Connect To Parallel Port Printer?
Apr 24, 2012
I have a program that connect to 2 printers at the same time. Ribbon Printer and Label printer.
I have set the ribbon printer to be the default printer of the server so that normal document printing can be printed using it. This is very simple and i already finsih the code for it.
However i have a Parallel printer at Port LPT1 which i wish to use it to print label. I have search online but find no solution on how to open connection to LPT1 and print the document in coding.What i can find i only send a window command to the port LPT
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Jan 26, 2012
I'd try programming in vb.net with a usb to parallel printer but it doesn't appear as LPT Port Device. It show as a USB Printer Support in USB Controller. Just to receive and send a bit in different pin to be in servo controller/driver.
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Jun 9, 2010
I would like to detect the Address and Port number of the Parallel Port in computer.
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Dec 31, 2008
I use the following code to print to the receipt printer on the parallel port in vb 6.0, but it seems that it doesn't work on vb.net.[code]...
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Jul 14, 2011
How to call the parallel port with vb codes.I'm going to make a helicopter to control with my pc.
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May 31, 2010
i want to work with it in vb. 1st i want to check if port is already mapped or not, if not then map it and once done remove the mapping. The one way is using shell and pass command in it, but not sure how to get already map status and also wondering if there is any other method to get it done.n :)
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Dec 29, 2010
i need to interface an spi analog switches using either a parallel or serial port. Is this possible?
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Oct 26, 2009
im new around here and also to VB.NET infact any aspect of programming, im hoping to be able to some useful stuff but at the momment im a little stuck i only have basic knoweldge so anyway here goes im programming in VB.NET 2008 Express edition, im also using inpout32.dll which is running ok and also controlling the parallel port fine.the problem i have is as follows the program so far is controlling the 8 outputs at the momment, i can turn each individual one on but when i try to turn multiple outputs on it will only turn on one and the other that was turned on goes off i understand its controlled in a 255 bit array but how to decode it is a little tough
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Jul 4, 2010
I am new to VB and am needing to write to the parallel port. I am using a laptop so have got a USB to parallel port converter and need to know how to write to it using VB (I am using Visual Basic Express 2010)
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Mar 11, 2010
i want to control pc parallel port using vb.net/vb6 , i need timer coding .
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Sep 18, 2010
I need to program Parallel port. For accessing port I used inpout32.dll but it is not working with windows 7.
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Oct 14, 2010
In my project I was using Parallel port to drive a relay circuit with the help of inpout32.dll. But as we all know nowadays parallel ports are getting extinct and USB is getting replaced in its place. Is there any other means I could adapt for driving external circuits from PC, instead of using Parallel Port
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Jun 18, 2012
I've been trying to this application in Visual Studio 2010 to only write to the parallel port, so supposedly it would be a very easy task, and by all the tutorials in the internet i've seen before it really is! Although it throws me always the same error which is too generic and don't give enough information for me to solve it. I'm doing this using the "Inpout32.dll" library to make the communication between VB.NET and the port..
[Code]...
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Nov 1, 2009
I have written a programm with visual basic 2008 express edition and I'd like to use the parallel port to communicate with my self-made circuit. I want to controll 120 LEDs with the parallel port but I don't get it how. I know how to activate the databus but not how to activate the control lines of the parallel port.
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May 25, 2009
I have created a program using inpout32.dll to run my stepper motor . I can run stepper motor now but the problem is that it is running very slow! is there any better way i can run my motor fast as i want.
i used following method.
option explicit on
Dim myTime as object
public sub Form1
[Code]....
if i set the value of mytime less then 2000 my motor does'nt work at all. i tried also with the timer tool and i wrote the code in the tick event of timer but it is also very slow.
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Oct 12, 2010
Can someone tell me if the functionallity to control a parallel port in MS VB 2010 Expess exists? I was expecting to have to add a reference such as the microsoft comm control 6.0. However this reference does not appear in the list. Everything I search for references .net 2005/2008.
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Nov 24, 2009
I have written a programm with visual basic 2008 express edition and I'd like to use the parallel port to communicate with my self-made circuit. I want to controll 120 LEDs with the parallel port but I don't get it how. I know how to activate the databus but not how to activate the controle lines of the parallel port.
