An error message window will be displayed when a serious error occurs during
TCP/IP communication, and execution of your application is halted until you
click the OKAY button in the message window.
The error message display can be turned off by setting ShowErrror to zero (0).
Your application will not halt automatically when an error occurs, but it is your
responsibility to take appropriate action in such case. Always checking the
return value of commands sends allows to do this.
Setting Timeout to a value greater than zero turns automatic blocking. See
chapter 5.3 for details. The following methods support auto-blocking: