我正在用 C# 语言实现非常简单的 UDP 服务器。
当我在基于控制台的应用程序上实现服务器时，它运行良好。
但是当我在基于 Windows 的应用程序上使用相同的代码来实现它时，
它不像以前那样工作。
我猜是线程的问题。
所以我把线程放在代码上，但仍然不起作用。
“ReceiveFrom()”的功能不像以前那样工作了。
numReceived = udpSocket.ReceiveFrom(buffer, ref remoteEP);
我错过了什么问题？
先感谢您。
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.Runtime.InteropServices;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace UDP_Server
{
public partial class Form1 : Form
{
private const int portNum = 5432;
Socket udpSocket;
byte[] buffer = new Byte[100];
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
ThreadStart threadStart = new ThreadStart(onServer);
Thread thread = new Thread(threadStart);
thread.Start();
}
private void onServer()
{
EndPoint localEP = new IPEndPoint(IPAddress.Parse("xxx.xxx.xxx.xxx"), portNum);
//EndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
udpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
udpSocket.Bind(localEP);
ThreadStart threadStart1 = new ThreadStart(OnReceive);
Thread thread1 = new Thread(threadStart1);
thread1.Start();
//udpSocket.BeginReceiveFrom(buffer, 0, buffer.Length,
//SocketFlags.None, ref remoteEP, new AsyncCallback(OnReceive), (object)this);
}
private void OnReceive()//IAsyncResult ar)
{
int numReceived = 0;
EndPoint remoteEP = new IPEndPoint(IPAddress.Any, 0);
Console.WriteLine("UDP Starting Server");
Console.WriteLine("-----------------------------");
while (true)
{
numReceived = udpSocket.ReceiveFrom(buffer, ref remoteEP);
string s = Encoding.UTF8.GetString(buffer, 0, numReceived);
Console.WriteLine("Echo : {0}", s);
}
}
}
}