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Mar 11, 2011
Does anyone have experience writing data to the parallel port (printer port) in Windows 7 64-bit. I have been trying inpout32.dll, inpoutx64.dll and following all the info on http://www.highrez.co.uk/ and www.logix4u.net but can't get anything to work. I have an on-board parallel port at &H378 - not an add-on card - and have tried various modes in the BIOS (standard, ECP etc). I have a background in electronics so I am confident my testing methods are sound; I just cannot get a data bit to change state under program control. I need to send data to an 8-bit port on some 20th Century electronics so serial/USB interfaces are not really an option. There must be a way to control those 8 data bits in Windows 7, mustn't there?
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Dec 18, 2011
I have a fairly old radio receiver. (Icom R70) A friend and I have built an interface to control it from my computer. The interface is parallel. For me the interface is a black box. (My friend is the electronics specialist) In the description (25 years or more old) the statement to set a frequency and receive mode (like Am, FM etc) on the receiver is:print ".0:087330"
Today I am working in VB.Net and on Windows7 pro. I have already spent several days figuring out how to do this, but can't get it to work.I have found inpout.dll, but that does only allows me to write one byte at the time, and if I break up the above string and send nine individual characters, it does not work.
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Apr 3, 2011
What i want it to do is 'listen' to the lpt port, when a sensor is broken then display the time. there are two sensor to measure the time of the first and then the second sensor.How do i get VB to listen to the sensors which are on two different inputs of the lpt port and time stamp in micro seconds. I can get it to read the state of the input on mouse click but i need it to display the time in micro seconds when the input changes. i will then use the times from the two sensors to work out the time it took between both sensor changing.
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Dec 19, 2011
I want to control the D0-D7 pins of the parallel port(LPT) with VB2010. I do not need to transfer or receive data via this port, all I want is to set high or low (5V or 0V).Is it even possible?
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Nov 23, 2011
I've been given this simple VB application and library which I'm told can open a door/turnstyle attached to the printer port at 0x378 base address.'Inp and Out declarations for port I/O using inpout32.dll.
Public Declare Function Inp Lib "inpout32.dll" Alias "Inp32" _
(ByVal PortAddress As Integer) _
As Integer
[code]....
how to declare the library functions and what to declare the variables as (&H378 is obviously not an integer)
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Jan 21, 2012
How will I send data or signal to H-Bridge then to DC Motor using parallel port in vb.net?
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May 14, 2011
here is my code
Public
Class
Form1
[code].....
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Jul 13, 2011
i need to know how to call the printer port using vb .i'm designing a toy car that can be controlled using the printer port.
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Sep 27, 2010
I'm trying to find a way to refresh the network IP of a printerport.as some smart cleaner at the office has figured out how to unplug stuff so she can use the vacumcleaner this networkprinter goes crazy and never gets back in the network correctly. to get around this i have to reboot our server which then reconnects the networkprinters. as i dont like to reboot this server at a almost daily base. im trying to find a way (preferably VBS) to get this done.
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Jul 21, 2011
i want to print text to the printer port. what is mean invalid handle parameter name:handle ?
code is
Public Class Form1
Public Class Win32API
Public Const GENERIC_WRITE = &H40000000
[Code]....
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Jun 8, 2011
I just want to ask if how can I code to connect to a POS printer...
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May 22, 2009
A few months back I wrote a VB.net console application to migrate a group of about 100+ printers and the 1800+ users that use them from some old HP print appliances to a mixed Print Server and Direct to IP Printing solutions. The application uses a database to compare installed printers and remove old/invalid shares and remap to the new Win2K3 based print server OR create a TCPIP printer port and install the driver for direct to IP printing.
It worked really well, but users needed power user rights to create the TCPIP printer port. For the main campus this wasn't an issue, but the smaller remote sites need a solution that allows the app to be run by users without power user rights.
My solution was to take the "CreatePrinterIPPort" function and put it into it's own wrapper app and then call it as needed from the main app using a hard coded local admin account for the purpose, but I'm running into issues when spawning the createport app. If I run the app standalone it creates the port with no issue, but when I run it in my test app to spawn the createport using the CreateProcessWithLogon API the port creation fails with an "access denied" error. I'm limited to using .net 1.1 as 2.0 isn't in our environment throughly and I was told it wouldn't be pushed just for this app.
[Code]...
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Oct 26, 2011
The link below has code to connect to a modem thru the serial port but it is for an earlier version of VB. when I convert the code, it does not fully convert and has 4 errors that prevent building the project. can someone tell me what needs to be changed or added?
[URL]
Note: the error: not CLS-Compliant
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