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Herman,
I have two printers,
Minolta PagePro 1100 Laser Printer connected to LPT1 (parallel Centronics port)
and
Canon i455 (USB) - it creates virtual port USB001 (exactly as in your case)
I have checked both and tried PRN: and USB001: device names.
And this formula:
fh = fopen("PRN:", "w");
if( fh )
{
fputs("TESTING", fh );
fclose(fh);
}
else
{
printf("Error opening");
}
always prints fine to laser printer (connected via parallel port)
no matter what default printer is.
Using port USB001 does not work (simply the formula does not open file handle
- but it does NOT hang)
This experiment shows that to print via file output you have to have
printer connected to REAL, PHYSICAL port (such as LPT1) not to "virtual" one.
And this is of course the problem of the driver.
There are some third party programs that allow to circumvent this limitation
of the driver, by redirecting the output sent to real port to the virtual port
exposed by your USB printer.
I have found this for example:
http://www.guolo.com/printfil/edesc.htm
or you can try to play (for free) with windows printer sharing:
http://www.experts-exchange.com/Hardware/Printers/Q_10353915.html
http://www.experts-exchange.com/Operating_Systems/MSDOS/Q_21071579.html
http://www.microsoft.com/resources/documentation/windows/2000/server/reskit/en-us/serverop/part1/sopch04.mspx
As this is not really a problem of AmiBroker I am not going to dig further,
but you can use www.google.pl to find other solutions.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "Herman van den Bergen" <psytek@xxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Sunday, September 26, 2004 12:03 AM
Subject: RE: [amibroker] Printing from afl
> Well, my CANON i350 printer is only a few months old and I just downloaded
> and re-instaled the latest driver for XP.
>
> Perhaps this doesn't work exactly because it is an "old technique that is
> here since the beginning of PC computers" :-)
> AmiBroker just becomes unresponsive when I run the code (requires
> ALT-CTRL-DEL to exit). However I can right-click and print the formula
> without problem.
>
> But not to worry and waste time on this, it will work eventually.
>
> herman.
>
> -----Original Message-----
> From: Tomasz Janeczko [mailto:amibroker@xxxxxx]
> Sent: Saturday, September 25, 2004 4:39 PM
> To: amibroker@xxxxxxxxxxxxxxx
> Subject: Re: [amibroker] Printing from afl
>
>
> Hello,
>
> Every decent printer driver must support text output to PRN:
> This is an old technique that is here since the beginning of PC computers.
> If it does not then it means that your driver is faulty/incomplete/etc.
> Contact printer manufacturer for updated printer driver.
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "Ara Kaloustian" <ara1@xxxxxxxxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Saturday, September 25, 2004 8:24 PM
> Subject: Re: [amibroker] Printing from afl
>
>
> >I was not able to print with the code below. Using WIN 2000 Pro
> >
> > I looked at my printer ports, had my printer on LPT1, tried that also,
> again
> > without success
> >
> >
> > ----- Original Message -----
> > From: "Tomasz Janeczko" <amibroker@xxxxxx>
> > To: <amibroker@xxxxxxxxxxxxxxx>
> > Sent: Saturday, September 25, 2004 10:40 AM
> > Subject: Re: [amibroker] Printing from afl
> >
> >
> >>
> >> Herman,
> >>
> >> The following code prints "TESTING" word on my laser printer:
> >>
> >> fh= fopen("PRN:", "w");
> >> if( fh )
> >> {
> >> fputs( "TESTING", fh );
> >> fclose( fh );
> >> }
> >>
> >> Best regards,
> >> Tomasz Janeczko
> >> amibroker.com
> >> ----- Original Message -----
> >> From: "Herman van den Bergen" <psytek@xxxxxxxx>
> >> To: <amibroker@xxxxxxxxxxxxxxx>
> >> Sent: Saturday, September 25, 2004 7:34 PM
> >> Subject: RE: [amibroker] Printing from afl
> >>
> >>
> >> > Thanks Marek,
> >> >
> >> > Your source required payment for access so i didn't do that. I am
> using
> > XP
> >> > and found the info below, trying this command print /d:USB002
> > c:\Test.txt
> >> > without success.
> >> >
> >> > I gather that in XP i should be able to use simply Print Test.txt but
> it
> >> > doesn't work.
> >> >
> >> > herman
> >> > PRINT
> >> >
> >> > Print a file or files to a local or network printer.
> >> >
> >> >
> >> > syntax
> >> > PRINT [/D:device] [pathname(s)]
> >> >
> >> > key
> >> > device : either a local printer (LPTx, COMx )
> >> > or a network printer by its sharename
> >> > (\\servername\print_share)
> >> >
> >> > pathname : The file or files to be printedThe default device is
> PRN.
> > The
> >> > values PRN and LPT1 refer to the same parallel port.
> >> >
> >> > To delete a print job:
> >> >
> >> > Use Control Panel, Printers (GUI) or use
> >> > NET PRINT job# /DELETE
> >> >
> >> > It is possible to delete the relevant .spl and .shd files from
> >> > %SystemRoot%\system32\spool\PRINTERS
> >> > but the .spl file for a print job at the top of the print queue
> cannot
> > be
> >> > deleted.
> >> >
> >> > Printing requires the Spooler service to be running
> >> >
> >> >
> >> >
> >> >
> >> > -----Original Message-----
> >> > From: Marek Chlopek [mailto:mchlopek@xxxxxxx]
> >> > Sent: Saturday, September 25, 2004 12:00 PM
> >> > To: amibroker@xxxxxxxxxxxxxxx
> >> > Subject: Re: [amibroker] Printing from afl
> >> >
> >> >
> >> > On Saturday, 25 of September 2004 17:37, Herman van den Bergen
> wrote:
> >> > > Its listed under the Ports tab as USB002 ... but I have no clue
> what
> >> > that
> >> > > means :-)
> >> >
> >> > is it xp? I have absolutely no experience with xp (my latest ms
> > operating
> >> > system is 98). can you get a console? can you type: copy
> > c:\any_text_file
> >> > port
> >> > where port=lpt usb002 or something else?
> >> >
> >> > I only know that you have to find a solution how to print directly
> to
> > the
> >> > printer from the command line (from console). when you have a
> solution
> >> > than
> >> > you should have no problems to print from afl.
> >> >
> >> > I have found it using google (this is your question, maybe they have
> an
> >> > answer?):
> >> > http://www.experts-exchange.com/Applications/Q_20852377.html
> >> >
> >> > Regards,
> >> > --
> >> > Marek Chlopek
> >> > mchlopek@xxxxxxx
> >> >
> >> >
> >> > Check AmiBroker web page at:
> >> > http://www.amibroker.com/
> >> >
> >> > Check group FAQ at:
> >> > http://groups.yahoo.com/group/amibroker/files/groupfaq.html
> >> >
> >> >
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