public ref class TcpClient : IDisposable
public class TcpClient : IDisposable
type TcpClient = class
interface IDisposable
Public Class TcpClient
Implements IDisposable
TcpClient
// Create a TcpClient.
// Note, for this client to work you need to have a TcpServer
// connected to the same address as specified by the server, port
// combination.
Int32 port = 13000;
TcpClient^ client = gcnew TcpClient( server,port );
// Translate the passed message into ASCII and store it as a Byte array.
array<Byte>^data = Text::Encoding::ASCII->GetBytes( message );
// Get a client stream for reading and writing.
// Stream stream = client->GetStream();
NetworkStream^ stream = client->GetStream();
// Send the message to the connected TcpServer.
stream->Write( data, 0, data->Length );
Console::WriteLine( "Sent: {0}", message );
// Receive the TcpServer::response.
// Buffer to store the response bytes.
data = gcnew array<Byte>(256);
// String to store the response ASCII representation.
String^ responseData = String::Empty;
// Read the first batch of the TcpServer response bytes.
Int32 bytes = stream->Read( data, 0, data->Length );
responseData = Text::Encoding::ASCII->GetString( data, 0, bytes );
Console::WriteLine( "Received: {0}", responseData );
// Close everything.
client->Close();
catch ( ArgumentNullException^ e )
Console::WriteLine( "ArgumentNullException: {0}", e );
catch ( SocketException^ e )
Console::WriteLine( "SocketException: {0}", e );
Console::WriteLine( "\n Press Enter to continue..." );
Console::Read();
static void Connect(String server, String message)
// Create a TcpClient.
// Note, for this client to work you need to have a TcpServer
// connected to the same address as specified by the server, port
// combination.
Int32 port = 13000;
TcpClient client = new TcpClient(server, port);
// Translate the passed message into ASCII and store it as a Byte array.
Byte[] data = System.Text.Encoding.ASCII.GetBytes(message);
// Get a client stream for reading and writing.
// Stream stream = client.GetStream();
NetworkStream stream = client.GetStream();
// Send the message to the connected TcpServer.
stream.Write(data, 0, data.Length);
Console.WriteLine("Sent: {0}", message);
// Receive the TcpServer.response.
// Buffer to store the response bytes.
data = new Byte[256];
// String to store the response ASCII representation.
String responseData = String.Empty;
// Read the first batch of the TcpServer response bytes.
Int32 bytes = stream.Read(data, 0, data.Length);
responseData = System.Text.Encoding.ASCII.GetString(data, 0, bytes);
Console.WriteLine("Received: {0}", responseData);
// Close everything.
stream.Close();
client.Close();
catch (ArgumentNullException e)
Console.WriteLine("ArgumentNullException: {0}", e);
catch (SocketException e)
Console.WriteLine("SocketException: {0}", e);
Console.WriteLine("\n Press Enter to continue...");
Console.Read();
Shared Sub Connect(server As [String], message As [String])
' Create a TcpClient.
' Note, for this client to work you need to have a TcpServer
' connected to the same address as specified by the server, port
' combination.
Dim port As Int32 = 13000
Dim client As New TcpClient(server, port)
' Translate the passed message into ASCII and store it as a Byte array.
Dim data As [Byte]() = System.Text.Encoding.ASCII.GetBytes(message)
' Get a client stream for reading and writing.
' Stream stream = client.GetStream();
Dim stream As NetworkStream = client.GetStream()
' Send the message to the connected TcpServer.
stream.Write(data, 0, data.Length)
Console.WriteLine("Sent: {0}", message)
' Receive the TcpServer.response.
' Buffer to store the response bytes.
data = New [Byte](256) {}
' String to store the response ASCII representation.
Dim responseData As [String] = [String].Empty
' Read the first batch of the TcpServer response bytes.
Dim bytes As Int32 = stream.Read(data, 0, data.Length)
responseData = System.Text.Encoding.ASCII.GetString(data, 0, bytes)
Console.WriteLine("Received: {0}", responseData)
' Close everything.
stream.Close()
client.Close()
Catch e As ArgumentNullException
Console.WriteLine("ArgumentNullException: {0}", e)
Catch e As SocketException
Console.WriteLine("SocketException: {0}", e)
End Try
Console.WriteLine(ControlChars.Cr + " Press Enter to continue...")
Console.Read()
End Sub
该
TcpClient
类提供在同步阻止模式下通过网络连接、发送和接收流数据的简单方法。
若要
TcpClient
连接和交换数据，
TcpListener
或
Socket
使用 TCP
ProtocolType
创建的数据必须侦听传入连接请求。 可以通过以下两种方式之一连接到此侦听器：
TcpClient
创建并调用三种可用
Connect
方法之一。
使用远程主机的主机名和端口号创建一个
TcpClient
。 此构造函数将自动尝试连接。
如果要在同步阻塞模式下发送无连接数据报，请使用
UdpClient
类。
