HttpClient.SendAsync Method (HttpRequestMessage, HttpCompletionOption, CancellationToken)

Sends an HTTP request with an HTTP completion option and cancellation token as an asynchronous operation.

Namespace:  System.Net.Http
Assembly:  System.Net.Http (in System.Net.Http.dll)


Public Function SendAsync ( _
    request As HttpRequestMessage, _
    completionOption As HttpCompletionOption, _
    cancellationToken As CancellationToken _
) As Task(Of HttpResponseMessage)
Dim instance As HttpClient 
Dim request As HttpRequestMessage 
Dim completionOption As HttpCompletionOption 
Dim cancellationToken As CancellationToken 
Dim returnValue As Task(Of HttpResponseMessage)

returnValue = instance.SendAsync(request, _
    completionOption, cancellationToken)
public Task<HttpResponseMessage> SendAsync(
    HttpRequestMessage request,
    HttpCompletionOption completionOption,
    CancellationToken cancellationToken
Task<HttpResponseMessage^>^ SendAsync(
    HttpRequestMessage^ request, 
    HttpCompletionOption completionOption, 
    CancellationToken cancellationToken
member SendAsync : 
        request:HttpRequestMessage * 
        completionOption:HttpCompletionOption * 
        cancellationToken:CancellationToken -> Task<HttpResponseMessage> 
public function SendAsync(
    request : HttpRequestMessage, 
    completionOption : HttpCompletionOption, 
    cancellationToken : CancellationToken
) : Task<HttpResponseMessage>


Return Value

Type: System.Threading.Tasks.Task<HttpResponseMessage>
The task object representing the asynchronous operation.


This operation will not block. The returned task object will complete once the entire response including content is read.

For a complete example of using the HttpClient class, see Calling a Web API From a .NET Client

See Also


HttpClient Class

SendAsync Overload

System.Net.Http Namespace