Microsoft.Extensions.DependencyInjection 9.0.1

About

Supports the dependency injection (DI) software design pattern which is a technique for achieving Inversion of Control (IoC) between classes and their dependencies.

Key Features

Provides an implementation of the DI interfaces found in the Microsoft.Extensions.DependencyInjection.Abstractions package.

How to Use

ServiceCollection services = new ();
services.AddSingleton<IMessageWriter, MessageWriter>();
using ServiceProvider provider = services.BuildServiceProvider();

// The code below, following the IoC pattern, is typically only aware of the IMessageWriter interface, not the implementation.
IMessageWriter messageWriter = provider.GetService<IMessageWriter>()!;
messageWriter.Write("Hello");

public interface IMessageWriter
{
    void Write(string message);
}

internal class MessageWriter : IMessageWriter
{
    public void Write(string message)
    {
        Console.WriteLine($"MessageWriter.Write(message: \"{message}\")");
    }
}

Main Types

The main types provided by this library are:

  • Microsoft.Extensions.DependencyInjection.DefaultServiceProviderFactory
  • Microsoft.Extensions.DependencyInjection.ServiceCollectionContainerBuilderExtensions
  • Microsoft.Extensions.DependencyInjection.ServiceProvider

Additional Documentation

  • Microsoft.Extensions.DependencyInjection.Abstractions
  • Microsoft.Extensions.Hosting
  • Microsoft.Extensions.Options

Feedback & Contributing

Microsoft.Extensions.DependencyInjection 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 Microsoft.Extensions.DependencyInjection.

Packages Downloads
Microsoft.AspNetCore.Components.Web
Support for rendering ASP.NET Core components for browsers. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/432e6a061f28dda696ba16bc5442328d23b25d93
15
Microsoft.AspNetCore.DataProtection.Extensions
Additional APIs for ASP.NET Core data protection. This package was built from the source code at https://github.com/dotnet/aspnetcore/tree/6a01dd1e69c8b9bd1ae005ea465ef2bcd26294bf
16
Microsoft.AspNetCore.Mvc.Core
ASP.NET Core MVC core components. Contains common action result types, attribute routing, application model conventions, API explorer, application parts, filters, formatters, model binding, and more. Commonly used types: Microsoft.AspNetCore.Mvc.AreaAttribute Microsoft.AspNetCore.Mvc.BindAttribute Microsoft.AspNetCore.Mvc.ControllerBase Microsoft.AspNetCore.Mvc.FromBodyAttribute Microsoft.AspNetCore.Mvc.FromFormAttribute Microsoft.AspNetCore.Mvc.RequireHttpsAttribute Microsoft.AspNetCore.Mvc.RouteAttribute This package was built from the source code at https://github.com/aspnet/Mvc/tree/a6199bbfbab05583f987bae322fb04566841aaea
16
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
15
Microsoft.Extensions.Logging
Logging infrastructure default implementation for Microsoft.Extensions.Logging.
15
Microsoft.Extensions.Logging
Logging infrastructure default implementation for Microsoft.Extensions.Logging.
17
Microsoft.Extensions.Logging
Logging infrastructure default implementation for Microsoft.Extensions.Logging.
18
Microsoft.Extensions.Logging
Logging infrastructure default implementation for Microsoft.Extensions.Logging.
19
Microsoft.Extensions.Logging
Logging infrastructure default implementation for Microsoft.Extensions.Logging.
32
Microsoft.VisualStudio.Web.CodeGeneration.Core
Contains the core infrastructure used by ASP.NET Core Code Generators.
14
Microsoft.VisualStudio.Web.CodeGeneration.Core
Contains the core infrastructure used by ASP.NET Core Code Generators.
15
Npgsql.EntityFrameworkCore.PostgreSQL.Design
Npgsql.EntityFrameworkCore.PostgreSQL.Design
14
Serilog.AspNetCore
Serilog support for ASP.NET Core logging
15
Serilog.AspNetCore
Serilog support for ASP.NET Core logging
18
Serilog.AspNetCore
Serilog support for ASP.NET Core logging
30

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