Adjust volume at the right margin of the screen

; Adjust volume at the right margin of the screen.
WheelUp::
    CoordMode, Mouse, Screen
    SysGet, widthX, 16
    MouseGetPos, mouseX
    rightMargin := widthX-10
    if mouseX > %rightMargin%
        SoundSet +5
    else
        Send {WheelUp}
    return

WheelDown::
    CoordMode, Mouse, Screen
    SysGet, widthX, 16
    MouseGetPos, mouseX
    rightMargin := widthX-10
    if mouseX > %rightMargin%
        SoundSet -5
    else
        Send {WheelDown}
    return