OnValidate Method (CollectionBase<T>)

Performs additional custom processes when validating a value.

Syntax

Visual Basic
C#

'Declaration
 
Protected Overrides Sub OnValidate( _
   ByVal value As Object _
)

'Usage
 
Dim instance As CollectionBase(Of T)
Dim value As Object
 
instance.OnValidate(value)

protected override void OnValidate( 
   object value
)

Parameters

value: The object to validate.

Exceptions

Exception	Description
System.ArgumentNullException	value is null.
InvalidOperationException	The collection is locked.

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