vtortola.WebSockets.Rfc6455.WebSocketMessageWriteRfc6455Stream.CloseAsync C# (CSharp) Method

        public override async Task CloseAsync(CancellationToken cancellation)
        {
            if (!_isFinished)
            {
                _isFinished = true;
                await _webSocket.Connection.WriteInternalAsync(_webSocket.Connection.SendBuffer, _internalUsedBufferLength, true, _isHeaderSent, _messageType, ExtensionFlags, cancellation).ConfigureAwait(false);
                _webSocket.Connection.EndWritting();
            }
        }
    }