Add using to NetworkStream/WriteTimeout examples

Add using to NetworkStream/WriteTimeout examples

Author: liveans

snippets/cpp/VS_Snippets_Remoting/NclTcpServerSync/cpp/tcplistener.cpp

@@ -31,5 +31,9 @@ int main()
     // Stop listening for incoming connections
     // and close the server.
     tcpListener->Stop();
+
+    // Dispose allocated resources.
+    delete networkStream;
+    delete tcpClient;
 }
 //</snippet0>

snippets/csharp/System.Net.Sockets/NetworkStream/WriteTimeout/tcplistener.cs

@@ -17,11 +17,11 @@ public static void Main()
             Console.WriteLine("Waiting for a connection....");
 
             // Accept the pending client connection.
-            TcpClient tcpClient = tcpListener.AcceptTcpClient();
+            using TcpClient tcpClient = tcpListener.AcceptTcpClient();
             Console.WriteLine("Connection accepted.");
             // Get the stream to write the message
             // that will be sent to the client.
-            NetworkStream networkStream = tcpClient.GetStream();
+            using NetworkStream networkStream = tcpClient.GetStream();
             string responseString = "Hello.";
             // Set the write timeout to 10 millseconds.
             networkStream.WriteTimeout = 10;