// Create the updater for the tile
var updater = TileUpdateManager.CreateTileUpdaterForSecondaryTile(tileId);
// Content for wide tiles
var wideContent = NotificationsExtensions.TileContent.
TileContentFactory.CreateTileWideImageAndText01();
wideContent.TextCaptionWrap.Text = "Update for wide tiles";
wideContent.Image.Src = "http://www.win8tutorial.net/imageslogo.png";
// Content for square tiles
var squareContent = NotificationsExtensions.TileContent.
TileContentFactory.CreateTileSquareText04();
squareContent.TextBodyWrap.Text = "Update for Square tiles";
// Update the tile
var notification = wideContent.CreateNotification();