3 回答

TA贡献1853条经验 获得超6个赞
我不确定我是否正确理解您的问题,但是您是否正在尝试实现这样的目标?
private void button1_Click(object sender, EventArgs e)
{
try
{
IPHostEntry hostEntry;
hostEntry = Dns.GetHostEntry(textBox3.Text);
if (hostEntry.AddressList.Length > 0)
{
var ip = hostEntry.AddressList[0];
Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
s.Connect(ip, 80);
textBox5.Text = ip.ToString();
}
}
catch
{
textBox5.Text = "No Conversion available";
}
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