The returned value by sender.idFromMouse(eventArgs.get_browserEvent()) can be used to check id of element under mouse.
Action triggered by that event can be canceled.
WebMonthCalendar1.ClientEvents.MouseDown = "WebMonthCalendar1_MouseDown"
WebMonthCalendar1.ClientEvents.MouseDown = "WebMonthCalendar1_MouseDown";
// The client event 'MouseDown' takes two parameters sender and e // sender is the object which is raising the event // e is the CancelEventArgs function WebMonthCalendar1_MouseDown(sender, e) { if (!confirm("Are you sure you want to click the mouse?")) //Cancels the MouseDown event e.set_cancel(true); }
Target Platforms: Windows 10, Windows 8.1, Windows 8, 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