Initiates an asynchronous call to the HTTP handler.
Namespace:
System.Web
Assembly:
System.Web (in System.Web.dll)
Visual Basic (Declaration)
Function BeginProcessRequest ( _
context As HttpContext, _
cb As AsyncCallback, _
extraData As Object _
) As IAsyncResult
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)
IAsyncResult BeginProcessRequest(
HttpContext context,
AsyncCallback cb,
Object extraData
)
IAsyncResult^ BeginProcessRequest(
HttpContext^ context,
AsyncCallback^ cb,
Object^ extraData
)
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.
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.
.NET Framework
Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
Reference