UDP广播的方式收发数据(C#)

/// <summary>
/// 发送信息
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, EventArgs e)
{
UdpClient client = new UdpClient(AddressFamily.InterNetwork);
IPEndPoint iep = new IPEndPoint(IPAddress.Broadcast, 9095);
byte[] buffer = Encoding.UTF8.GetBytes(richTextBox1.Text);
client.Send(buffer, buffer.Length, iep);
client.Close();
}

/// <summary>
/// 接收信息
/// </summary>
private void RecvMessage()
{
IPEndPoint iep = new IPEndPoint(IPAddress.Any, 9095);
udpReceive = new UdpClient(iep);
byte[] data;
while (flag)
{
data = udpReceive.Receive(ref iep);
MessageBox.Show(Encoding.UTF8.GetString(data));
}
}