AutoHotkey Hold Left Click when Mouse4 Clicked

Left Click Hold.ahk

#Requires AutoHotkey v2.0

#Requires AutoHotkey v2.0

toggle := false
targetWindow := ""  ; will store the window handle

XButton2:: {
    global toggle, targetWindow
    toggle := !toggle
    if toggle {
        targetWindow := WinActive("A")  ; get the active window handle
        Send("{LButton down}")
        SetTimer MonitorConditions, 50  ; check conditions every 50ms
        ;ToolTip "Hold click: ON"
    } else {
        StopClicker()
    }
}

MonitorConditions() {
    global toggle, targetWindow
    if !toggle
        return

    if !WinActive("ahk_id " targetWindow) || GetKeyState("LButton", "P") {
        StopClicker()
    }
}

StopClicker() {
    global toggle
    toggle := false
    Send("{LButton up}")
    SetTimer MonitorConditions, 0
    ;ToolTip "Hold click: OFF"
    Sleep 100
    ToolTip
}