ServiceCollection Class - Microsoft.Extensions.DependencyInjection

Summary

Class

Represents a collection of service descriptors that can be used to register services with a dependency injection container.

This class implements IServiceCollection and provides the functionality to add, remove, and manage service registrations.

Members

Constructors

Name	Description
ServiceCollection()	Initializes a new instance of the `ServiceCollection` class.

Methods

Name	Description
Add(ServiceDescriptor)	Adds the specified `ServiceDescriptor` to the collection.
AddSingleton()	Adds a singleton service of the specified type to the collection.
AddSingleton<TService>()	Adds a singleton service of the specified type to the collection.
AddScoped<TService>()	Adds a scoped service of the specified type to the collection.
AddTransient<TService>()	Adds a transient service of the specified type to the collection.
BuildServiceProvider()	Builds an `IServiceProvider` from the current service descriptors.

Properties

Name	Type	Description
Count	int	Gets the number of elements contained in the `ServiceCollection`.
IsReadOnly	bool	Gets a value indicating whether the `ServiceCollection` is read-only.

Example Usage

var services = new ServiceCollection();

// Add a singleton service
services.AddSingleton<IMyService, MyServiceImplementation>();

// Add a scoped service
services.AddScoped<IOtherService>();

// Add a transient service
services.AddTransient<ILoggerFactory>();

// Build the service provider
using (var provider = services.BuildServiceProvider())
{
    // Resolve services from the provider
    var myService = provider.GetService<IMyService>();
}