|
用C#写了一个DLL，如何传送信息给宿主程序？？？问题描述： DLL 做了一个 Socket监听，当收到信息（字符串之类的）后，如何将该信息传送给宿主程序？ ------解决方案--------------------事件么~
------解决方案--------------------用射映和动态解析
------解决方案-------------------- C# code
using System;
using System.ComponentModel;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Net.Sockets;
using System.Net;
using System.Windows.Forms;
using System.Threading;
namespace QQClass
{
public partial class UDPSocket : Component
{
private IPEndPoint ServerEndPoint = null; //定义网络端点
private UdpClient UDP_Server = new UdpClient(); //创建网络服务,也就是UDP的Sockets
private System.Threading.Thread thdUdp; //创建一个线程
public delegate void DataArrivalEventHandler(byte[] Data, IPAddress Ip, int Port); //定义了一个托管方法
public event DataArrivalEventHandler DataArrival; //通过托管在控件中定义一个事件
private string localHost = "192.168.1.126";
[Browsable(true), Category("Local"), Description("本地IP地址")] //在“属性”窗口中显示localHost属性
public string LocalHost
{
get { return localHost; }
set { localHost = value; }
}
// private int localPort = 11000;
private int localPort =80;
[Browsable(true), Category("Local"), Description("本地端口号")] //在“属性”窗口中显示localPort属性
public int LocalPort
{
get { return localPort; }
set { localPort = value; }
}
private bool active = false;
[Browsable(true), Category("Local"), Description("激活监听")] //在“属性”窗口中显示active属性
public bool Active
{
get { return active; }
set //该属性读取值
{
active = value;
if (active) //当值为True时
{
OpenSocket(); //打开监听
}
else
{
CloseSocket(); //关闭监听
}
}
}
public UDPSocket()
{
InitializeComponent();
}
public UDPSocket(IContainer container)
{
container.Add(this);
InitializeComponent();
}
protected void Listener() //监听
{
ServerEndPoint = new IPEndPoint(IPAddress.Any,localPort); //将IP地址和端口号以网络端点存储
if (UDP_Server != null)
UDP_Server.Close();
UDP_Server = new UdpClient(localPort); //创建一个新的端口号
UDP_Server.Client.ReceiveBufferSize = 1000000000; //接收缓冲区大小
UDP_Server.Client.SendBufferSize = 1000000000; //发送缓冲区大小
try
{
thdUdp = new Thread(new ThreadStart(GetUDPData)); //创建一个线程
thdUdp.Start(); //执行当前线程
}
catch (Exception e)
{
MessageBox.Show(e.ToString()); //显示线程的错误信息
}
}
private void GetUDPData() //获取当前接收的消息
{
while (active)
{
try
{
byte[] Data = UDP_Server.Receive(ref ServerEndPoint); //将获取的远程消息转换成二进制流
if (DataArrival != null)
{
DataArrival(Data, ServerEndPoint.Address, ServerEndPoint.Port);
}
Thread.Sleep(0);
}
catch { }
}
}
private void CallBackMethod(IAsyncResult ar)
{
//从异步状态ar.AsyncState中，获取委托对象
DataArrivalEventHandler dn = (DataArrivalEventHandler)ar.AsyncState;
//一定要EndInvoke，否则你的下场很惨
dn.EndInvoke(ar);
}
public void Send(System.Net.IPAddress
|