Why does ObservableCollection not support bulk changes?

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挽巷 2021-01-11 14:48

What are the potential problems caused by an ObservableCollection supporting operations like AddRange or RemoveRange? There must be a

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  •  醉梦人生
    2021-01-11 15:13

    NotifyCollectionChangedEventArgs includes index information. Removing items causes indexes to reshuffle, as does inserting items. Hence, whilst not entirely impossible, it would be rather difficult and probably inefficient to provide the ability to work with ranges.

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