private void CopyList(TraktListDetail sourceList, TraktList newList)
        {
            var copyList = new CopyList {
                Username    = CurrentUser,
                Source      = sourceList,
                Destination = newList
            };

            var copyThread = new Thread((obj) =>
            {
                var copyParams = obj as CopyList;

                // first create new list
                TraktLogger.Info("Creating new list online. Privacy = '{0}', Name = '{1}'", copyParams.Destination.Privacy, copyParams.Destination.Name);
                var response = TraktAPI.TraktAPI.CreateCustomList(copyParams.Destination);
                if (response == null || response.Ids == null)
                {
                    TraktLogger.Error("Failed to create user list. List Name = '{0}'", copyParams.Destination.Name);
                    return;
                }

                // get items from other list
                var userListItems = TraktAPI.TraktAPI.GetUserListItems(copyParams.Source.User.Ids.Slug, copyParams.Source.Ids.Trakt.ToString(), "min");
                if (userListItems == null)
                {
                    TraktLogger.Error("Failed to get user list items. List Name = '{0}', ID = '{1}'", copyParams.Destination.Name, copyParams.Source.Ids.Trakt);
                    return;
                }

                // copy items to new list
                var itemsToAdd = new TraktSyncAll();
                foreach (var item in userListItems)
                {
                    var listItem  = new TraktListItem();
                    listItem.Type = item.Type;

                    switch (item.Type)
                    {
                    case "movie":
                        if (itemsToAdd.Movies == null)
                        {
                            itemsToAdd.Movies = new List <TraktMovie>();
                        }

                        itemsToAdd.Movies.Add(new TraktMovie {
                            Ids = item.Movie.Ids
                        });
                        break;

                    case "show":
                        if (itemsToAdd.Shows == null)
                        {
                            itemsToAdd.Shows = new List <TraktShow>();
                        }

                        itemsToAdd.Shows.Add(new TraktShow {
                            Ids = item.Show.Ids
                        });
                        break;

                    case "season":
                        if (itemsToAdd.Seasons == null)
                        {
                            itemsToAdd.Seasons = new List <TraktSeason>();
                        }

                        itemsToAdd.Seasons.Add(new TraktSeason {
                            Ids = item.Season.Ids
                        });
                        break;

                    case "episode":
                        if (itemsToAdd.Episodes == null)
                        {
                            itemsToAdd.Episodes = new List <TraktEpisode>();
                        }

                        itemsToAdd.Episodes.Add(new TraktEpisode {
                            Ids = item.Episode.Ids
                        });
                        break;

                    case "person":
                        if (itemsToAdd.People == null)
                        {
                            itemsToAdd.People = new List <TraktPerson>();
                        }

                        itemsToAdd.People.Add(new TraktPerson {
                            Ids = item.Person.Ids
                        });
                        break;
                    }
                }

                // add items to the list
                var ItemsAddedResponse = TraktAPI.TraktAPI.AddItemsToList("me", response.Ids.Trakt.ToString(), itemsToAdd);

                if (ItemsAddedResponse != null)
                {
                    TraktLists.ClearListCache(TraktSettings.Username);
                    TraktCache.ClearCustomListCache();

                    // updated MovingPictures categories and filters menu
                    if (TraktHelper.IsMovingPicturesAvailableAndEnabled)
                    {
                        MovingPictures.UpdateCategoriesMenu(SyncListType.CustomList);
                        MovingPictures.UpdateFiltersMenu(SyncListType.CustomList);
                    }
                }
            })
            {
                Name         = "CopyList",
                IsBackground = true
            };

            copyThread.Start(copyList);
        }