The event handler method receives the following arguments:
sender
A ToolTip instance, which is the source of the event. This object will be passed to the handler function as the first argument.
args
A ControlModifyingEventArgs instance, which contains event data. This object will be passed to the handler function as the second argument.

The following code creates a new instance of the ToolTip class associated with the HTMLElement of a Window and handles its tooltipHiding event:

JavaScript  Copy Code
var tooltip = new ui.Tooltip(window.element); tooltip.trigger = ui.TooltipTrigger.Focus; tooltip.position = ui.TooltipPosition.Cursor; tooltip.text = "Map of the European Union"; tooltip.tooltipHiding.addEventListener(tooltipHidingEventHandler); function tooltipHidingEventHandler(sender, args) {   if(sender == tooltip1)       args.cancel = true;  }

Tooltip Members
Tooltip Class
MindFusion.Common.UI Namespace