Vehicle/WPF01/MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WPF01
{
    /// <summary>
    /// Логика взаимодействия для MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            PageNavigation.authorization = new pages.Authorization();
            PageNavigation.registration = new pages.Registration();
            PageNavigation.mainPage = new pages.MainPage();

            MainFrame.Navigate(PageNavigation.registration);
        }

        private void Frame_Loaded(object sender, RoutedEventArgs e)
        {
           
        }
    }
}