CollectionSourceBase.CollectionChanging Event
In This Article
Occurs before the Collection Source’s collection has been recreated.
Namespace: DevExpress.ExpressApp
Assembly: DevExpress.ExpressApp.v24.2.dll
NuGet Package: DevExpress.ExpressApp
#Declaration
public event EventHandler CollectionChanging
#Event Data
The CollectionChanging event's data class is EventArgs.
#Remarks
This event is raised in the CollectionSourceBase.ResetCollection method, before recreation of the Collection Source’s collection takes place. Handle the CollectionChanging event to be notified when the Collection Source’s collection is about to be recreated.
See Also