Me.WebTab1.ClientEvents.IndicatorShow = "WebTab1_IndicatorShow"
this.WebTab1.ClientEvents.IndicatorShow = "WebTab1_IndicatorShow";
// The client event IndicatorShow takes two parameters sender and e // sender is the object which is raising the event // e is the TabItemCancelEventArgs function WebTab1_IndicatorShow(sender, e) { //Gets the index of the tab raising the event var tabIndex = e.get_tabIndex(); if (tabIndex == 1) //Cancels the IndicatorShow event if tab index is 1 e.set_cancel(true); }