Interaction logic for MenuDocumentPage.xaml
Наследование: System.Windows.Controls.Page
        private void OnCreateDoc(object sender, RoutedEventArgs e)
        {
            if (_menus.Count == 0)
            {
                MessageBox.Show("Select a date first", "Menu Planner", MessageBoxButton.OK);
                return;
            }
            var page2 = new MenuDocumentPage();

            NavigationService.LoadCompleted += page2.NavigationService_LoadCompleted;
            NavigationService.Navigate(page2, _menus);
            // NavigationService.Navigate(new Uri("pack://application:,,,/DocumentPage.xaml"), menus);
        }
 private void OnCreateDoc(object sender, RoutedEventArgs e)
 {
     if (_menus.Count == 0)
     {
         MessageBox.Show("Select a date first", "Menu Planner", MessageBoxButton.OK);
         return;
     }
     var page2 = new MenuDocumentPage();
     NavigationService.LoadCompleted += page2.NavigationService_LoadCompleted;
     NavigationService.Navigate(page2, _menus);
     // NavigationService.Navigate(new Uri("pack://application:,,,/DocumentPage.xaml"), menus);
 }