System.Net.WebSockets.WebSocketBase.EnsureSendOperation C# (CSharp) Method

        private void EnsureSendOperation()
        {
            if (_sendOperation == null)
            {
                lock (_thisLock)
                {
                    if (_sendOperation == null)
                    {
                        _sendOperation = new WebSocketOperation.SendOperation(this);
                    }
                }
            }
        }