Get the last user input event time in milliseconds. If there are any pending native toolkit input events it returns the current time. All input events are included (ie. it is *not* limited to events targeted at this nsIWidget10 instance.
|aTime ||Last user input time in milliseconds. This value can be used to compare durations but can not be used for determining wall clock time. The value returned is platform dependent, but is compatible with the expression PR_IntervalToMicroseconds(PR_IntervalNow()). |