System.ObjectModel 4.3.0-preview1-24530-04

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.

Showing the top 20 packages that depend on System.ObjectModel.

Packages Downloads
Microsoft.CSharp
Provides support for compilation and code generation, including dynamic, using the C# language. Commonly Used Types: Microsoft.CSharp.RuntimeBinder.Binder Microsoft.CSharp.RuntimeBinder.RuntimeBinderException Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfo Microsoft.CSharp.RuntimeBinder.CSharpArgumentInfoFlags Microsoft.CSharp.RuntimeBinder.CSharpBinderFlags
2
Microsoft.NETCore
Provides a set of packages that can be used when building portable libraries on .NETCore based platforms.
3
NETStandard.Library
A set of standard .NET APIs that are prescribed to be used and supported together. This includes all of the APIs in the NETStandard.Platform package plus additional libraries that are core to .NET but built on top of NETStandard.Platform. When using NuGet 3.x this package requires at least version 3.4.
14
NuGet.RuntimeModel
NuGet v3 core library.
3
System.Composition.Hosting
Provides Managed Extensibility Framework types that are useful to developers of extensible applications, or hosts. Commonly Used Types: System.Composition.Hosting.CompositionHost When using NuGet 3.x this package requires at least version 3.4.
3
System.Dynamic.Runtime
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>
3
System.Linq.Expressions
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.
3
System.Linq.Expressions
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.
4
System.Private.ServiceModel
Internal implementation package not meant for direct consumption. Please do not reference directly. Provides implementation of System.ServiceModel packages.
3
System.Private.ServiceModel
Internal implementation package not meant for direct consumption. Please do not reference directly. Provides implementation of System.ServiceModel packages. When using NuGet 3.x this package requires at least version 3.4.
2
System.Private.ServiceModel
Internal implementation package not meant for direct consumption. Please do not reference directly. Provides implementation of System.ServiceModel packages. When using NuGet 3.x this package requires at least version 3.4.
3
System.Runtime.WindowsRuntime
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 \r\n TFS ID: 1599443, GitHub SHA: https://github.com/dotnet/corefx/tree/eede273a4dfabcea608621f5e1bbf8ad00584cfb
3
System.Runtime.WindowsRuntime
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.
2
System.ServiceModel.Primitives
Provides common Windows Communication Foundation (WCF) types for consuming and communicating with services. Commonly Used Types: System.ServiceModel.ClientBase<TChannel> System.ServiceModel.IClientChannel System.ServiceModel.ICommunicationObject System.ServiceModel.Channels.IChannel System.ServiceModel.IContextChannel System.ServiceModel.IExtensibleObject<T> System.ServiceModel.DataContractFormatAttribute System.ServiceModel.Description.IOperationBehavior System.ServiceModel.Channels.Message System.ServiceModel.FaultException<TDetail>
3
System.ServiceModel.Primitives
Provides common Windows Communication Foundation (WCF) types for consuming and communicating with services. Commonly Used Types: System.ServiceModel.ClientBase<TChannel> System.ServiceModel.IClientChannel System.ServiceModel.ICommunicationObject System.ServiceModel.Channels.IChannel System.ServiceModel.IContextChannel System.ServiceModel.IExtensibleObject<T> System.ServiceModel.DataContractFormatAttribute System.ServiceModel.Description.IOperationBehavior System.ServiceModel.Channels.Message System.ServiceModel.FaultException<TDetail> \r\n TFS ID: 1599443, GitHub SHA: https://github.com/dotnet/corefx/tree/eede273a4dfabcea608621f5e1bbf8ad00584cfb
3
System.ServiceModel.Primitives
Provides common Windows Communication Foundation (WCF) types for consuming and communicating with services. Commonly Used Types: System.ServiceModel.ClientBase<TChannel> System.ServiceModel.IClientChannel System.ServiceModel.ICommunicationObject System.ServiceModel.Channels.IChannel System.ServiceModel.IContextChannel System.ServiceModel.IExtensibleObject<T> System.ServiceModel.DataContractFormatAttribute System.ServiceModel.Description.IOperationBehavior System.ServiceModel.Channels.Message System.ServiceModel.FaultException<TDetail> When using NuGet 3.x this package requires at least version 3.4.
2

MonoAndroid 1.0

  • No dependencies.

MonoTouch 1.0

  • No dependencies.

.NET Framework 4.5

  • No dependencies.

.NETCore 5.0

.NET Standard 1.0

.NET Standard 1.3

.NETPortable 0.0

  • No dependencies.

Windows 8.0

  • No dependencies.

WindowsPhone 8.0

  • No dependencies.

WindowsPhoneApp 8.1

  • No dependencies.

Xamarin.iOS 1.0

  • No dependencies.

Xamarin.Mac 2.0

  • No dependencies.

Xamarin.TVOS 1.0

  • No dependencies.

Xamarin.WatchOS 1.0

  • No dependencies.

Version Downloads Last updated
4.3.0 4 04/23/2026
4.3.0-preview1-24530-04 2 04/25/2026
4.0.12 2 04/24/2026
4.0.12-rc2-24027 2 04/24/2026
4.0.11-beta-23516 2 04/25/2026
4.0.11-beta-23409 2 04/25/2026
4.0.11-beta-23225 2 04/25/2026
4.0.10 2 04/24/2026
4.0.10-beta-23109 2 04/25/2026
4.0.10-beta-23019 3 04/16/2026
4.0.10-beta-22816 2 04/25/2026
4.0.10-beta-22605 2 04/25/2026
4.0.10-beta-22416 2 04/25/2026
4.0.10-beta-22231 3 04/24/2026
4.0.0 2 04/24/2026
4.0.0-beta-23109 1 04/24/2026
4.0.0-beta-23019 2 04/24/2026