/// <summary>
            /// Starts synchronizing the list.
            /// </summary>
            public void StartSynchronizingList()
            {
                var list = GetSynchronizedSelectedItems(this._multiSelector);

                if (list != null)
                {
                    this._synchronizer = new TwoListSynchronizer(GetSelectedItemsCollection(this._multiSelector), list);
                    this._synchronizer.StartSynchronizing();
                }
            }
            /// <summary>
            /// Starts synchronizing the list.
            /// </summary>
            public void StartSynchronizingList()
            {
                var list = GetSynchronizedSelectedItems(this._multiSelector);

                if (list != null)
                {
                    this._synchronizer = new TwoListSynchronizer(GetSelectedItemsCollection(this._multiSelector), list);
                    this._synchronizer.StartSynchronizing();
                }
            }