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  1. Diederik

    barcode scanner

    Have a look at www.adams1.com/pub/russadam Here you'll find loads of information on barcodes Oh, and there's also a 'bar coding' forum in tek tips... Diederik
  2. Diederik

    OPOS - Does anyone have coding examples?

    Epson does provide some simple VB samples (but then I take it you already checked them?) Installed POS-peripherals can be found in the registry under HKEY_LOCAL_MACHINE\SOFTWARE\OleForRetail\ServiceOPOS and then them subkeys CashDrawer, LineDisplay, POSPrinter etc. (as per UPOS-specs) where...
  3. Diederik

    Barcode Readers UK

    Look out for any bar code scanner/reader with a keyboard wedge interface... Basically they just put the date into the keyboard buffer. Oh, and one of the cheapest around.. Diederik
  4. Diederik

    Point of Sale - Use of Open Standards

    Did you checked out www.monroecs.com? Here you'll find them Common Control Objects, which will enable you to code vendor independent. So what you get is: application <-> CCO's <-> Service Object and the only thing to worry about is the interface between your application and the CCO's Using them...
  5. Diederik

    Star - POSPrinter

    TLowder, Although I can't answer the question, it seems indeed that having a Windows-printer installed using the same port that POSPrinter want's to use, blocks POSPrinter. This is "logical", as the POSPrinter needs exclusive use of the port (see the UPOS documentation) JohnVai, POSPrinter is...
  6. Diederik

    *ing input box

    Set the property PasswordChar of the inputbox to '*' Diederik
  7. Diederik

    USB barcode scanner

    I'm not sure, but will the barcode scanner, even an USB-connected one, not just fill the keyboard buffer? In other words: you can handle it as keyboard input? Diederik
  8. Diederik

    MSCOMM Problems, maybe??

    Greg, Using strSerial = mscomm1.input will put the current received data stream into your variable. Next occurence will replace it by the next stream... So something like: strSerial = strSerail & MSMComm1.input will give a better result. Anyway, doing a keyword search on this forum on MSCOMM...
  9. Diederik

    MSCOMM Problems, maybe??

    As you stated yourself &quot;It seems that this system does run a little slower&quot;. Most probably the following is happening: The scanner sends all data in 1 go, however, as the system is busy assigning CPU-time to all the running processes, the data is NOT put in MSCOMM1.Input completely...
  10. Diederik

    Round in a query

    Round(Price_ft/12, 2) might help? And I'm with Andy, count them bracket pairs... Diederik
  11. Diederik

    SQL - selecting values from one table based on values from another tab

    Oliver, I just sticked to your original query/question. 'A' is an alias for table Docs (which you now call tblDocuments) 'B' is an alias for table Revisions (which you now call tblRevisions) (so you got that one right) 'T' is an alias for the subquery result, so that it can be used in the...
  12. Diederik

    OPOS- PrintBitmap command

    The EPSON OPOS set includes very clear programming samples. This can be downloaded from http://pos.epson.com/pointofsale/opos.html Diederik
  13. Diederik

    SQL - selecting values from one table based on values from another tab

    Hmm, I did test that query on some of my tables; so maybe I got something wrong by translating it back to the example.. LEFT JOIN (SELECT MAX(RevNo) AS MaxRevNo, DocNo FROM Revisions GROUP BY DocNo ) T ON T.DocNo = Revisions.DocNo...
  14. Diederik

    SQL - selecting values from one table based on values from another tab

    OK, maybe this will get you somewhere: SELECT A.DocNo, B.MaxRevNo, B.NoChanges FROM Docs AS A LEFT JOIN (SELECT T.MaxRevNo, DocNo, NoChanges FROM Revisions LEFT JOIN (SELECT MAX(RevNo) AS MaxRevNo, DocNo FROM Revisions GROUP BY...
  15. Diederik

    SQL - selecting values from one table based on values from another tab

    Oops, I made a typo (sorry): SELECT TOP 1 DESC should obviously be SELECT TOP 1 (the DESC command to be used after the ORDER BY-clause) Damn, normally I test stuff that like in the SQL Query Analyzer, not top of my head and this is a fine example why Diederik
  16. Diederik

    SQL - selecting values from one table based on values from another tab

    This is not the most elegant solution, but then... SELECT A.DocNo, B.MaxRevNo, B.NoChanges FROM Docs AS A INNER JOIN (SELECT TOP 1 DESC RevNo AS MaxRevNo, Changes AS noChanges, DocNo FROM Revisions ORDER BY RevNo DESC) B ON B.DocNo = A.DocNo ORDER BY DocNo (per DocNo obtain only 1 record from...
  17. Diederik

    POS Programming info. and innards...

    This code does work on a TM-210, although it can be necesary to issue a 'set font' command first (to prevent the printer from using only 32 chars/line): OPOSPOSPrinter.RecLineChars = 40 This does work perfectly in VB and VBA Diederik
  18. Diederik

    Reading Barcode in VB 6

    Sonper, Default (factory) setup for most barcode scanners is that they will add an additional suffix to the code. This suffix is almost always a linefeed (as already mentioned). The only barcode scanners I support are keyboard wedge, meaning that scanning a barcode is identical to tapping on...
  19. Diederik

    Resizing an image

    Maybe thread222-58793 will help (which hints on using an Image Control...) Otherwise, you'll have to rescale the picture manually using the PictureBox1.Picture.ScaleHeight & .ScaleWidth properties. I found that after rescaling the picture to fit the contril, it is necessary to resize the...
  20. Diederik

    POS Programming info. and innards...

    sergiogove, Just get yourself some OPOS drivers from a peripheral manufacturer (fe. https://www.epson-pos.com/cgi-bin/sddl/down/scripts/dw_start.jsp) Most have included a 'samples' part in their ADK (Epson has) including LOTS of sample code. To get started: for printers, it's boils down to the...

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