Hover over any taskbar and mouse wheel scroll to change volume

volume_scroll.ahk

#NoEnv  ; Recommended for performance and compatibility with future AutoHotkey releases.
; #Warn  ; Enable warnings to assist with detecting common errors.
SendMode Input  ; Recommended for new scripts due to its superior speed and reliability.
SetWorkingDir %A_ScriptDir%  ; Ensures a consistent starting directory.

#If MouseIsOver("ahk_class Shell_TrayWnd") or MouseIsOver("ahk_class Shell_SecondaryTrayWnd")
WheelUp::Send {Volume_Up}
WheelDown::Send {Volume_Down}

MouseIsOver(WinTitle)
{
    MouseGetPos,,, Win
    return WinExist(WinTitle . " ahk_id " . Win)
}

~#!x::Suspend