如何设置TcpClient的超时时间？

您将需要使用async

BeginConnect

TcpClient

var client = new TcpClient();var result = client.BeginConnect("remotehost", this.Port, null, null);var success = result.AsyncWaitHandle.WaitOne(TimeSpan.FromSeconds(1));if (!success){    throw new Exception("Failed to connect.");}// we have connectedclient.EndConnect(result);