public void GetResultMethod(object param)
        {
            if (param == null)
            {
                throw new ArgumentNullException();
            }

            Result = Convert.ToBoolean(param);

            DisplayRootRegistry.ClosePresentation(this);
        }
        /// <summary>
        /// Метод создающий новый плейлист.
        /// </summary>
        public void CreateNewPlaylistMethod(object param)
        {
            if (IsSelectedAll)
            {
                NewPlaylist = playlist;
            }
            else
            {
                foreach (var item in Playlist.Where((s) => s.IsCheck == true).Select(s => s.Title))
                {
                    NewPlaylist.Add(playlist.Single(s => s.Name == item));
                }
            }
            if (NewPlaylist.Count != 0)
            {
                Result = true;

                DisplayRootRegistry.ClosePresentation(this);
            }
        }
        public void CancelMethod(object param)
        {
            NewTitle = "";

            DisplayRootRegistry.ClosePresentation(this);
        }
 public void AcceptMethod(object param)
 {
     DisplayRootRegistry.ClosePresentation(this);
 }