PostmarkDotNet.PostmarkClient.BeginGetPostmarkResponse C# (CSharp) Method

        private void BeginGetPostmarkResponse(RestRequest request, Action<PostmarkResponse> callback)
        {
            _client.BeginRequest(request, new RestCallback((req, resp, state) =>
            {
                var postmark = GetPostmarkResponseImpl(resp);

                callback(postmark);
            }));
        }