HttpClient::GetAsync Method (Uri^, HttpCompletionOption, CancellationToken)
Send a GET request to the specified Uri with an HTTP completion option and a cancellation token as an asynchronous operation.
Assembly: System.Net.Http (in System.Net.Http.dll)
public:
Task<HttpResponseMessage^>^ GetAsync(
Uri^ requestUri,
HttpCompletionOption completionOption,
CancellationToken cancellationToken
)
Parameters
- requestUri
-
Type:
System::Uri^
The Uri the request is sent to.
- completionOption
-
Type:
System.Net.Http::HttpCompletionOption
An HTTP completion option value that indicates when the operation should be considered completed.
- cancellationToken
-
Type:
System.Threading::CancellationToken
A cancellation token that can be used by other objects or threads to receive notice of cancellation.
Return Value
Type: System.Threading.Tasks::Task<HttpResponseMessage^>^The task object representing the asynchronous operation.
| Exception | Condition |
|---|---|
| ArgumentNullException | The requestUri was null. |
| HttpRequestException | The request failed due to an underlying issue such as network connectivity, DNS failure, server certificate validation or timeout. |
This operation will not block. The returned Task<TResult> object will complete based on the completionOption parameter after the part or all of the response (including content) is read.
Available since 8
.NET Framework
Available since 4.5
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1