/// <summary>
 ///  Instantiates the view, including initialization of the Map and Bookmarks properties
 /// </summary>
 /// <param name="map">The map control that the bookmarks are meant to navigate</param>
 /// <param name="bookmarks">The collection of bookmarks</param>
 public BookmarksViewModel(Map map, ObservableCollection <Bookmark.MapBookmark> bookmarks)
 {
     Bookmarks      = bookmarks;
     Map            = map;
     DeleteBookmark = new DeleteBookmarkCommand(bookmarks);
 }
 /// <summary>
 ///  Instantiates the view, including initialization of the Map and Bookmarks properties
 /// </summary>
 /// <param name="map">The map control that the bookmarks are meant to navigate</param>
 /// <param name="bookmarks">The collection of bookmarks</param>
 public BookmarksViewModel(Map map, ObservableCollection<Bookmark.MapBookmark> bookmarks)
 {
     Bookmarks = bookmarks;
     Map = map;
     DeleteBookmark = new DeleteBookmarkCommand(bookmarks);
 }