Skip to main content

DevExpress v24.2 Update — Your Feedback Matters

Our What's New in v24.2 webpage includes product-specific surveys. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release.

Take the survey Not interested

TreeListColumnCollection.CollectionChanged Event

Fires when changes are made to the column collection.

Namespace: DevExpress.XtraTreeList.Columns

Assembly: DevExpress.XtraTreeList.v24.2.dll

NuGet Packages: DevExpress.Win.Navigation, DevExpress.Win.TreeList

#Declaration

public event CollectionChangeEventHandler CollectionChanged

#Event Data

The CollectionChanged event's data class is CollectionChangeEventArgs. The following properties provide information specific to this event:

Property Description
Action Gets an action that specifies how the collection changed.
Element Gets the instance of the collection with the change.

#Remarks

This event fires in response to the elements in the collection being added or removed.

See Also