OnSet Method (CollectionBase<T>)

Performs additional custom processes before setting a value in the System.Collections.CollectionBase instance.

Syntax

Visual Basic
C#

'Declaration
 
Protected Overrides Sub OnSet( _
   ByVal index As Integer, _
   ByVal oldValue As Object, _
   ByVal newValue As Object _
)

'Usage
 
Dim instance As CollectionBase(Of T)
Dim index As Integer
Dim oldValue As Object
Dim newValue As Object
 
instance.OnSet(index, oldValue, newValue)

protected override void OnSet( 
   int index,
   object oldValue,
   object newValue
)

Parameters

index: The zero-based index at which oldValue can be found.
oldValue: The value to replace with newValue.
newValue: The new value of the element at the index.

Requirements

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

Reference

CollectionBase<T> Class
CollectionBase<T> Members