https://help.eclipse.org/latest/nftopic/org.eclipse.platform.doc.isv/reference/api/org/eclipse/jface/viewers/class-use/CheckStateChangedEvent.html
Uses of Class org.eclipse.jface.viewers.CheckStateChangedEvent (Eclipse Platform API Specification)
use: package: org.eclipse.jface.viewers, class: CheckStateChangedEvent
platform apiusesclasseclipse