From Audacity Wiki
|This page of developer code and/or digital audio documentation is part of a collection of pages for learning about our code. We aim to increasingly add interactive diagrams to these pages and over time connect better to the doxygen documentation.|
Audacity Toolbars have buttons which invoke commands. They may also have sliders and meters for monitoring.
They can be docked and undocked (free floating). Some can be resized.
Here are some more classes relevant to toolbars.