Public Delegate Sub DesignerTabChangedEventHandler( _
   ByVal sender As System.Object, _
   ByVal e As DesignerTabChangedEventArgs _
) 

public delegate void DesignerTabChangedEventHandler( 
   System.object sender,
   DesignerTabChangedEventArgs e
)

Parameters

sender

The source of the event.

e

A DesignerTabChangedEventArgs that does not contain any event data.

Target Platforms: 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