//设定版本

        private static Version TargetedVersion = new Version(7, 10, 8858);

        //判断是否满足版本要求

        public static bool isTargetedVersion { get { return Environment.OSVersion.Version >= TargetedVersion; } }

                    ShellTile appTile = ShellTile.ActiveTiles.First();

                    // Get the new FlipTileData type.

                    Type flipTileDataType = Type.GetType("Microsoft.Phone.Shell.FlipTileData, Microsoft.Phone");

                    // Get the ShellTile type so we can call the new version of "Update" that takes the new Tile templates.

                    Type shellTileType = Type.GetType("Microsoft.Phone.Shell.ShellTile, Microsoft.Phone");

                    // Loop through any existing Tiles that are pinned to Start.

                    //var tileToUpdate = ShellTile.ActiveTiles.First();

                    // Get the constructor for the new FlipTileData class and assign it to our variable to hold the Tile properties.

                    var UpdateTileData = flipTileDataType.GetConstructor(new Type[] { }).Invoke(null);

                    // Set the properties. 

                    SetProperty(UpdateTileData, "Title", "Main Tile Title");

                    SetProperty(UpdateTileData, "Count", 0);

                    SetProperty(UpdateTileData, "BackTitle", "Back Tile Title");

                    SetProperty(UpdateTileData, "BackContent", "Content For back tile.");

                    SetProperty(UpdateTileData, "SmallBackgroundImage", new Uri("Windows 8 59.png", UriKind.Relative));

                    SetProperty(UpdateTileData, "BackgroundImage", new Uri("Windows 8 336.png", UriKind.Relative));

                    SetProperty(UpdateTileData, "BackBackgroundImage", new Uri("", UriKind.Relative));

                    SetProperty(UpdateTileData, "WideBackgroundImage", new Uri("Windows 8 691.png", UriKind.Relative));

                    SetProperty(UpdateTileData, "WideBackBackgroundImage", new Uri("", UriKind.Relative));

                    SetProperty(UpdateTileData, "WideBackContent", "Content for Wide Back Tile. Lots more text here.");

                    // Invoke the new version of ShellTile.Update.

                    shellTileType.GetMethod("Update").Invoke(appTile, new Object[] { UpdateTileData });

        private static void SetProperty(object instance, string name, object value)

        {

            var setMethod = instance.GetType().GetProperty(name).GetSetMethod();

            setMethod.Invoke(instance, new object[] { value });

        }