OnValidate Method (ObjectCollection)

Validates that the value is not null.

Syntax

Visual Basic

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

C#

protected override void OnValidate( 
   object value
)

Parameters

value

Value to check

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2