The CTREGION.DLL contains the common
functionality of all 32-bit drivers. The driver uses this DLL to
perform operations like opening COM ports, accessing hardware etc.
The CTREGION is meant to be backward compatible, so that older
32-bit drivers supplied by Ci Technologies can be used with the
CTREGION.DLL supplied with new versions of Citect.
When drivers are supplied separately to Citect (say as part of a
Beta program) they are often supplied with a new CTREGION.DLL to
ensure that the driver has at least the version it requires to
operate. However new releases of Citect may have more recent
versions of the CTREGION.DLL so you do not need to install the
CTREGION.DLL supplied with the Citect driver. Symptoms of the
Citect driver not having the appropriate CTREGION.DLL may include
"Driver not initialised'.
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