/// <summary>
 /// Appends lines to a file, and then closes the file.
 /// </summary>
 /// <param name="store">The <see cref="IsolatedStorageFile"/> object.</param>
 /// <param name="path">The file to append the lines to. The file is created if it does not already exist.</param>
 /// <param name="contents">The lines to append to the file.</param>
 /// <returns>The <see cref="Task"/> object representing the asynchronous operation.</returns>
 public static Task AppendAllLinesAsync(this IsolatedStorageFile store, string path, IEnumerable <string> contents)
 {
     return(store.AppendAllLinesAsync(path, contents, _uft8NoBOM));
 }
 /// <summary>
 /// Appends lines to a file, and then closes the file.
 /// </summary>
 /// <param name="path">The file to append the lines to. The file is created if it does not already exist.</param>
 /// <param name="contents">The lines to append to the file.</param>
 /// <returns>The <see cref="Task"/> object representing the asynchronous operation.</returns>
 public Task AppendAllLines(string path, IEnumerable <string> contents)
 {
     return(Storage.AppendAllLinesAsync(path, contents));
 }