HTML_Progress2 : The Definitive Guide

This event is triggered by run() method when progress meter start process (0%)

This event is triggered by run() method when progress meter end process (100%)

This event is triggered by setMinimum(), setMaximum(), setValue(), incValue(), moveStep(), and moveNext() methods each time the current value change.

This event is triggered only by a progress monitor, when user decide (click on button) to stop process.