using Microsoft.Extensions.DependencyInjection;

using System;

​

ServiceCollection services = new ServiceCollection();

services.AddScoped<Disposable>();

​

var sp = services.BuildServiceProvider();

var scope1 = sp.CreateScope();

var scope2 = scope1.ServiceProvider.CreateScope();

​

var obj = scope2.ServiceProvider.GetRequiredService<Disposable>();

​

scope1.Dispose(); //Does not dispose scope2

​

//scope2 can still resolve services although scope1 was disposed

obj = scope2.ServiceProvider.GetRequiredService<Disposable>();

Console.WriteLine(obj.v);

​

scope2.Dispose(); //Only after this call is obj disposed!

Console.WriteLine(obj.v);

​

public class Disposable : IDisposable {

    public string? v = "NotDisposed";

    public void Dispose() { v = "Disposed"; }

}