How hide annotation when toolbar group changed

[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 - setCustomNoteFilter
• Creating custom annotations for your viewer - Adding the annotation to a document
• Customize toolbar in viewer - Header composition

APIs:

• Core
• Core.Tools.TextUnderlineCreateTool - annotationAdded
• Core.Annotations.TextUnderlineAnnotation - new TextUnderlineAnnotation( [initializer])

Forums:

• Integrate PDF.JS Express in Salesforce Lightning Component
• Can we highlight/Annotate scanned pdf (for eg. some scanned pages)?
• Download PDF with annotations