public IAsyncResult BeginCreateRequest(string server, AsyncCallback callback, object state)
{
GenericAsyncResult<HttpWebRequest> asyncResult = new GenericAsyncResult<HttpWebRequest>(state, callback);
var request = HttpWebRequest.Create(server + url) as HttpWebRequest;
request.Method = method;
asyncResult.Data = request;
Task<Stream> task = Task<Stream>.Factory.FromAsync(request.BeginGetRequestStream, request.EndGetRequestStream, TaskCreationOptions.AttachedToParent);
task.ContinueWith(k=> {
Serialize(k.Result);
asyncResult.Finished();
});
return asyncResult;
}
