'Declaration
 
Protected Sub OnBeforeListChanged( _
   ByVal args As ListChangedEventArgs(Of T) _
) 

'Usage
 
Dim instance As ListBase(Of T)
Dim args As ListChangedEventArgs(Of T)
 
instance.OnBeforeListChanged(args)

protected void OnBeforeListChanged( 
   ListChangedEventArgs<T> args
)

Parameters

args

A ListChangedEventArgs<T> containing event data.

Target Platforms: Windows 11, Windows 10, 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

Reference

ListBase<T> Class
ListBase<T> Members