System.Composition.Hosting 10.0.0-preview.2.25163.2

About

System.Composition.Hosting is part of the Managed Extensibility Framework (MEF) 2.0, a composition library for .NET that enables dependency injection through attributes or conventions.

This package provides core services for creating composition containers. It offers tools to configure and manage the composition of parts within your application, facilitating dependency injection and enabling modular architectures.

Key Features

  • Create and manage composition containers for dynamic dependency injection.

How to Use

Create a composition host and compose parts.

using System.Composition;
using System.Composition.Hosting;

// Create a container configuration
var configuration = new ContainerConfiguration()
    .WithPart<Service>();

// Create the composition host (container)
using CompositionHost container = configuration.CreateContainer();

// Get an instance of the service
var service = container.GetExport<IService>();
service.Run();
// Service is running!

public interface IService
{
    void Run();
}

[Export(typeof(IService))]
public class Service : IService
{
    public void Run() => Console.WriteLine("Service is running!");
}

Main Types

The main type provided by this library is:

  • System.Composition.CompositionHost

Additional Documentation

Feedback & Contributing

System.Composition.Hosting is released as open source under the MIT license. Bug reports and contributions are welcome at the GitHub repository.

Showing the top 20 packages that depend on System.Composition.Hosting.

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System.Composition.TypedParts
Provides some extension methods for the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContextExtensions System.Composition.Hosting.ContainerConfiguration
24
System.Composition.TypedParts
Provides some extension methods for the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContextExtensions System.Composition.Hosting.ContainerConfiguration 00490982c7952e96a1089818467caa6fd07541b2 When using NuGet 3.x this package requires at least version 3.4.
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System.Composition.TypedParts
Provides some extension methods for the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContextExtensions System.Composition.Hosting.ContainerConfiguration 029cf57733b7ec6c1dd8a13857e800b9a8d97192 When using NuGet 3.x this package requires at least version 3.4.
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System.Composition.TypedParts
Provides some extension methods for the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContextExtensions System.Composition.Hosting.ContainerConfiguration When using NuGet 3.x this package requires at least version 3.4.
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System.Composition.TypedParts
Provides some extension methods for the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContextExtensions System.Composition.Hosting.ContainerConfiguration When using NuGet 3.x this package requires at least version 3.4.
16
System.Composition.TypedParts
Provides some extension methods for the Managed Extensibility Framework. Commonly Used Types: System.Composition.CompositionContextExtensions System.Composition.Hosting.ContainerConfiguration When using NuGet 3.x this package requires at least version 3.4.
17
System.Composition.TypedParts
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43

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10.0.0-preview.2.25163.2 2 03/30/2025
10.0.0-preview.1.25080.5 2 03/04/2025
9.0.3 2 03/13/2025
9.0.2 2 02/22/2025
9.0.1 3 01/27/2025
9.0.0 11 11/14/2024
9.0.0-rc.2.24473.5 10 11/14/2024
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9.0.0-preview.5.24306.7 4 12/24/2024
9.0.0-preview.4.24266.19 13 05/26/2024
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9.0.0-preview.1.24080.9 9 05/26/2024
8.0.0 12 05/26/2024
8.0.0-rc.2.23479.6 13 05/26/2024
8.0.0-rc.1.23419.4 14 05/26/2024
8.0.0-preview.7.23375.6 10 05/26/2024
8.0.0-preview.6.23329.7 13 07/16/2023
8.0.0-preview.5.23280.8 11 05/26/2024
8.0.0-preview.4.23259.5 9 06/04/2023
8.0.0-preview.3.23174.8 10 05/26/2024
8.0.0-preview.2.23128.3 13 05/26/2024
8.0.0-preview.1.23110.8 11 05/26/2024
7.0.0 11 05/26/2024
7.0.0-rc.2.22472.3 11 05/26/2024
7.0.0-rc.1.22426.10 12 05/26/2024
7.0.0-preview.7.22375.6 12 05/26/2024
7.0.0-preview.6.22324.4 15 05/26/2024
7.0.0-preview.5.22301.12 15 05/26/2024
7.0.0-preview.4.22229.4 12 05/26/2024
7.0.0-preview.3.22175.4 10 05/26/2024
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7.0.0-preview.1.22076.8 10 05/26/2024
6.0.2-mauipre.1.22102.15 9 05/26/2024
6.0.2-mauipre.1.22054.8 10 05/26/2024
6.0.0 17 02/01/2023
6.0.0-rc.2.21480.5 14 05/26/2024
6.0.0-rc.1.21451.13 9 05/26/2024
6.0.0-preview.7.21377.19 9 05/26/2024
6.0.0-preview.6.21352.12 11 05/26/2024
6.0.0-preview.5.21301.5 9 05/26/2024
6.0.0-preview.4.21253.7 17 05/26/2024
6.0.0-preview.3.21201.4 12 05/26/2024
6.0.0-preview.2.21154.6 7 05/26/2024
6.0.0-preview.1.21102.12 15 05/26/2024
5.0.1 14 05/26/2024
5.0.0 16 05/26/2024
5.0.0-rc.2.20475.5 8 05/26/2024
5.0.0-rc.1.20451.14 11 05/26/2024
5.0.0-preview.8.20407.11 10 05/26/2024
5.0.0-preview.7.20364.11 10 05/26/2024
5.0.0-preview.6.20305.6 10 05/26/2024
5.0.0-preview.5.20278.1 10 05/26/2024
5.0.0-preview.4.20251.6 13 05/26/2024
5.0.0-preview.3.20214.6 10 05/26/2024
5.0.0-preview.2.20160.6 11 05/26/2024
5.0.0-preview.1.20120.5 14 05/26/2024
1.4.1 13 05/26/2024
1.4.0 10 05/26/2024
1.4.0-preview3.19551.4 9 05/26/2024
1.4.0-preview2.19523.17 11 05/26/2024
1.4.0-preview1.19504.10 13 05/26/2024
1.3.0 11 05/26/2024
1.3.0-rc1.19456.4 14 05/26/2024
1.3.0-preview9.19421.4 10 05/26/2024
1.3.0-preview9.19416.11 11 05/26/2024
1.3.0-preview8.19405.3 11 05/26/2024
1.3.0-preview7.19362.9 10 05/26/2024
1.3.0-preview6.19303.8 11 05/26/2024
1.3.0-preview6.19264.9 9 05/26/2024
1.3.0-preview5.19224.8 12 05/26/2024
1.3.0-preview4.19212.13 9 05/26/2024
1.3.0-preview3.19128.7 10 05/26/2024
1.3.0-preview.19073.11 18 05/26/2024
1.3.0-preview.18571.3 13 05/26/2024
1.2.0 9 05/26/2024
1.2.0-rc1 12 05/26/2024
1.2.0-preview2-26406-04 14 05/26/2024
1.2.0-preview1-26216-02 13 05/26/2024
1.1.0 11 05/26/2024
1.1.0-preview2-25405-01 11 05/26/2024
1.1.0-preview1-25305-02 13 05/26/2024
1.0.31 42 05/09/2022
1.0.31-preview1-24530-04 11 05/26/2024