Implementing Wizard Functionality for Windows Phone 7 Applications

using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using MVVMSample1.ViewModel.CustomWizards;
using System.Diagnostics;

namespace MVVMSample1.ViewModel
{
    //use a derived wizard class and use async methods
    public class AdvancedViewModel : SampleViewModel
    {
        AdvancedWizard wizard;
        public AdvancedViewModel()
        {
            PageTitle = "Advanced";
        }
        public AdvancedWizard Wizard
        {
            get
            {
                if (wizard == null)
                    initWizard();
                return wizard;
            }
        }
        private void initWizard()
        {
            wizard = new AdvancedWizard();
            wizard.WizardCanceled += new EventHandler(wizard_WizardCanceled);
            wizard.WizardFinished += new EventHandler(wizard_WizardFinished);
        }
        private void wizard_WizardFinished(object sender, EventArgs e)
        {
            Debug.WriteLine(string.Format("Wizard completed for {0} {1}", wizard.FirstName, wizard.LastName));
        }

        private void wizard_WizardCanceled(object sender, EventArgs e)
        {
            //handle the cancellation
            Debug.WriteLine("The wizard has been canceled");
        }
    }
}