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| using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Diagnostics;
using System.IO;
using System.Net.Sockets;
using System.Net;
namespace Liaison_IP
{
public partial class Form1 : Form
{
System.Net.Sockets.TcpClient clientSocket = new System.Net.Sockets.TcpClient();
public Form1()
{
InitializeComponent();
}
private void BP_Connect_Click(object sender, EventArgs e)
{
try
{
clientSocket.Connect("X.X.X.X", 2101);
lb_Etatduport.Text="Port ouvert";
}
catch
{
MessageBox.Show("erreur de connexion", "erreur");
}
}
public void BP_Envoyer_Click(object sender, EventArgs e)
{
NetworkStream serveurStream = clientSocket.GetStream();
byte[] outStream = System.Text.Encoding.ASCII.GetBytes(TB_MessageEnvoye.Text+'\r');
try
{
serveurStream.Write(outStream, 0, outStream.Length);
serveurStream.Flush();
byte[] inStream = new byte[clientSocket.ReceiveBufferSize];
AsyncCallback callback=new AsyncCallback(Fluxentrant);
Object state=outStream;
serveurStream.BeginRead(inStream, 0, clientSocket.ReceiveBufferSize, Fluxentrant, state);
}
catch
{
MessageBox.Show("erreur d'envoi", "erreur");
}
}
public void messagerecu(string msg)
{
TB_MessageReçu.Text=TB_MessageReçu.Text + msg;
}
private void Initializetimertestpicto()
{
timertestpicto.Enabled=true;
timertestpicto.Interval=60000;
}
public void Fluxentrant(IAsyncResult result)
{
int nbOctetsLus = clientSocket.EndRead(result);
if (nbOctetsLus != 0)
{
string returndata = System.Text.Encoding.ASCII.GetString(inStream, 0, nbOctetsLus);
messagerecu(returndata);
clientSocket.GetStream.BeginRead(inStream, 0, clientSocket.ReceiveBufferSize, Fluxentrant, null);
}
}
}
} |
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