C# wm6通过udp协议和pc通讯

核心提示：}catch{//退出循环，结束线程break;}}}/// 发送数据到远程主机///private void sendData(){UdpClient myUdpClient = new UdpClient();IPAddress remoteIP=IPAddress.Parse(textBoxRemoteIP.Te

}

catch

{

//退出循环，结束线程

break;

}

}

}

/// 发送数据到远程主机

///

private void sendData()

{

UdpClient myUdpClient = new UdpClient();

IPAddress remoteIP=IPAddress.Parse(textBoxRemoteIP.Text);

if ( remoteIP== null)

{

MessageBox.Show("远程IP格式不正确");

return;

}

IPEndPoint iep = new IPEndPoint(remoteIP, port);

byte[] bytes = System.Text.Encoding.UTF8.GetBytes(textBoxSend.Text);

try

{

myUdpClient.Send(bytes, bytes.Length, iep);

myUdpClient.Close();

textBoxSend.Focus();

}

catch (Exception err)

{

MessageBox.Show(err.Message, "发送失败");

}

finally

{

myUdpClient.Close();

}

}

private void button1_Click(object sender, EventArgs e)

{

udpClient.Close();

Application.Exit();

}

private void button2_Click(object sender, EventArgs e)

{

sendData();

}

private void Form1_Load(object sender, EventArgs e)

{

//获取本机第一个可用IP地址

IPAddress myIP = IPAddress.Parse("192.168.0.100");

//为了在同一台机器调试，此IP也作为默认远程IP

textBoxRemoteIP.Text = myIP.ToString();

//创建一个线程接收远程主机发来的信息

Thread myThread = new Thread(new ThreadStart(ReceiveData));

//将线程设为后台运行

myThread.IsBackground = true;

myThread.Start();

textBoxSend.Focus();

}

}

}

客户端就ok了。

下面我们写服务器端，代码和客户端基本一致，就不赘述了，服务器端设计界面如下：