TOPIC: Getting updated Information before showing preview

I have calendar on which event information could have changed after I have loaded my calendar.

How do I show the updated Event? or periodically update the calendar to show the latest event properties?

Yes you can get the updated information when user clicks on the event by providing implementation for "onUpdateEvent" callback function.

Regarding periodically checking for new events, This is something you can do it outside of the calendar. With a window.setTimeout("checkForEvents()", 10000);

function checkForEvents()
{
var newEvList = getNewData();
ical.render();
}

But remember, this may hinder any current operation user may be doing. In future we are considering render to be synchronized method, in the sense, no other operation can happen / be happening when render is invoked

Let us know if this helps