/// <summary> /// Method which removes element from playlist and calculates playlist duration /// </summary> /// <param name="musicFile">Element to remove</param> public void Remove(MusicFileViewModel musicFile) { musicFileList.Remove(musicFile); Duration = Duration.Subtract(musicFile.Duration); }
public void Add(MusicFileViewModel musicFile) { musicFileList.Add(musicFile); Duration = Duration.Add(musicFile.Duration); }