CollectionChanging Event

A System.ComponentModel.CollectionChangeEventHandler object that indicates the handler of CollectionChanging event.

Syntax

Visual Basic
C#

'Declaration
 
Public Event CollectionChanging As CollectionChangeEventHandler

'Usage
 
Dim instance As CollectionBase(Of T)
Dim handler As CollectionChangeEventHandler
 
AddHandler instance.CollectionChanging, handler

public event CollectionChangeEventHandler CollectionChanging

Event Data

The event handler receives an argument of type CollectionChangeEventArgs containing data related to this event. The following CollectionChangeEventArgs properties provide information specific to this event.

Property	Description
Action
Element

Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

Reference

CollectionBase<T> Class
CollectionBase<T> Members