WPF Multiple CollectionView with different filters on same collection
This answer helped me with this exact problem. The static CollectionViewSource.GetDefaultView(coll) method will always return the same reference for a given collection, so basing multiple collection views on the same reference will be counterproductive. By instantiating the view as follows: ICollectionView filteredView = new CollectionViewSource { Source=messageList }.View; The view can now be filtered/sorted/grouped independently … Read more