Refactor code

Frameworks/MQTTnet.UniversalWindows/Implementations/MqttTcpChannel.cs

@@ -54,8 +54,8 @@ namespace MQTTnet.Implementations
                 await _socket.ConnectAsync(new HostName(options.Server), options.GetPort().ToString(), SocketProtectionLevel.Tls12);
             }
 
-            ReceiveStream = _socket.InputStream.AsStreamForRead();
             SendStream = _socket.OutputStream.AsStreamForWrite();
+            ReceiveStream = _socket.InputStream.AsStreamForRead();
             RawReceiveStream = ReceiveStream;
         }
 

Frameworks/MQTTnet.UniversalWindows/Implementations/MqttWebSocketChannel.cs

@@ -28,10 +28,11 @@ namespace MQTTnet.Implementations
             {
                 uri += ":" + options.Port;
             }
-
+            
             _webSocket = new ClientWebSocket();
             _webSocket.Options.KeepAliveInterval = options.KeepAlivePeriod;
             await _webSocket.ConnectAsync(new Uri(uri), CancellationToken.None).ConfigureAwait(false);
+
             RawReceiveStream = new WebSocketStream(_webSocket);
         }
 

Frameworks/MQTTnet.UniversalWindows/Implementations/WebSocketStream.cs

@@ -27,7 +27,7 @@ namespace MQTTnet.Implementations
             {
                 var response = await _webSocket.ReceiveAsync(new ArraySegment<byte>(buffer, currentOffset, count), cancellationToken).ConfigureAwait(false);
                 currentOffset += response.Count;
-
+                
                 if (response.MessageType == WebSocketMessageType.Close)
                 {
                     await _webSocket.CloseAsync(WebSocketCloseStatus.NormalClosure, string.Empty, cancellationToken).ConfigureAwait(false);
@@ -56,15 +56,12 @@ namespace MQTTnet.Implementations
         public override bool CanSeek => false;
         public override bool CanWrite => true;
 
-        public override long Length
-        {
-            get { throw new NotSupportedException(); }
-        }
+        public override long Length => throw new NotSupportedException();
 
         public override long Position
         {
-            get { throw new NotSupportedException(); }
-            set { throw new NotSupportedException(); }
+            get => throw new NotSupportedException();
+            set => throw new NotSupportedException();
         }
 
         public override long Seek(long offset, SeekOrigin origin)