An event% object contains information about a control, keyboard, mouse, or scroll event. See also control-event%, key-event%, mouse-event%, and scroll-event%.
time-stamp : exact-integer? = 0
See get-time-stamp for information about time-stamp.
Returns the time, in milliseconds, when the event occurred. This time is compatible with times reported by Racket’s current-milliseconds procedure.
Set the time, in milliseconds, when the event occurred. See also Racket’s current-milliseconds.
If the supplied value is outside the platform-specific range of time values, an exn:fail:contract exception is raised.