How to create an observable collection that filtered from other observable collection
I wanna create a filter version of the ErrorList, and I want the ErrorList add or delete Item it will do the same if have any that pass the where condition
![](https://utfs.io/f/bbe07271-8e78-4d60-b3f4-58786341b37f-4pl4mu.png)
1 Reply
WPF? You use
CollectionViewSource
/ ICollectionView
. Or more complicated but infinitely more flexible, you use https://github.com/reactivemarbles/DynamicData