.NET Framework Class Library
IHttpAsyncHandler..::.BeginProcessRequest Method

Initiates an asynchronous call to the HTTP handler.

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)
Syntax

Visual Basic (Declaration)
Function BeginProcessRequest ( _
    context As HttpContext, _
    cb As AsyncCallback, _
    extraData As Object _
) As IAsyncResult
Visual Basic (Usage)
Dim instance As IHttpAsyncHandler
Dim context As HttpContext
Dim cb As AsyncCallback
Dim extraData As Object
Dim returnValue As IAsyncResult

returnValue = instance.BeginProcessRequest(context, _
    cb, extraData)
C#
IAsyncResult BeginProcessRequest(
    HttpContext context,
    AsyncCallback cb,
    Object extraData
)
Visual C++
IAsyncResult^ BeginProcessRequest(
    HttpContext^ context, 
    AsyncCallback^ cb, 
    Object^ extraData
)
JScript
function BeginProcessRequest(
    context : HttpContext, 
    cb : AsyncCallback, 
    extraData : Object
) : IAsyncResult

Parameters

context
Type: System.Web..::.HttpContext
An HttpContext object that provides references to intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests.
cb
Type: System..::.AsyncCallback
The AsyncCallback to call when the asynchronous method call is complete. If cb is nullNothingnullptra null reference (Nothing in Visual Basic), the delegate is not called.
extraData
Type: System..::.Object
Any extra data needed to process the request.

Return Value

Type: System..::.IAsyncResult
An IAsyncResult that contains information about the status of the process.
Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
See Also

Reference

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