System.Net.Http.WinHttpRequestCallback.OnRequestReadComplete C# (CSharp) Method

        private static void OnRequestReadComplete(WinHttpRequestState state, uint bytesRead)
        {
            Debug.Assert(state != null, "OnRequestReadComplete: state is null");

            // If we read to the end of the stream and we're using 'Content-Length' semantics on the response body,
            // then verify we read at least the number of bytes required.
            if (bytesRead == 0
                && state.ExpectedBytesToRead.HasValue
                && state.CurrentBytesRead < state.ExpectedBytesToRead.Value)
            {
                state.LifecycleAwaitable.SetException(new IOException(string.Format(
                    SR.net_http_io_read_incomplete,
                    state.ExpectedBytesToRead.Value,
                    state.CurrentBytesRead)));
            }
            else
            {
                state.CurrentBytesRead += (long)bytesRead;
                state.LifecycleAwaitable.SetResult((int)bytesRead);
            }
        }