/App.xaml.cs

using System;

using System.Collections.Generic;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Windows;

using QuickArch.ViewModel;



namespace QuickArch

{

    /// <summary>

    /// Interaction logic for App.xaml

    /// </summary>

    public partial class App : Application

    {

        protected override void OnStartup(StartupEventArgs e)

        {

            base.OnStartup(e);



            MainWindow window = new MainWindow();



            //Create the ViewModel to which the main window binds

            //string path = "Data/components.xml"

            var viewModel = new MainWindowViewModel();



            //When the ViewModel asks to be closed, close the window.

            EventHandler handler = null;

            handler = delegate

            {

                viewModel.RequestClose -= handler;

                window.Close();

            };

            viewModel.RequestClose += handler;



            //allow all controls in the window to

            //bind to the viewModel by setting the

            //DataContext, which propagates down the element tree

            window.DataContext = viewModel;



            window.Show();

        }

    }

}