using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.Net.Sockets;
using System.Net;
using System.IO;
namespace WindowsFormsApplication2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
Socket client;
private void button2_Click(object sender, EventArgs e)
{
client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPAddress ip = IPAddress.Parse(this.ip.Text);
IPEndPoint prot = new IPEndPoint(ip, Convert.ToInt32(this.port.Text));
client.Connect(prot); //服务器端口
listin("连接成功");
Thread th = new Thread(sends);
th.Start();
}
public void listin(string msg)
{
this.textBox2.AppendText(msg + "\r\n");
}
void sends()
{
try{
while (true)
{
Byte[] buf = new Byte[1024 * 1024 * 3];
int result = client.Receive(buf);
if (result == 0)
{
break;
}
if (buf[0] == 0)
{
//接收消息
string str = Encoding.UTF8.GetString(buf, 1, result-1);
listin(client.RemoteEndPoint.ToString() + ":" + str);
}
else if (buf[0] == 1)
{
SaveFileDialog sd = new SaveFileDialog(); //创建
// 保存文件对话框
sd.InitialDirectory = @"C:\Documents and Settings\All Users\桌面"; //设置对话框路径
sd.Title = "对话框1"; //对话框标题
sd.Filter = "所有文件|*.*";
sd.ShowDialog();
string path = sd.FileName;
using (FileStream fsv = new FileStream(path, FileMode.Create, FileAccess.Write))
{
//byte[] bytes = Encoding.Default.GetBytes(this.textBox1.Text);
//string str = Encoding.UTF8.GetString(buf, 1, result - 1);
fsv.Write(buf, 1, buf.Length - 1);
}
MessageBox.Show("保存成功");
}
else if (buf[0] == 2)
{
zheng();
}
}
}
catch
{
}
}
void zheng()
{
int x = this.Location.X;
int y = this.Location.Y;
for (int i = 0; i < 500; i++)
{
this.Location = new Point(x - 20, y - 20);
this.Location = new Point(x , y);
}
}
private void Form1_Load(object sender, EventArgs e)
{
Control.CheckForIllegalCrossThreadCalls = false;
}
private void button1_Click(object sender, EventArgs e)
{
string str = this.textBox1.Text.Trim();
Byte[] buf = System.Text.Encoding.UTF8.GetBytes(str);
client.Send(buf);
}
}
}