# eVision

> eVision 26.10.0-beta.2.dev documentation


2026, Euresys

## Pages in this subsection

- [EasyQRCode](index.html.md): Browse code snippets demonstrating EasyQRCode usage in C++, C#, and Python for eVision machine vision applications.
- [Reading QR Codes](automaticreadingofaqrcode.html.md): This code snippet shows how to read a QR code and retrieve the decoded data.
- [Grading a QR Code](gradingaqrcode.html.md): This code snippet shows how to read a QR code and retrieve its print quality grades.
- [Reading a Grid of QR Codes](readingagridofqrcodes.html.md): This code snippet shows how to read QRcodes that are disposed in a 5 by 3 grid with 10% overlap between grid cells.
- [Retrieving Information of a QR Code](retrievinginformationofaqrcode.html.md): This code snippet shows how to read a QR code and retrieve the associated information.
- [Tuning the Search Parameters](tuningthesearchparameters.html.md): This code snippet shows how to read a QR code and retrieve the decoded data after setting a number of search parameters.
- [Retrieving the Decoded String (Simple)](retrievingthedecodedstringsimple.html.md): This code snippet shows how to read a QR code and retrieve the decoded string in the simplest way.
- [Retrieving the Decoded String (Safe)](retrievingthedecodedstringsafe.html.md): This code snippet shows how to read a QR code and safely retrieve the decoded string, handling decoding errors.
- [Retrieving the Decoded Data (Advanced)](retrievingthedecodeddataadvanced.html.md): This code snippet shows how to read a QR code and retrieve its coding mode, the raw bit stream and the data part by part.

## Optional

- [Top-level llms.txt](../../../../llms.txt): Complete documentation index.