System.Net.Sockets.TcpClient.Connect Method

Connects the client to the specified port on the specified host.

Syntax

public void Connect (string hostname, int port)

Parameters

hostname
The DNS name of the remote host to which you intend to connect.
port
The port number of the remote host to which you intend to connect.

Remarks

Call this method to establish a synchronous remote host connection to the specified host name and port number. The TcpClient.Connect(string, int) method will block until it either connects or fails. After connecting with the remote host, use the TcpClient.GetStream method to obtain the underlying System.Net.Sockets.NetworkStream. Use this System.Net.Sockets.NetworkStream to send and receive data.

If IPv6 is enabled and the TcpClient.Connect(string, int) method is called to connect to a host that resolves to both IPv6 and IPv4 addresses, the connection to the IPv6 address will be attempted first before the IPv4 address. This may have the effect of delaying the time to establish the connection if the host is not listening on the IPv6 address.

Note:

If you receive a System.Net.Sockets.SocketException, use SocketException.ErrorCode to obtain the specific error code. After you have obtained this code, you can refer to the Windows Sockets version 2 API error code documentation in MSDN for a detailed description of the error.

Note:

This member outputs trace information when you enable network tracing in your application. For more information, see [<topic://conUsingNetworkTracing>].

Requirements

Namespace: System.Net.Sockets
Assembly: System (in System.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0, 4.0.0.0