Did you ever figure this out? I'd be really interested in knowing how to do this, thanks!

Hello, I posted the bug you reported to the original author here:
https://www.autohotkey.com/boards/viewtopic.php?f=6&t=30912&p=316847#p316847

Hello thanks for your great work. I've been using this class for changing tha titlebar/border color of windows: https://www.autohotkey.com/boards/viewtopic.php?f=6&t=73197 A tiny bug has been reported to me: the Dock class does not handle the Hide window event so if you hide a window with WinHide th...

Hello, please try the udated version in the top post, it should handle window hiding/showing automatically.

Thanks for reporting this! That does not appear to be an issue with AlwaysOnTop windows, but with the Gui, Hide command. The following script works in the scenario you mentioned. Gui, TEST:New, +AlwaysOnTop Gui, TEST:Add, Button, w70 h30 gGuiHide, Gui Hide gui, TEST:Show, w400 h300 Return TESTGuiClo...

@rommmcek When I apply it on windows made AlwaysOnTop with it works correctly but makes the window not AlwaysOnTop

The following script changes the color of the current window (titlebar + border). You can use this on multiple windows and each will get a different background color. By default you can use the Ctrl+Shift+W hotkey to change the current window background color. On Windows 10 the effect will only be v...