[导入]抢答客户端
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.IO;
using System.Threading;
namespace LeadUpClient
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 :
System.Windows.Forms.Form
{
private
System.Windows.Forms.TextBox txtNo;
private
System.Windows.Forms.Button button1;
private
System.Windows.Forms.TextBox txtIP;
private
System.Windows.Forms.Label label1;
private
System.Windows.Forms.Label label2;
/// <summary>
/// 必需的设计器变量。
/// </summary>
private
System.ComponentModel.Container components = null;
public
Form1()
{
//
// Windows
窗体设计器支持所必需的
//
InitializeComponent();
//
// TODO: 在
InitializeComponent 调用后添加任何构造函数代码
//
}
///
<summary>
///
清理所有正在使用的资源。
/// </summary>
protected override void
Dispose( bool disposing )
{
if( disposing
)
{
if
(components != null)
{
components.Dispose();
}
}
base.Dispose(
disposing );
}
#region
Windows 窗体设计器生成的代码
/// <summary>
/// 设计器支持所需的方法 -
不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void
InitializeComponent()
{
this.txtNo =
new System.Windows.Forms.TextBox();
this.button1
= new System.Windows.Forms.Button();
this.txtIP =
new System.Windows.Forms.TextBox();
this.label1 =
new System.Windows.Forms.Label();
this.label2 =
new System.Windows.Forms.Label();
this.SuspendLayout();
//
//
txtNo
//
this.txtNo.Location
= new System.Drawing.Point(72, 80);
this.txtNo.Name
= "txtNo";
this.txtNo.Size
= new System.Drawing.Size(200, 21);
this.txtNo.TabIndex
= 0;
this.txtNo.Text
= "";
//
//
button1
//
this.button1.Location
= new System.Drawing.Point(288, 32);
this.button1.Name
= "button1";
this.button1.TabIndex
= 1;
this.button1.Text
= "抢答";
this.button1.Click
+= new System.EventHandler(this.button1_Click);
//
//
txtIP
//
this.txtIP.Location
= new System.Drawing.Point(72, 32);
this.txtIP.Name
= "txtIP";
this.txtIP.Size
= new System.Drawing.Size(200, 21);
this.txtIP.TabIndex
= 2;
this.txtIP.Text
= "";
//
//
label1
//
this.label1.Location
= new System.Drawing.Point(8, 32);
this.label1.Name
= "label1";
this.label1.Size
= new System.Drawing.Size(64, 23);
this.label1.TabIndex
= 3;
this.label1.Text
= "服务器:";
//
//
label2
//
this.label2.Location
= new System.Drawing.Point(8, 80);
this.label2.Name
= "label2";
this.label2.Size
= new System.Drawing.Size(64, 23);
this.label2.TabIndex
= 4;
this.label2.Text
= "姓名:";
//
//
Form1
//
this.AutoScaleBaseSize
= new System.Drawing.Size(6, 14);
this.ClientSize
= new System.Drawing.Size(384, 125);
this.Controls.Add(this.label2);
this.Controls.Add(this.label1);
this.Controls.Add(this.txtIP);
this.Controls.Add(this.txtNo);
this.Controls.Add(this.button1);
this.FormBorderStyle
= System.Windows.Forms.FormBorderStyle.FixedSingle;
this.MaximizeBox
= false;
this.MinimizeBox
= false;
this.Name =
"Form1";
this.Text =
"抢答客户端";
this.Load +=
new System.EventHandler(this.Form1_Load);
this.ResumeLayout(false);
}
#endregion
///
<summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new
Form1());
}
private
void button1_Click(object sender, System.EventArgs e)
{
if(this.txtIP.Text=="")
{
MessageBox.Show("请填写抢答服务器名称。");
return
;
}
if(this.txtNo.Text=="")
{
MessageBox.Show("请填写名称。");
return
;
}
UdpClient
client=new UdpClient();
Encoding
code=Encoding.GetEncoding("gb2312");
byte[]
bs=code.GetBytes(this.txtNo.Text);
IPEndPoint
remote=new
IPEndPoint(IPAddress.Parse(this.txtIP.Text),10000);
client.Send(bs,bs.Length,remote);
}
private
void Form1_Load(object sender, System.EventArgs e)
{
Thread t=new
Thread(new ThreadStart(Read));
t.IsBackground=true;
t.Start();
}
private void Read()
{
UdpClient
client=new UdpClient(10001);
while(true)
{
IPEndPoint
remote=null;
Encoding
code=Encoding.GetEncoding("gb2312");
byte[]
bs=client.Receive(ref remote);
string
s=code.GetString(bs);
MessageBox.Show(s);
}
}
}
}
文章来源:http://blog.sina.com.cn/s/blog_49458c27010008sb.html