HttpBaseProtocolFilter.SendRequestAsync(HttpRequestMessage) 方法

定義

命名空間:

Windows.Web.Http.Filters

使用 HttpBaseProtocolFilter 作為非同步作業傳送 HTTP 要求。

public:
 virtual IAsyncOperationWithProgress<HttpResponseMessage ^, HttpProgress> ^ SendRequestAsync(HttpRequestMessage ^ request) = SendRequestAsync;

/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperationWithProgress<HttpResponseMessage, HttpProgress> SendRequestAsync(HttpRequestMessage const& request);

[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperationWithProgress<HttpResponseMessage,HttpProgress> SendRequestAsync(HttpRequestMessage request);

function sendRequestAsync(request)

Public Function SendRequestAsync (request As HttpRequestMessage) As IAsyncOperationWithProgress(Of HttpResponseMessage, HttpProgress)

參數

request

HttpRequestMessage

要傳送的 HTTP 要求訊息。

傳回

IAsyncOperationWithProgress<HttpResponseMessage,HttpProgress>

物件，表示非同步作業。

實作

SendRequestAsync(HttpRequestMessage)

屬性

RemoteAsyncAttribute

備註

這項作業不會封鎖。 傳回的 IAsyncOperationWithProgress (HttpResponseMessage 和 HttpProgress) 在收到整個 HTTP 回應訊息之後完成。

以下是此函式擲回的例外狀況。

E_INVALIDARG

要求參數是 Visual Basic 中Nothing (Null參考) 。

E_ILLEGAL_METHOD_CALL

要求訊息已經由 HttpBaseProtocolFilter 實例傳送。