Parallel Port C# VS 2008

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i got the solution, application needs administrator rights to be run

I want to communicate to my circuit via parallel port.

First I just want to ON/OFF LED, later original circuit will be implemented.
I googled and found so many articles and blogs telling use of inpout32.dll.
I am using Windows 7 VS 2008

Please don't post links to the articles which appear on first 3 pages with query string 'Parallel Port C#' because I have gone through all these and none of their source code was able to send bits to parallel port.

There might be some issue because of windows 7 also.
If anyone knows help me out

Posted 18-Mar-11 7:29am

dontumindit

Updated 18-Mar-11 23:59pm

v4

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Richard MacCutchan 18-Mar-11 13:38pm

Are you sure? I just looked at the first article and there is code to send output to the port.

dontumindit 18-Mar-11 14:43pm

yeah codes are there, but none is working in windows 7

Dalek Dave 18-Mar-11 16:37pm

Edited for Readability and Grammar.

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Rick Shaub · Accepted Answer · 2011-03-18T09:16:00

Solution 1

Check this out:

http://logix4u.net/Inpout32.dll_Discussion/InpOut32_and_64_bit_Windows_7.html[^]
You may need to run your application in administrator mode ("at least once" according to the link).

Posted 18-Mar-11 9:16am

Rick Shaub

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dontumindit 19-Mar-11 5:58am

thnx for helping.

it worked

Sergey Alexandrovich Kryukov · Accepted Answer · 2011-03-18T10:54:00

This is the CodeProject article showing how to solve a similar problem:
I/O Ports Uncensored - 1 - Controlling LEDs (Light Emiting Diodes) with Parallel Port[^]
I/O Ports Uncensored Part 2 - Controlling LCDs (Liquid Crystal Displays) and VFDs (Vacuum Fluorescent Displays) with Parallel Port[^]

See also:
Control Electrical Appliances using PC[^]
Controlling Floppy Drive Stepper Motor via Parallel Port[^]

—SA