Prevent multiple launches of .AU3

[KDoc]

Hi,

I have the following AutoHotkey script running in the System tray

#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.

F8::  run, c:\emr\F8.au3

When the F8 is pressed, the Autoit script F8.au3 is launched.   However, when the user holds down the F8 key, it understandably launches multiple instances of the F8.au3 script.  Is there any way that will prevent launching of the AU3 script? 

Thanks

Kris
 

[Danp2]

Look up _Singleton in the help file.

[pseakins]

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Edited May 24, 2021 by pseakins
irrelevant post