System.ObjectModel 4.0.12 Microsoft microsoft,dotnetframework true http://go.microsoft.com/fwlink/?LinkId=329770 https://dot.net/ http://go.microsoft.com/fwlink/?LinkID=288859 Provides types and interfaces that allow the creation of observable types that provide notifications to clients when changes are made to it. Commonly Used Types: System.ComponentModel.INotifyPropertyChanged System.Collections.ObjectModel.ObservableCollection<T> System.ComponentModel.PropertyChangedEventHandler System.Windows.Input.ICommand System.Collections.Specialized.INotifyCollectionChanged System.Collections.Specialized.NotifyCollectionChangedEventArgs System.Collections.Specialized.NotifyCollectionChangedEventHandler System.Collections.ObjectModel.KeyedCollection<TKey, TItem> System.ComponentModel.PropertyChangedEventArgs System.Collections.ObjectModel.ReadOnlyDictionary<TKey, TValue> When using NuGet 3.x this package requires at least version 3.4. https://go.microsoft.com/fwlink/?LinkID=799417 © Microsoft Corporation. All rights reserved. true