WPF

private BitmapImage CreateBitmapImage(Bitmap bitmap)
{
    using (MemoryStream memory = new MemoryStream())
    {
        bitmap.Save(memory, ImageFormat.Bmp);
        memory.Position = 0;
        BitmapImage bitmapimage = new BitmapImage();
        bitmapimage.BeginInit();
        bitmapimage.StreamSource = memory;
        bitmapimage.CacheOption = BitmapCacheOption.OnLoad;
        bitmapimage.EndInit();
        bitmapimage.Freeze();
        return bitmapimage;
    }
}

public void LoadSchedule()
        {
            WindowManager windowManager = new WindowManager();
            SelSchedViewModel vm = new SelSchedViewModel();
            windowManager.ShowDialog(vm);
        }

public void Handle(ScheduleInfo message)
        {
            ScheduleName = message.ScheduleName;
            FileInfo = message.FileLocation;
        }

public class ScheduleInfo
    {
        public string ScheduleName
        {
            get;
            private set;
        }

        public string FileLocation
        {
            get;
            private set;
        }

        public ScheduleInfo(string SN, string FL)
        {
            ScheduleName = SN;
            FileLocation = FL;
        }
    }

public string ScheduleName
        {
            get { return _scheduleName; }
            set {
                _scheduleName = value;
                NotifyOfPropertyChange(() => ScheduleName);
            }
        }
        public string FileInfo
        {
            get { return _fileInfo; }
            set {
                _fileInfo = value;
                NotifyOfPropertyChange(() => FileInfo);
            }
        }

public ShellViewModel()
        {
            IEventAggregator events = new EventAggregator();
        }

SelSchedViewModel vm = new SelSchedViewModel(events);

ObservableCollection<ConnectionViewModel> _connections;
private ICollectionView CV { get; set; }

public ConnectionsTabViewModel()
{
    _connections = new ObservableCollection<ConnectionViewModel>();
    CV = CollectionViewSource.GetDefaultView(_connections);
}

public void Sort()
{
    if (CV is ListCollectionView view)
    {
        view.CustomSort = new ConnectionViewModelComparer();
    }
}


public void StopSorting()
{

   if (CV is ListCollectionView view)
   {
       view.IsLiveSorting = false;
       //view.CustomSort = null;
    }
}