WPF_Practice/PacticeSolution/AddressBook_MVVMSampleV2/App.xaml.cs

using AddressBook_MVVMSampleV2.Interface;
using AddressBook_MVVMSampleV2.Model;
using AddressBook_MVVMSampleV2.Service;
using AddressBook_MVVMSampleV2.View;
using AddressBook_MVVMSampleV2.ViewModel;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;

namespace AddressBook_MVVMSampleV2
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
        protected override void OnStartup(StartupEventArgs e)
        {
            base.OnStartup(e);
            
            IMessageBoxService messageBoxService = new MessageBoxService();
            MainViewModel mainViewModel = new MainViewModel(messageBoxService, CreateAddView);
            MainView mainView = new MainView(mainViewModel);
            mainView.Show();
        }

        private IDialogView CreateAddView(Person modifyData, AddViewModel.ViewType type = AddViewModel.ViewType.Add)
        {
            AddViewModel viewModel = new AddViewModel(modifyData, type);
            return new AddView(viewModel);
        }

        protected override void OnExit(ExitEventArgs e)
        {
            base.OnExit(e);
        }
    }
}