public static async Task <string> PinToStart(BookItem Book) { BookLoader BL = new BookLoader(); await BL.LoadCoverAsync(Book, true); string TilePath = await Resources.Image.CreateTileImage(Book); (string Args, string TileId) = TileParams(Book.Entry); SecondaryTile S = new SecondaryTile() { TileId = TileId, DisplayName = Book.Title, Arguments = Args }; S.VisualElements.Square150x150Logo = new Uri(TilePath); S.VisualElements.ShowNameOnSquare150x150Logo = true; if (await S.RequestCreateAsync()) { return(TileId); } return(null); }