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Printing Single Line without formfeed on Dot matrix Printer

Posted on 1998-05-15
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Last Modified: 2013-12-04
How would you print a single line at a time to a dot matrix printer without the driver causing a formfeed. The line actually has to print on the paper. Just buffering lines until you have a page full is not what is needed. Microsoft had raw.drv for 16 bit apps that worked. Haven't seen anything for 32 programming. Thanks.
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Question by:glaporte
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dnavarro earned 300 total points
ID: 1401976
Simply open the printer as a file and print to it.  From Visual Basic:

OPEN "LPT1" FOR OUTPUT AS #1
PRINT  "This is my text";   <--  The semicolon is the key
CLOSE

We use EPSON dot matrix printers here at work for printing labels and this is how we print to the printers without going through the printer drivers.

--Dave

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Expert Comment

by:dnavarro
ID: 1401977
Oops, I meant:

PRINT#1, "This is my text";

--Dave
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Author Comment

by:glaporte
ID: 1401978
Use CreateFile() for opening the port.
WriteFile() to write to the port.
CloseHandle() for closing the port.

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