# eVision

> eVision 26.10.0 documentation


2026, Euresys

## Pages in this subsection

- [ERegion Code Snippets](index.html.md): Browse code snippets demonstrating ERegion usage in C++, C#, and Python for eVision machine vision applications.
- [Basic Usage of Region Code Snippet](basicusage.html.md): This code snippet shows how to perform a threshold on a circular region in an image.
- [Preparing a Region Code Snippet](prepareonceusemultipletimes.html.md): This code snippet shows how to perform a threshold on a circular region in multiple image while preparing it only once.
- [Combining Regions Code Snippet](combineregions.html.md): This code snippet shows how to perform a threshold on a combined region in an image.
- [Converting a Result to a Region Code Snippet](toolchain.html.md): This code snippet shows how to perform a threshold on a region coming for a previous EasyFind process.

## Optional

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