HttpClientHandler.Send(HttpRequestMessage, CancellationToken) 方法

定義

命名空間:
System.Net.Http
組件:
netstandard.dll, System.Net.Http.dll
來源:
HttpClientHandler.cs
來源:
HttpClientHandler.cs
來源:
HttpClientHandler.cs
來源:
HttpClientHandler.cs
來源:
HttpClientHandler.cs

根據 中提供的HttpResponseMessage資訊建立 的HttpRequestMessage實例。

protected public:
 override System::Net::Http::HttpResponseMessage ^ Send(System::Net::Http::HttpRequestMessage ^ request, System::Threading::CancellationToken cancellationToken);
[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
protected internal override System.Net.Http.HttpResponseMessage Send(System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken);
[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
[System.Runtime.Versioning.UnsupportedOSPlatform("android")]
[System.Runtime.Versioning.UnsupportedOSPlatform("ios")]
[System.Runtime.Versioning.UnsupportedOSPlatform("tvos")]
protected internal override System.Net.Http.HttpResponseMessage Send(System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken);
protected internal override System.Net.Http.HttpResponseMessage Send(System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken);
[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
override this.Send : System.Net.Http.HttpRequestMessage * System.Threading.CancellationToken -> System.Net.Http.HttpResponseMessage
[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("android")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("ios")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("tvos")>]
override this.Send : System.Net.Http.HttpRequestMessage * System.Threading.CancellationToken -> System.Net.Http.HttpResponseMessage
override this.Send : System.Net.Http.HttpRequestMessage * System.Threading.CancellationToken -> System.Net.Http.HttpResponseMessage
Protected Friend Overrides Function Send (request As HttpRequestMessage, cancellationToken As CancellationToken) As HttpResponseMessage

參數

request
HttpRequestMessage

HTTP 要求訊息。

cancellationToken
CancellationToken

一個取消標記來取消該操作。

傳回

HttpResponseMessage

HTTP 回應消息。

屬性
UnsupportedOSPlatformAttribute

例外狀況

ArgumentNullException

那是requestnull。

NotSupportedException

對於 HTTP/2 及以上版本，或當請求升級時，版本升級由 啟用。RequestVersionOrHigher

-或-

如果使用由 HttpContent 不覆寫 SerializeToStream(Stream, TransportContext, CancellationToken) 方法衍生出的自訂類別，

-或-

如果使用自訂 HttpMessageHandler 而非覆寫 Send(HttpRequestMessage, CancellationToken) 的方法，

OperationCanceledException

已取消要求。

-或-

如果例外 OperationCanceledException 是巢狀的： TimeoutException請求因逾時而失敗。

此例外會儲存在回傳的任務中。

適用於