imports System imports OboutInc public class vb_cp_clientevents inherits OboutInc.oboutAJAXPage protected callbackPanel1 as CallbackPanel sub Page_Load(byval sender as object, byval e as EventArgs) addhandler callbackPanel1.BeforePanelUpdate, addressof oboutAJAXPage_BeforePanelUpdate end sub private function oboutAJAXPage_BeforePanelUpdate(byval PanelId as string, byval UpdateContainer as string) as boolean System.Threading.Thread.Sleep(2000) return true