# Toolbar Definition

**URL:** <https://forum.opencv.org/t/toolbar-definition/24720>\
**Category:** Uncategorized\
**Tags:** highgui, programming\
**Created:** [September 21, 2026, 11:55pm UTC](https://forum.opencv.org/t/toolbar-definition/24720 "2026-09-21T23:55:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![danielc](https://avatars.discourse-cdn.com/v4/letter/d/a3d4f5/32.png) [@danielc](https://forum.opencv.org/u/danielc)\
**Post date:** [September 21, 2026, 11:55pm UTC](https://forum.opencv.org/t/toolbar-definition/24720/1 "2026-09-21T23:55:20Z")

</div>

Hello all,  
I am using Opencv V5 C++ and Qt6  
cv::imshow(“Display Window”, image);  
How do I setup/modify toolbar?  
or opencv qt toolbar Definition?  
in source code.  
Thank you.