# Uses of Interface
org.eclipse.jface.text.source.IVerticalRulerExtension

Packages that use IVerticalRulerExtension
Package
Description
org.eclipse.jface.text.source
Provides a framework for connecting document regions with annotations and for displaying those.

## Uses of IVerticalRulerExtension in org.eclipse.jface.text.source

Classes in org.eclipse.jface.text.source that implement IVerticalRulerExtension
Modifier and Type
Class
Description
`class`
`CompositeRuler`
Standard implementation of `IVerticalRuler`.
`final class`
`VerticalRuler`
A vertical ruler which is connected to a text viewer.