Critical/Sleep Event Test.ahk

#Requires AutoHotkey 2.0
EVENT_OBJECT_NAMECHANGE := 0x800C
DllCall("SetWinEventHook",
    "UInt", EVENT_OBJECT_NAMECHANGE,
    "UInt", EVENT_OBJECT_NAMECHANGE,
    "Ptr", 0,
    "Ptr", CallbackCreate(HandleTabsOutlinerEvent),
    "UInt", 0,
    "UInt", 0,
    "UInt", 0)

HandleTabsOutlinerEvent(hWinEventHook, event, hWnd, *)
{
    static count := 0, text := ""

    try
        if (WinGetTitle(hWnd) = "_crx_eggkanocgddhmamlbiijnphhppkpkmkl")
        {
            Critical(-1) ; (W/ BUSY-WAIT) 1 1 2 2 3 3 when uncommented, 1 2 3 3 2 1 when commented-out
            Tooltip(text .= " " (id := ++count))
            loop (8000000) ; Approx. 2sec busy-wait (has approx. 30% CPU usage at most)
                continue
            ;Sleep(-1) ; (W/ CRITICAL ON) 1 2 3 3 2 1 when uncommented, 1 1 2 2 3 3 when commented-out
            Tooltip(text .= " " id)
        }
}