Get Process Closed Event [AGAIN]

Hi, I had already asked before about the "CLOSING EVENT".

Jos Answered:

OnAutoItExitRegister()

It's an awesome idea, however it isn't working all the time. For example I made a small script:

OnAutoItExitRegister( "EndUP" )
 
While 1
    ToolTip( "Stop me" )
    Sleep(200)
WEnd
 
Func EndUP()
    MsgBox(0, "message", "YOU STOPPED ME!")
        Exit
EndFunc

I compiled it, and after I pressed CTRL+ALT+DEL and stopped it, nothing happened. If I close it with the tray icon, it works perfectly. So on, I think it only works if the autoit closes itself, or I've got no idea

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guiness suggested the following one:

WM_CLOSE

I tried to look for it at the forum, but found near nothing, but this:

http://www.autoitscript.com/autoit3/docs/appendix/WinMsgCodes.htm

The problem is that taskmgr forces to close, so I'm not sure if it sends WM_CLOSE to the program.

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Is there any way to detect such commands? (I've got idea how to use raw message codes like wm_close, or wm_quit)