I handle scrolling in the simplest, most straightforward way possible.
First, I get the percentage of where the scrollbar is along its track
from and have it dispatch that percentage.
var perc = (BTN_Shuttle._y - orgShuttleY) / range;
dispatchEvent({type:"change", data:perc});
The listener then moves whatever needs to scroll by its negative height
times the percentage.
var newY = -MC_Content._height * perc;
MC_Content._y = newY;
HTH,
Steven
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