<PackageReference Include="NETStandard.Library" Version="2.0.2" />

System.Collections.Specialized.NotifyCollectionChangedEventArgs

namespace System.Collections.Specialized { public class NotifyCollectionChangedEventArgs : EventArgs { public NotifyCollectionChangedAction Action { get; } public IList NewItems { get; } public int NewStartingIndex { get; } public IList OldItems { get; } public int OldStartingIndex { get; } public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, IList changedItems); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, IList newItems, IList oldItems); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, IList newItems, IList oldItems, int startingIndex); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, IList changedItems, int startingIndex); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, IList changedItems, int index, int oldIndex); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, object changedItem); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, object changedItem, int index); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, object changedItem, int index, int oldIndex); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, object newItem, object oldItem); public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action, object newItem, object oldItem, int index); } }