Windows 8: Advanced Live Tiles, Part 2: Listing 6

MainPage.xaml.cs

• By Eric Vogel
• 06/25/2012

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
using Windows.UI.Notifications;

// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234238

namespace VSMAdvancedTilesP2Demo
{
    public enum NotificationType
    {
        Badge,
        Tile
    };

    /// <summary>
    /// An empty page that can be used on its own or navigated to within a Frame.
    /// </summary>
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
        }

        /// <summary>
        /// Invoked when this page is about to be displayed in a Frame.
        /// </summary>
        /// <param name="e">Event data that describes how this page was reached.  The Parameter
        /// property is typically used to configure the page.</param>
        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            LoadRecurrences();
            LoadNotificationTypes();
        }

        private void AddItemsFromEnum<T>(ComboBox comboBox)
        {
            foreach (var value in Enum.GetValues(typeof(T)))
                      comboBox.Items.Add(new { Text = value.ToString(), Value = value });
            comboBox.DisplayMemberPath = "Text";
            comboBox.SelectedValuePath = "Value";
        }

        private void LoadRecurrences()
        {
            AddItemsFromEnum<PeriodicUpdateRecurrence>(Recurrences);
        }

        private void LoadNotificationTypes()
        {
            AddItemsFromEnum<NotificationType>(NotifiactionTypes);
        }

        private void PollButton_Click(object sender, RoutedEventArgs e)
        {
            Uri pollUri = new Uri(PollingUri.Text);
            PeriodicUpdateRecurrence updateDuration = (PeriodicUpdateRecurrence)Recurrences.SelectedValue;
            NotificationType notificationType = (NotificationType)NotifiactionTypes.SelectedValue;
            Uri fullPollUri = new Uri(String.Format("{0}/{1}/{2}?mediaFormat=XML",
                pollUri.AbsoluteUri, notificationType, Number.Text));

            switch (notificationType)
            {
                case NotificationType.Badge:
                    BadgeUpdateManager.CreateBadgeUpdaterForApplication().StartPeriodicUpdate(fullPollUri, updateDuration);
                    break;
                case NotificationType.Tile:
                    TileUpdateManager.CreateTileUpdaterForApplication().StartPeriodicUpdate(fullPollUri, updateDuration);
                    break;
            }
        }
    }
}