Close Methode
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TcpClient.Close-Methode ()


Gibt diese TcpClient-Instanz frei und fordert an, dass die zugrundeliegende TCP-Verbindung geschlossen wird.

Namespace:   System.Net.Sockets
Assembly:  System (in System.dll)

public void Close()

The Close method marks the instance as disposed and requests that the associated Socket close the TCP connection.Based on the LingerState property, the TCP connection may stay open for some time after the Close method is called when data remains to be sent.There is no notification provided when the underlying connection has completed closing.

Calling this method will eventually result in the close of the associated Socket and will also close the associated NetworkStream that is used to send and receive data if one was created.


This member outputs trace information when you enable network tracing in your application. Weitere Informationen finden Sie unter Netzwerkablaufverfolgung mit .Net Framework. Śledzenie sieci w .NET Framework.

The following code example demonstrates closing a TcpClient by calling the Close method.

using System;
using System.Text;
using System.Net;
using System.Net.Sockets;

namespace Examples.System.Net
    public class TCPClientExample
        public static void Main()
			// Create a client that will connect to a 
            // server listening on the contosoServer computer
            // at port 11000.
            TcpClient tcpClient = new TcpClient();
            tcpClient.Connect("contosoServer", 11000);
            // Get the stream used to read the message sent by the server.
            NetworkStream networkStream = tcpClient.GetStream();
            // Set a 10 millisecond timeout for reading.
            networkStream.ReadTimeout = 10;
            // Read the server message into a byte buffer.
            byte[] bytes = new byte[1024];
            networkStream.Read(bytes, 0, 1024);
            //Convert the server's message into a string and display it.
            string data = Encoding.UTF8.GetString(bytes);
            Console.WriteLine("Server sent message: {0}", data);

.NET Framework
Verfügbar seit 1.1
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