Can not find any event triggered while toggling side panels

[system]

Hello, I’m Ron, an automated tech support bot

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:

Guides:

• Hiding annotations in WebViewer notes panel
• Rich text - Relevant APIs and events - disableElements
• PDF.js Express Documentation - Annotation

APIs:

• WebViewerInstance - dangerouslySetNoteTransformFunction(noteTransformFunction)
• CoreControls.BlackBoxAnnotationManager - preloadAnnotations(An)
• CoreControls.DocumentViewer - searchInProgress

Forums:

• Get previous annotation from annotationChanged event
• Unable to show highlight texts in the list
• How can I specify name for the pdf file that will be downloaded