如何在windows phone 8.1/Windows 8.1中設置http客戶端請求操作的超時時間

Question

如何設置Timeout屬性爲HttpClient操作。我使用的代碼示例如下。

public HttpClient httpClient; 
public CancellationTokenSource cts; 

Public void SendRequest(addressUri,postrequestbody) 
{ 
    HttpHelper.CreateHttpClient(ref httpClient); 
    cts = new CancellationTokenSource(); 
    HttpRequestMessage msg = 
     new HttpRequestMessage(new HttpMethod("POST"), 
           new Uri(addressUri)); 
    msg.Content = new HttpStringContent(postrequestbody); 
    msg.Content.Headers.ContentType = 
     new HttpMediaTypeHeaderValue("application/json"); 
    HttpResponseMessage response = 
     await httpClient.SendRequestAsync(msg).AsTask(); 

    if (response.StatusCode == HttpStatusCode.Ok) 
    { 
    } 
} 

Answer 1

使用CancellationToken：

try 
{ 
    CancellationTokenSource cts = new CancellationTokenSource(2000); // 2 seconds 
    HttpClient client = new HttpClient(); 
    HttpResponseMessage response = await 
     client.SendRequestAsync(request).AsTask(cts.Token); 
} 
catch (TaskCanceledException ex) 
{ 
    // Catch operation aborted ... 
}