Moves the mouse wheel up or down. NT/2000/XP ONLY.
MouseWheel ( "direction" [, clicks] )
| direction | "up" or "down" |
| clicks | [optional] The number of times to move the wheel. Default is 1. |
| Success: | Returns 1. |
| Failure: | Returns 0, the direction is not recognized. |
; Move the wheel up 10 times
MouseWheel("up", 10)