Enabling User-Updated Live Tiles in Windows 8: Listing 1

LiveTile.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Windows.Data.Xml.Dom;
using Windows.UI.Notifications;

namespace VSMUpdateLiveTilesDemo.Common
{
    public class LiveTile
    {
        public TileTemplateType WideTileType { get; set; }
        public TileTemplateType SquareTileType { get; set; }
        public string Text { get; set; }
        public string ImageSource { get; set; }

        public LiveTile(TileTemplateType wideTemplate, TileTemplateType squareTemplate)
        {
            WideTileType = wideTemplate;
            SquareTileType = squareTemplate;
        }

        public void Update()
        {
            XmlDocument wideTile = TileUpdateManager.GetTemplateContent(WideTileType);
            SetTextAndImage(wideTile);
            XmlDocument squareTile = TileUpdateManager.GetTemplateContent(SquareTileType);
            SetTextAndImage(squareTile);
            IXmlNode visual = wideTile.ImportNode(squareTile.GetElementsByTagName("binding").Item(0), true);
            wideTile.GetElementsByTagName("visual").Item(0).AppendChild(visual);
            TileNotification tile = new TileNotification(wideTile);
            TileUpdateManager.CreateTileUpdaterForApplication().Update(tile);
        }

        private void SetTextAndImage(XmlDocument tileXml)
        {
            XmlNodeList text = tileXml.GetElementsByTagName("text");
            text.Item(0).AppendChild(tileXml.CreateTextNode(Text));
            XmlNodeList images = tileXml.GetElementsByTagName("image");
            XmlElement image = (XmlElement)images.Item(0);
            if (image != null && !String.IsNullOrWhiteSpace(ImageSource))
            {
                image.SetAttribute("src", ImageSource);
            }
        }
    }

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 vogelvision@gmail.com.