MainPage.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Navigation;
using Microsoft.Phone.Controls;
using Microsoft.Phone.Shell;
using MvvmLight5.Resources;

namespace MvvmLight5
{
    public partial class MainPage : PhoneApplicationPage
    {
        // Constructor
        public MainPage()
        {
            InitializeComponent();
            ViewModel.MainViewModel vm = (ViewModel.MainViewModel)this.DataContext;
            List<Dictionary<string, string>> y = new List<Dictionary<string, string>>();
            Dictionary<string, string> x = new Dictionary<string, string>();
            x.Add("1", "A");
            x.Add("2", "B");
            y.Add(x);
            myListBox2.ItemsSource = vm.theList;
        }
    }
}