OnBeforeDropDown Method

Syntax

Visual Basic

'Declaration
 
Protected Overridable Sub OnBeforeDropDown( _
   ByRef cancel As Boolean _
) 

C#

protected virtual void OnBeforeDropDown( 
   ref bool cancel
)

Parameters

cancel

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, 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