using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
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 WpfNavigation1
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    //public partial class MainWindow : Window
    public class Start_Up : Application
    {
        Start_Up() { }

        [STAThread]
        public static void Main()
        {
            // Create new instance of application subclass
            Start_Up app = new Start_Up();
            // fetch an XAML page with a method
           // Start running the application
            app.PageXaml();
            app.Run();
        }

        private void PageXaml()
        {
            this.StartupUri = new Uri("page1.xaml",
             System.UriKind.RelativeOrAbsolute);
           // this.StartupUri = new Uri("Window1.xaml",
                //System.UriKind.RelativeOrAbsolute);
        }
    }
 }