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private void bt_test_Click(object sender, EventArgs e)
{
IPAddress[] ipAddress = Dns.GetHostAddresses("whois.verisign-grs.com");
byte[] receiveBufferStr = new byte[1024];
IPEndPoint ipep = new IPEndPoint(ipAddress[0],43);
Socket socket = new Socket(ipep.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
string result = "";
int i = 0;
socket.Connect(ipep);
socket.Send(Encoding.ASCII.GetBytes("waihuiqq.com\r\n"));
do
{
i = socket.Receive(receiveBufferStr);
string temp = Encoding.ASCII.GetString(receiveBufferStr);
result += temp;//此处会都多次执行到,但result的值一直是第一次的值
//rtb_result.AppendText(temp);//可以得到完整的结果
} while (i > 0);
rtb_result.Clear();
rtb_result.AppendText(result);
MessageBox.Show("完成");
}
string temp = "";
do
{
i = socket.Receive(receiveBufferStr);
temp = Encoding.ASCII.GetString(receiveBufferStr);
result += temp;
} while (i > 0);