HttpClientExtensions.PostAsync<T> Method (, String, T, MediaTypeFormatter, CancellationToken)
Sends a POST request as an asynchronous operation, with a specified value serialized using the given formatter. Includes a cancellation token to cancel the request.
Namespace: System.Net.Http
Assembly: System.Net.Http.Formatting (in System.Net.Http.Formatting.dll)
Syntax
'Declaration
<ExtensionAttribute> _
Public Shared Function PostAsync(Of T) ( _
client As HttpClient, _
requestUri As String, _
value As T, _
formatter As MediaTypeFormatter, _
cancellationToken As CancellationToken _
) As Task(Of HttpResponseMessage)
'Usage
Dim client As HttpClient
Dim requestUri As String
Dim value As T
Dim formatter As MediaTypeFormatter
Dim cancellationToken As CancellationToken
Dim returnValue As Task(Of HttpResponseMessage)
returnValue = client.PostAsync(requestUri, _
value, formatter, cancellationToken)
public static Task<HttpResponseMessage> PostAsync<T>(
this HttpClient client,
string requestUri,
T value,
MediaTypeFormatter formatter,
CancellationToken cancellationToken
)
[ExtensionAttribute]
public:
generic<typename T>
static Task<HttpResponseMessage^>^ PostAsync(
HttpClient^ client,
String^ requestUri,
T value,
MediaTypeFormatter^ formatter,
CancellationToken cancellationToken
)
static member PostAsync :
client:HttpClient *
requestUri:string *
value:'T *
formatter:MediaTypeFormatter *
cancellationToken:CancellationToken -> Task<HttpResponseMessage>
JScript does not support generic types and methods.
Type Parameters
- T
The type of object to serialize.
Parameters
client
Type: HttpClientThe client used to make the request.
requestUri
Type: System.StringThe URI the request is sent to.
value
Type: TThe value to write into the entity body of the request.
formatter
Type: System.Net.Http.Formatting.MediaTypeFormatterThe formatter used to serialize the value.
cancellationToken
Type: System.Threading.CancellationTokenA cancellation token that can be used by other objects or threads to receive notice of cancellation.
Return Value
Type: System.Threading.Tasks.Task<HttpResponseMessage>
A task object representing the asynchronous operation.
Usage Note
In Visual Basic and C#, you can call this method as an instance method on any object of type HttpClient. When you use instance method syntax to call this method, omit the first parameter. For more information, see https://msdn.microsoft.com/en-us/library/bb384936(v=vs.108) or https://msdn.microsoft.com/en-us/library/bb383977(v=vs.108).