App.xaml.cs

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using Dreamine.Hybrid.Wpf.Interfaces;
using Microsoft.Extensions.DependencyInjection;
using Sample01.ViewModels;
using Sample01.Views;
using System;
using System.Windows;
namespace Sample01
{
    public partial class App : Application, IDreamineServiceProviderAware
    {
        public static IServiceProvider? ServiceProvider { get; private set; }

        public void SetServiceProvider(IServiceProvider serviceProvider)
        {
            ServiceProvider = serviceProvider ?? throw new ArgumentNullException(nameof(serviceProvider));
        }

        protected override void OnStartup(StartupEventArgs e)
        {
            base.OnStartup(e);
 
            if (ServiceProvider is null)
                throw new InvalidOperationException("ServiceProvider 초기화 실패: Program.BuildHost가 먼저 호출되어야 합니다.");
 
            var vm = ServiceProvider.GetRequiredService<MainWindowViewModel>();
            var win = ServiceProvider.GetRequiredService<MainWindow>();
            win.DataContext = vm;
 
            MainWindow = win;
            win.Show();
        }
    }
}