+-10------+
>>-aProgressBarControl~SetStep(--+---------+--)----------------><
+-newstep-+
The SetStep method specifies the step increment for a progress bar. The step increment is the amount by which the progress bar increases its current position whenever the method is called.
The only argument is:
The new step increment. The default step increment is 10.
The previous position, or -1 if you do not specify newpos.