DefaultHttpHandler.BeginProcessRequest Method
Definition
Important
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Initiates an asynchronous call to the HTTP handler.
public:
virtual IAsyncResult ^ BeginProcessRequest(System::Web::HttpContext ^ context, AsyncCallback ^ callback, System::Object ^ state);public virtual IAsyncResult BeginProcessRequest (System.Web.HttpContext context, AsyncCallback callback, object state);abstract member BeginProcessRequest : System.Web.HttpContext * AsyncCallback * obj -> IAsyncResult
override this.BeginProcessRequest : System.Web.HttpContext * AsyncCallback * obj -> IAsyncResultPublic Overridable Function BeginProcessRequest (context As HttpContext, callback As AsyncCallback, state As Object) As IAsyncResultParameters
- context
- HttpContext
An object that provides references to intrinsic server objects that are used to service HTTP requests.
- callback
- AsyncCallback
The method to call when the asynchronous method call is complete. If callback is null, the delegate is not called.
- state
- Object
Any state data that is needed to process the request.
Returns
An IAsyncResult that contains information about the status of the process.
Implements
Exceptions
The preconditions for processing a request fail and either the requested file has the suffix .asp or the request was sent through POST.
Remarks
When creating an HTTP handler for asynchronous use, your handler must implement the asynchronous BeginProcessRequest and EndProcessRequest methods that are called asynchronously by ASP.NET.
