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Posted by KBG on November 1, 2006, 4:35 am
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Hi,
what is the dfiference between the OPOS and windows printer driver ?
( unable to get enough info via google )
regards,
Karthik Balaguru
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Posted by KBG on November 1, 2006, 5:25 am
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Got it via google , Thankyou.
OPOS was the first widely-adopted POS device standard. It was initiated
by Microsoft, NCR, Epson, and Fujitsu-ICL to help integrate POS
hardware into applications for the Windows=99 family of operating
systems. OPOS uses COM technology, and is therefore language
independent.
OLE for Retail POS consists of:
An architecture for Win32-based POS device access. OPOS is currently
deployed on Microsoft Windows 95, Windows 98, Windows ME, Windows NT,
Windows 2000, Windows XP, and Windows CE. A set of POS device
interfaces sufficient to support a wide range of POS solutions.
Release 1.6 includes 21 device classes.
OLE for Retail POS Controls adhere to the ActiveX Control
specifications. They expose properties, methods, and events to a
containing Application. The controls are invisible at run time, and
rely exclusively upon the containing application for requests through
methods and sometimes properties. Responses are given to the
application through method return values and parameters, properties,
and events.
The OLE for Retail POS software is implemented using the layers
Regards,
Karthik Balaguru
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