1" }, "imports": "dnxcore50" } } 
    • And what about "4.0.1"? - Pepsi4
    • @ Pepsi4 is the version - kmv