System.ObjectModel 4.3.0 The ID prefix of this package has been reserved for one of the owners of this package by NuGet.org. Prefix Reserved

.NET Standard 1.0 .NET Framework 4.5

Requires NuGet 2.12 or higher.

Install-Package System.ObjectModel -Version 4.3.0
dotnet add package System.ObjectModel --version 4.3.0
<PackageReference Include="System.ObjectModel" Version="4.3.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add System.ObjectModel --version 4.3.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: System.ObjectModel, 4.3.0"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install System.ObjectModel as a Cake Addin
#addin nuget:?package=System.ObjectModel&version=4.3.0

// Install System.ObjectModel as a Cake Tool
#tool nuget:?package=System.ObjectModel&version=4.3.0
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

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.

Product Versions
.NET net5.0 net5.0-windows net6.0 net6.0-android net6.0-ios net6.0-maccatalyst net6.0-macos net6.0-tvos net6.0-windows
.NET Core netcoreapp1.0 netcoreapp1.1 netcoreapp2.0 netcoreapp2.1 netcoreapp2.2 netcoreapp3.0 netcoreapp3.1
.NET Standard netstandard1.0 netstandard1.1 netstandard1.2 netstandard1.3 netstandard1.4 netstandard1.5 netstandard1.6 netstandard2.0 netstandard2.1
.NET Framework net45 net451 net452 net46 net461 net462 net463 net47 net471 net472 net48
MonoAndroid monoandroid monoandroid10
MonoMac monomac
MonoTouch monotouch monotouch10
Tizen tizen30 tizen40 tizen60
Universal Windows Platform netcore50 uap uap10.0
Windows Phone wp8 wp81 wpa81
Windows Store netcore netcore45 netcore451 win8
Xamarin.iOS xamarinios xamarinios10
Xamarin.Mac xamarinmac xamarinmac20
Xamarin.TVOS xamarintvos xamarintvos10
Xamarin.WatchOS xamarinwatchos xamarinwatchos10
Compatible target framework(s)
Additional computed target framework(s)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (204)

Showing the top 5 NuGet packages that depend on System.ObjectModel:

Package Downloads
System.Linq.Expressions The ID prefix of this package has been reserved for one of the owners of this package by NuGet.org.

Provides classes, interfaces and enumerations that enable language-level code expressions to be represented as objects in the form of expression trees. Commonly Used Types: System.Linq.IQueryable<T> System.Linq.IQueryable System.Linq.Expressions.Expression<TDelegate> System.Linq.Expressions.Expression System.Linq.Expressions.ExpressionVisitor When using NuGet 3.x this package requires at least version 3.4.

NETStandard.Library The ID prefix of this package has been reserved for one of the owners of this package by NuGet.org.

A set of standard .NET APIs that are prescribed to be used and supported together. 18a36291e48808fa7ef2d00a764ceb1ec95645a5 When using NuGet 3.x this package requires at least version 3.4.

System.Dynamic.Runtime The ID prefix of this package has been reserved for one of the owners of this package by NuGet.org.

Provides classes and interfaces that support the Dynamic Language Runtime (DLR). Commonly Used Types: System.Runtime.CompilerServices.CallSite System.Runtime.CompilerServices.CallSite<T> System.Dynamic.IDynamicMetaObjectProvider System.Dynamic.DynamicMetaObject System.Dynamic.SetMemberBinder System.Dynamic.GetMemberBinder System.Dynamic.ExpandoObject System.Dynamic.DynamicObject System.Runtime.CompilerServices.CallSiteBinder System.Runtime.CompilerServices.ConditionalWeakTable<TKey, TValue> When using NuGet 3.x this package requires at least version 3.4.

Remotion.Linq The ID prefix of this package has been reserved for one of the owners of this package by NuGet.org.

re-linq Frontend: A foundation for parsing LINQ expression trees and generating queries in SQL or other languages. Key features: - Transforms expression trees into abstract syntax trees resemblying LINQ query expressions (from ... select syntax) - Simplifies many aspects of this tree (sub queries, transparent identifieres, pre-evaluation ...) - Provides basic infrastructure for backend development (e.g. SQL generation) - Provides a framework for user-defined query extensions and transformations

System.Runtime.WindowsRuntime The ID prefix of this package has been reserved for one of the owners of this package by NuGet.org.

Provides extensions methods that improve interoperation between managed code and the Windows Runtime. Commonly Used Types: System.WindowsRuntimeSystemExtensions System.IO.WindowsRuntimeStorageExtensions System.IO.WindowsRuntimeStreamExtensions System.Runtime.InteropServices.WindowsRuntime.AsyncInfo System.Runtime.InteropServices.WindowsRuntime.WindowsRuntimeBuffer When using NuGet 3.x this package requires at least version 3.4.

GitHub repositories (211)

Showing the top 5 popular GitHub repositories that depend on System.ObjectModel:

Repository Stars
JamesNK/Newtonsoft.Json
Json.NET is a popular high-performance JSON framework for .NET
JeffreySu/WeiXinMPSDK
微信全平台 SDK Senparc.Weixin for C#,支持 .NET Framework 及 .NET Core、.NET 6.0。已支持微信公众号、小程序、小游戏、企业号、企业微信、开放平台、微信支付、JSSDK、微信周边等全平台。 WeChat SDK for C#.
microsoft/ailab
Experience, Learn and Code the latest breakthrough innovations with Microsoft AI
xamarin/xamarin-forms-samples
Sample apps built using the Xamarin.Forms framework
MediaBrowser/Emby
Emby Server is a personal media server with apps on just about every device.
Version Downloads Last updated
4.3.0 407,000,812 11/15/2016
4.3.0-preview1-24530-04 307,212 10/24/2016
4.0.12 357,362,076 6/27/2016
4.0.12-rc2-24027 14,538,176 5/16/2016
4.0.11-beta-23516 175,748 11/18/2015
4.0.11-beta-23409 22,411 10/15/2015
4.0.11-beta-23225 109,524 9/2/2015
4.0.10 2,469,457 7/29/2015
4.0.10-beta-23109 99,633 7/27/2015
4.0.10-beta-23019 52,388 6/30/2015
4.0.10-beta-22816 65,720 4/24/2015
4.0.10-beta-22605 10,814 2/13/2015
4.0.10-beta-22416 8,113 1/16/2015
4.0.10-beta-22231 56,488 11/11/2014
4.0.0 2,489,397 7/29/2015
4.0.0-beta-23109 51,832 7/27/2015
4.0.0-beta-23019 68,146 6/30/2015