C# UDP 通信

public class UDPHelper
{

public UDPHelper(string sendiP, int sendPort, string localIP, int localPort)
{
point = new IPEndPoint(IPAddress.Parse(localIP), Convert.ToInt32(localPort));
udpClient = new UdpClient();
udpClient.Client.Bind(point);
SendPoint = new IPEndPoint(IPAddress.Parse(sendiP), Convert.ToInt32(sendPort));
}

public IPEndPoint SendPoint;

public IPEndPoint point;

public UdpClient udpClient;

public void SendMsg(string msg)
{
byte[] buffer = Encoding.UTF8.GetBytes(msg);
udpClient.Send(buffer, buffer.Length, SendPoint);
}

public void ReceiveMsg()
{
while (true)
{
byte[] data = udpClient.Receive(ref point);
string message = Encoding.Default.GetString(data);
}
}
}