一旦通訊端中斷連接，您就只能再次非同步地重新連接，並且只可以連接至不同的 EndPoint。在作業完成之前，都必須在不會結束的執行緒上呼叫 BeginConnect。

Once the socket has been disconnected, you can only reconnect again asynchronously, and only to a different EndPoint. BeginConnect must be called on a thread that won't exit until the operation has been completed.