Public Delegate Sub ActiveTabChangingEventHandler( _
   ByVal sender As Object, _
   ByVal e As ActiveTabChangingEventArgs _
) 

public delegate void ActiveTabChangingEventHandler( 
   object sender,
   ActiveTabChangingEventArgs e
)

Parameters

sender

e

Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

Reference