PIAPS_CW/WinFormsApp/Program.cs

using System;
using Microsoft.Extensions.DependencyInjection;
using NLog.Extensions.Logging;
using Microsoft.Extensions.Logging;
using Contracts.StorageContracts;
using DatabaseImplement.Implements;
using Contracts.BusinessLogicContracts;
using BusinessLogic.BusinessLogic;

namespace WinFormsApp
{
    internal static class Program
    {
        private static ServiceProvider? _serviceProvider;
        public static ServiceProvider? ServiceProvider => _serviceProvider;
        /// <summary>
        ///  The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main()
        {
            // To customize application configuration such as set high DPI settings or default font,
            // see https://aka.ms/applicationconfiguration.
            ApplicationConfiguration.Initialize();
            var services = new ServiceCollection();
            ConfigureServices(services);
            _serviceProvider = services.BuildServiceProvider();
            Application.Run(_serviceProvider.GetRequiredService<FormMain>());
        }
        private static void ConfigureServices(ServiceCollection services)
        {
            services.AddLogging(option =>
            {
                option.SetMinimumLevel(LogLevel.Information);
                option.AddNLog("nlog.config");
            });
            services.AddTransient<ISupplyStorage, SupplyStorage>();
            //services.AddTransient<ISupplyDocStorage, SupplyDocStorage>();
            services.AddTransient<IProductStorage, ProductStorage>();
            services.AddTransient<ISupplierStorage, SupplierStorage>();
            services.AddTransient<IMediaFileStorage, MediaFileStorage>();

            services.AddTransient<ISupplyLogic, SupplyLogic>();
            services.AddTransient<ISupplierLogic, SupplierLogic>();
            services.AddTransient<IProductLogic, ProductLogic>();
            services.AddTransient<IMediaFileLogic, MediaFileLogic>();

            services.AddTransient<FormMain>();
            services.AddTransient<FormProducts>();
            services.AddTransient<FormSuppliers>();
            services.AddTransient<FormSupplier>();
            services.AddTransient<FormSupply>();
            services.AddTransient<FormSupplyProduct>();
            services.AddTransient<FormSupplierProduct>();
            services.AddTransient<FormMediaFiles>();

        }
    }
}