Mouse wheel scrolling

this adon is used to emulate mouse wheel to scroll object under the mouse cursor.

Shortcuts

The following keys must be used when wheel scrolling mode is turned on by pressing key combination "NVDA+Control+Shift+w":

upArrow: Scroll up the object under the mouse cursor,
downArrow: Scroll down the object under the mouse cursor,
leftArrow: Scroll left the object under the mouse cursor,
rightArrow: Scroll right the object under the mouse cursor,
pageUp: Scroll up page of the object under the mouse cursor,
pageDown: Scroll down of the object under the mouse cursor,
home: Tries to scroll up to maximum. Especially needed for sliders which cannot be controlled from keyboard,
end: Tries to scroll down to minimum. Especially needed for sliders which cannot be controlled from keyboard.