c# - Why is BindingListCollectionView sealed? -



c# - Why is BindingListCollectionView sealed? -

i have extension icollectionview interface allows me handle multi-selection (imultiselectcollectionview). want provide implementation compatible bindinglistcollectionview class sealed. know why design decision made?

sealing class denotes safeguard derived class might dramatically alter basic behavior of original one. anyway, don't know what's real meaning sealing class.

c# .net wpf icollectionview

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