Page.AsyncPageBeginProcessRequest(HttpContext, AsyncCallback, Object) 方法

定義

命名空間:

System.Web.UI

組件:

System.Web.dll

開始處理非同步頁面要求。

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

參數

context

HttpContext

要求的 HttpContext。

callback

AsyncCallback

當完成處理時，要告知的回呼方法。

extraData

Object

非同步方法的狀態資料。

傳回

IAsyncResult

參考非同步要求的 IAsyncResult。