public SettingsViewModel(TimeInterval timeInterval)
        {
            _WorkInterval  = timeInterval.WorkInterval.Value;
            _BreakInterval = timeInterval.BreakInterval.Value;

            PushedSettingSaveCommand = new SettingSaveCommand();
        }
 public SettingsVM(TimeInterval timeInterval)
     : base(Messenger.Default)
 {
     _timeInterval            = timeInterval;
     PushedSettingSaveCommand = new SettingSaveCommand(_timeInterval);
 }