From Xojo Documentation
Used for reading text input in a ConsoleApplication.
The StandardInputStream class implements the Readable class interface.
Since there is only one StandardInputStream for the system, you do not need to create a StandardInputStream object to use; you just use StdIn.
StandardInputStream incorporates a conversion operator so that you can use StdIn as a TCPSocket. This is useful only for services that are started for you by xinetd on macOS or Linux. Here is an example of how to use this: