Start transaction with Microsoft.Extensions.DependencyInjection

Program.cs

using System;
using Microsoft.Extensions.DependencyInjection;

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            var serviceCollection = new ServiceCollection();

            serviceCollection.AddScoped<IUnitOfWork, UnitOfWork>(provider =>
            {
                var unitOfWork = new UnitOfWork();
                unitOfWork.StartTransaction();
                return unitOfWork;
            });

            var serviceProvider = serviceCollection.BuildServiceProvider();

            using (var uow = serviceProvider.GetService<IUnitOfWork>())
                Console.WriteLine($"{nameof(uow.IsTransationStarted)}: {uow.IsTransationStarted}");
            Console.WriteLine("Fim");
        }
    }

    interface IUnitOfWork : IDisposable
    {
        void StartTransaction();
        bool IsTransationStarted { get; }
    }

    class UnitOfWork : IUnitOfWork
    {
        private bool _isTransationStarted;

        public void StartTransaction()
        {
            _isTransationStarted = true;
        }

        public bool IsTransationStarted => _isTransationStarted;

        public void Dispose()
        {
            Console.ForegroundColor = ConsoleColor.Green;
            Console.WriteLine("Dispose method");
            _isTransationStarted = false;
            Console.WriteLine($"{nameof(IsTransationStarted)}: {IsTransationStarted}");
            Console.WriteLine("Disposed");
            Console.ResetColor();
        }
    }
}