All Questions
228 questions
0
votes
2
answers
58
views
Unity QR scanning app for Hololens 2 doen't detect QR code
im working on a project and i need to make an app for hololens 2 that can scan the QR codes directly, im not familliar with this AR development thing so i tried to use the example from microsoft (...
- 11
1
vote
1
answer
55
views
why qr not read quickly until i make zoom to qr to read?
I make code to read qr code but I face issue it read qr code with difficult way
I must make qr big zoom for qr and more close from qr to read it success
so how to handle that
what features I must add ...
0
votes
0
answers
100
views
Calculating Correction Bytes for my QR-Code
i am making a QR-Code generator and are now at the last step. All i need to do now is to calculate the Correctionbytes in order the scanner to read my QR-Code.
https://www.thonky.com/qr-code-tutorial/...
0
votes
0
answers
231
views
Print QR Codes as labels via ASP.NET MVC application
I have an ASP.NET MVC application where I am generating around 20 QR codes on a button click. I want to print these QR codes using label printer (20 QR codes into 20 labels so that they can be pasted)....
- 2,343
0
votes
0
answers
31
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C# I have a code that reads from a USB code scanner (COM4) that only works with a form i need it to run in background with just a NotifyIcon
i found the code/library and all i needed on BasselItech https://www.youtube.com/watch?v=zzs2xnyCczo
i tried modifying the code with using .Hide() and visible set to false but there is always the Form ...
- 1
0
votes
0
answers
66
views
Zxing lib refuses to recognize QR code at all
I have an example QRcode like this:
https://i.imgur.com/Uka0KI6.jpeg
SecScanQR app parses it just fine. According to the github sources, it uses XZing Library. However, when I try to parse the same QR ...
- 343
0
votes
1
answer
230
views
Missing dll File When Programming Hololens 2 in Unity
I am trying to use Unity to track QR codes with the hololens 2. I have installed the Microsoft.MixedReality.QR plugin and I think it is installed correctly, though I am not super familiar with using ...
2
votes
4
answers
2k
views
How can I generate circular QR codes?
How can I generate circular QR codes?
I would like to generate a QR code that is drawn with circles instead of squares. I currently have this code:
public Bitmap GenerateQR(string text)
{
...
- 107
0
votes
0
answers
128
views
How can I stop the QR Code tracking on a HoloLens while maintaining the visualization its content?
I'm working on an application that scans a stationary QR code and creates a room around the user. This works fine. What I would like to do is scan the QR code, the room gets augmented, and then I stop ...
- 53
1
vote
1
answer
1k
views
How to scan a QR Code in WinUI 3 using webcam?
I'm trying to scan a QR-Code from WebCam in WinUI 3. I've installed ZXing and AForge Video but these libraries doesn't work properly in WinUI 3. Are there any solutions or more compatible alternatives?...
- 59
1
vote
1
answer
408
views
QRCoder Html Base64 lengthy URI need to shorten
I am trying to link a lengthy HTML URI to QR code generated through QRCoder, but it gives the below error:
QRCoder.Exceptions.DataTooLongException: The given payload exceeds the maximum size of the ...
- 113
1
vote
1
answer
2k
views
Avalonia Camera Barcode/QRCode Scanning
I'm developing a simple Inventory Management System app for a friend's shop.
I have to scan a barcode/QRCode (using the camera) to load/unload the product in stock.
I think the best way for barcode ...
2
votes
1
answer
148
views
Why is Celsius (℃) printed as ' Unknown ' when taking a QR Barcode with a 'Zebra' scanner?
I am using a QR barcode containing a long string in "," (comma) units.
Celsius (°C) is the problem.
Why is Celsius (℃) printed as ' Ž ' or ' ℃ ' when taking a QR Bacode with a 'Zebra' ...
- 23
0
votes
0
answers
572
views
How can I fix the 'QRCode' namespace error while writing a C# API to generate QR codes from text inputs?
I cannot add my logo to the QR Code. Please take a look at my code and point out my errors. Here is an example:
using Microsoft.AspNetCore.Mvc;
using QRCoder;
using System.Drawing;
using System.IO;
...
- 11
3
votes
1
answer
2k
views
Using the generic type BarcodeReader<T> requires 1 type arguments
I was trying to add QR code generator in my WPF app using instruction provided here: https://www.kailashsblogs.com/2020/05/generate-qr-code-in-wpf.html?m=0&fbclid=IwAR0CMMRGwE1eH-...
