How to catch input from a specific port (USB card reader)

Question

0.00/5 (No votes)

See more:

I have a USB card reader. I want to catch its input using a windows service without any conflict with keyboard input.
the card reader act as a keyboard

What I have tried:

I haven't found any way to get a specific port input

Posted 7-Feb-18 10:57am

M. Daban

Updated 7-Feb-18 11:15am

Add a Solution

Comments

j snooze 7-Feb-18 17:20pm

This might help you out.
https://stackoverflow.com/questions/34690108/c-sharp-scanning-com-ports-for-specific-input

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Dave Kreskowiak · Answer 1 · 2018-02-07T11:15:00

Solution 1

You can't.services run under an entirely different desktop that never gets the input focus. If the card reader acts like a keyboard, the keystrokes will only go to the user desktop that's logged in.

Posted 7-Feb-18 11:15am

Dave Kreskowiak