HttpContent.CopyToAsync Method (Stream)
Serialize the HTTP content into a stream of bytes and copies it to the stream object provided as the stream parameter.
Assembly: System.Net.Http (in System.Net.Http.dll)
This operation will not block. The returned Task<TResult> object will complete after all of the content has been written to the stream object passed as the stream parameter.
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.