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UseExtensions.Use Method

  • Reference

Definition

Namespace:
Microsoft.AspNetCore.Builder
Assembly:
Microsoft.AspNetCore.Http.Abstractions.dll
Package:
Microsoft.AspNetCore.App.Ref v6.0.6
Package:
Microsoft.AspNetCore.App.Ref v7.0.5
Package:
Microsoft.AspNetCore.App.Ref v8.0.0
Package:
Microsoft.AspNetCore.App.Ref v9.0.0
Package:
Microsoft.AspNetCore.Http.Abstractions v1.0.0
Package:
Microsoft.AspNetCore.Http.Abstractions v1.1.0
Package:
Microsoft.AspNetCore.Http.Abstractions v2.0.0
Package:
Microsoft.AspNetCore.Http.Abstractions v2.1.0
Package:
Microsoft.AspNetCore.Http.Abstractions v2.2.0
Package:
Microsoft.AspNetCore.App.Ref v3.0.1
Package:
Microsoft.AspNetCore.App.Ref v3.1.10
Package:
Microsoft.AspNetCore.App.Ref v5.0.0

Overloads

Use(IApplicationBuilder, Func<HttpContext,RequestDelegate,Task>)

Adds a middleware delegate defined in-line to the application's request pipeline. If you aren't calling the next function, use Run(IApplicationBuilder, RequestDelegate) instead.
Use(IApplicationBuilder, Func<HttpContext,Func<Task>,Task>)

Adds a middleware delegate defined in-line to the application's request pipeline. If you aren't calling the next function, use Run(IApplicationBuilder, RequestDelegate) instead.

Prefer using Use(IApplicationBuilder, Func<HttpContext,RequestDelegate,Task>) for better performance as shown below: 

app.Use((context, next) =>
{
    return next(context);
});

Use(IApplicationBuilder, Func<HttpContext,RequestDelegate,Task>)

Source:
UseExtensions.cs

Adds a middleware delegate defined in-line to the application's request pipeline. If you aren't calling the next function, use Run(IApplicationBuilder, RequestDelegate) instead.

public static Microsoft.AspNetCore.Builder.IApplicationBuilder Use (this Microsoft.AspNetCore.Builder.IApplicationBuilder app, Func<Microsoft.AspNetCore.Http.HttpContext,Microsoft.AspNetCore.Http.RequestDelegate,System.Threading.Tasks.Task> middleware);
static member Use : Microsoft.AspNetCore.Builder.IApplicationBuilder * Func<Microsoft.AspNetCore.Http.HttpContext, Microsoft.AspNetCore.Http.RequestDelegate, System.Threading.Tasks.Task> -> Microsoft.AspNetCore.Builder.IApplicationBuilder
<Extension()>
Public Function Use (app As IApplicationBuilder, middleware As Func(Of HttpContext, RequestDelegate, Task)) As IApplicationBuilder

Parameters

app
IApplicationBuilder

The IApplicationBuilder instance.

middleware
Func<HttpContext,RequestDelegate,Task>

A function that handles the request and calls the given next function.

Returns

IApplicationBuilder

The IApplicationBuilder instance.

Applies to

Use(IApplicationBuilder, Func<HttpContext,Func<Task>,Task>)

Source:
UseExtensions.cs
Source:
UseExtensions.cs
Source:
UseExtensions.cs

Adds a middleware delegate defined in-line to the application's request pipeline. If you aren't calling the next function, use Run(IApplicationBuilder, RequestDelegate) instead.

Prefer using Use(IApplicationBuilder, Func<HttpContext,RequestDelegate,Task>) for better performance as shown below: 

app.Use((context, next) =>
{
    return next(context);
});


public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::AspNetCore::Builder::IApplicationBuilder ^ Use(Microsoft::AspNetCore::Builder::IApplicationBuilder ^ app, Func<Microsoft::AspNetCore::Http::HttpContext ^, Func<System::Threading::Tasks::Task ^> ^, System::Threading::Tasks::Task ^> ^ middleware);
public static Microsoft.AspNetCore.Builder.IApplicationBuilder Use (this Microsoft.AspNetCore.Builder.IApplicationBuilder app, Func<Microsoft.AspNetCore.Http.HttpContext,Func<System.Threading.Tasks.Task>,System.Threading.Tasks.Task> middleware);
static member Use : Microsoft.AspNetCore.Builder.IApplicationBuilder * Func<Microsoft.AspNetCore.Http.HttpContext, Func<System.Threading.Tasks.Task>, System.Threading.Tasks.Task> -> Microsoft.AspNetCore.Builder.IApplicationBuilder
<Extension()>
Public Function Use (app As IApplicationBuilder, middleware As Func(Of HttpContext, Func(Of Task), Task)) As IApplicationBuilder

Parameters

app
IApplicationBuilder

The IApplicationBuilder instance.

middleware
Func<HttpContext,Func<Task>,Task>

A function that handles the request and calls the given next function.

Returns

IApplicationBuilder

The IApplicationBuilder instance.

Applies to