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UseWhenExtensions.UseWhen Method

  • Reference

Definition

Namespace:
Microsoft.AspNetCore.Builder
Assembly:
Microsoft.AspNetCore.Http.Abstractions.dll
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
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
Source:
UseWhenExtensions.cs
Source:
UseWhenExtensions.cs
Source:
UseWhenExtensions.cs

Conditionally creates a branch in the request pipeline that is rejoined to the main pipeline.

public:
[System::Runtime::CompilerServices::Extension]
 static Microsoft::AspNetCore::Builder::IApplicationBuilder ^ UseWhen(Microsoft::AspNetCore::Builder::IApplicationBuilder ^ app, Func<Microsoft::AspNetCore::Http::HttpContext ^, bool> ^ predicate, Action<Microsoft::AspNetCore::Builder::IApplicationBuilder ^> ^ configuration);
public static Microsoft.AspNetCore.Builder.IApplicationBuilder UseWhen (this Microsoft.AspNetCore.Builder.IApplicationBuilder app, Func<Microsoft.AspNetCore.Http.HttpContext,bool> predicate, Action<Microsoft.AspNetCore.Builder.IApplicationBuilder> configuration);
static member UseWhen : Microsoft.AspNetCore.Builder.IApplicationBuilder * Func<Microsoft.AspNetCore.Http.HttpContext, bool> * Action<Microsoft.AspNetCore.Builder.IApplicationBuilder> -> Microsoft.AspNetCore.Builder.IApplicationBuilder
<Extension()>
Public Function UseWhen (app As IApplicationBuilder, predicate As Func(Of HttpContext, Boolean), configuration As Action(Of IApplicationBuilder)) As IApplicationBuilder

Parameters

app
IApplicationBuilder
predicate
Func<HttpContext,Boolean>

Invoked with the request environment to determine if the branch should be taken

configuration
Action<IApplicationBuilder>

Configures a branch to take

Returns

IApplicationBuilder

Applies to