Page.AsyncPageBeginProcessRequest(HttpContext, AsyncCallback, Object) Page.AsyncPageBeginProcessRequest(HttpContext, AsyncCallback, Object) Page.AsyncPageBeginProcessRequest(HttpContext, AsyncCallback, Object) Page.AsyncPageBeginProcessRequest(HttpContext, AsyncCallback, Object) Method

定義

非同期のページ要求の処理を開始します。Begins processing an asynchronous page request.

protected:
 IAsyncResult ^ AsyncPageBeginProcessRequest(System::Web::HttpContext ^ context, AsyncCallback ^ callback, System::Object ^ extraData);
protected IAsyncResult AsyncPageBeginProcessRequest (System.Web.HttpContext context, AsyncCallback callback, object extraData);
member this.AsyncPageBeginProcessRequest : System.Web.HttpContext * AsyncCallback * obj -> IAsyncResult
Protected Function AsyncPageBeginProcessRequest (context As HttpContext, callback As AsyncCallback, extraData As Object) As IAsyncResult

パラメーター

context
HttpContext HttpContext HttpContext HttpContext

要求の HttpContextThe HttpContext for the request.

callback
AsyncCallback AsyncCallback AsyncCallback AsyncCallback

処理がいつ完了するのかを知らせるコールバック メソッド。The callback method to notify when the process is complete.

extraData
Object Object Object Object

非同期メソッドの状態データ。State data for the asynchronous method.

戻り値

非同期の要求を参照する IAsyncResultAn IAsyncResult that references the asynchronous request.

適用対象