ExceptionHandlerExtensions.HandleAsync Method (IExceptionHandler, ExceptionContext, CancellationToken)

Calls an exception handler and determines the response handling it, if any.

Namespace:   System.Web.Http.ExceptionHandling
Assembly:  System.Web.Http (in System.Web.Http.dll)

Syntax

public static Task<HttpResponseMessage> HandleAsync(
    this IExceptionHandler handler,
    ExceptionContext context,
    CancellationToken cancellationToken
)

public:
[ExtensionAttribute]
static Task<HttpResponseMessage^>^ HandleAsync(
    IExceptionHandler^ handler,
    ExceptionContext^ context,
    CancellationToken cancellationToken
)

static member HandleAsync : 
        handler:IExceptionHandler *
        context:ExceptionContext *
        cancellationToken:CancellationToken -> Task<HttpResponseMessage>

<ExtensionAttribute>
Public Shared Function HandleAsync (
    handler As IExceptionHandler,
    context As ExceptionContext,
    cancellationToken As CancellationToken
) As Task(Of HttpResponseMessage)

Parameters

• handler
  Type: System.Web.Http.ExceptionHandling.IExceptionHandler

  The unhandled exception handler.

• context
  Type: System.Web.Http.ExceptionHandling.ExceptionContext

  The exception context.

• cancellationToken
  Type: System.Threading.CancellationToken

  The token to monitor for cancellation requests.

Return Value

Type: System.Threading.Tasks.Task<HttpResponseMessage>

A task that, when completed, contains the response message to return when the exception is handled, or null when the exception remains unhandled.

See Also

ExceptionHandlerExtensions Class
System.Web.Http.ExceptionHandling Namespace

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