Provided only for compatibility.
Note: Although this function normally disables port input/output, in INtime port input/output is always enabled.
BOOLEAN RtDisablePortIo(
    PUCHAR StartPort,
    ULONG nNumberOfBytes
);
StartPort 
nNumberOfBytes 
No action taken.
Always returns TRUE.
| Versions | Defined in | Include | Link to | 
|---|---|---|---|
| INtime 3.0 | intime/rt/include/iwin32.h | iwin32.h | iwin32.lib | 
Note
This function operates in the real-time portion of your application.
iwin32 API, iwin32 Overview