Send an HTTP request as an asynchronous operation.
public Task<HttpResponseMessage> SendAsync(
The HTTP request message to send.
The request was null.
The request message was already sent by the HttpClient instance.
This operation will not block. The returned Task<TResult> object will complete once the entire response including content is read.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.