System.Net.StreamFramer.BeginReadMessage C# (CSharp) Метод

        public IAsyncResult BeginReadMessage(AsyncCallback asyncCallback, object stateObject)
        {
            WorkerAsyncResult workerResult;

            if (_eof)
            {
                workerResult = new WorkerAsyncResult(this, stateObject, asyncCallback, null, 0, 0);
                workerResult.InvokeCallback(-1);
                return workerResult;
            }

            workerResult = new WorkerAsyncResult(this, stateObject, asyncCallback,
                                                                   _readHeaderBuffer, 0,
                                                                   _readHeaderBuffer.Length);

            IAsyncResult result = _transport.BeginRead(_readHeaderBuffer, 0, _readHeaderBuffer.Length,
                _readFrameCallback, workerResult);

            if (result.CompletedSynchronously)
            {
                ReadFrameComplete(result);
            }

            return workerResult;
        }