Tying to write OPOS SO for Line Display

Hi,

I am a newbie in OPOS.

I am trying to write an OPOS SO to an app which uses OPOS 1.6 and it uses an OPOS CO. The "line display" is in fact a TFT display, and SO talks with it through a socket. Socket interface functions OK, the CO - SO is a pain.

We can not use POS for .NET due to app.

Can you direct me to a sample code of an SO ?

At the moment When trying to use it through the MonroeCS CO control (OPOSLineDisplay.ocx, version OposCCOs-1_11_001), Open gives code 104 (=OPOS_E_NOSERVICE), and get_OpenResult() gives code 305 (=OPOS_OR_BADIF).

What these return codes really means ?

In Control Programmer's Guide (OLE for Retail POS, Release 1.6) this is said in page 18, item 5: CLIP --> ... (This ensures that the Service Object supports at least the minimum methods of a valid Service Object for the device class, before calling any of its methods.) CLIP

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eskomk
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