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

MainPage.xaml.cs

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;
            }
        }
    }
}

About the Author

Eric Vogel is a Senior Software Developer for Red Cedar Solutions Group in Okemos, Michigan. He is the president of the Greater Lansing User Group for .NET. Eric enjoys learning about software architecture and craftsmanship, and is always looking for ways to create more robust and testable applications. Contact him at [email protected].

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