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Detecting if checkbox is checked fails but why ?

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Well a program, has a popup screen and in the past i used that to set some checkboxes.
However now i need to check if it is still checked.

So i took AutoIt v3 Window info tool , and this is what i got for my checkbox :

Class => Button
Instance => 2
ClassnameNN => Button2
Name =>
Advanced Mode => [CLASS:Button; INSTANCE:2]
ID => 403


Then i used below code to check it, and just for testing my code i use a beep

;this is the moment i wait for the launch the Preference window.

$mywindow2 = WinWait("Preferences")

; till above my code works fine as i used the same code to set those checkboxes in the past
if GUICtrlRead("[CLASS:Button; INSTANCE:2]",0) =  $GUI_CHECKED Then beep(6000,500)

I never here the test Beep and the error i get from above code is :

if GUICtrlRead("[CLASS:Button; INSTANCE:2]",0) =  $GUI_CHECKED Then beep(6000,500)
if GUICtrlRead("[CLASS:Button; INSTANCE:2]",0) =  ^ ERROR

Although people use it a lot $GUI_CHECKED it doesnt work for me ?, neither does simple 1 or 0 or some exotic Bitand function i saw elsewhere
What do i wrong ? there are multiple checkboxes on the form, and i need to check several of them

Edited by PGTART

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You can't read an external control with GUICtrlRead, that's for AutoIt created controls in the same script. You'd need ControlCommand to read it.

If I posted any code, assume that code was written using the latest release version unless stated otherwise. Also, if it doesn't work on XP I can't help with that because I don't have access to XP, and I'm not going to.
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:thumbsup: Thanks, :thumbsup:

I didnt knew that, for people who get in the same problem this solved it

if ControlCommand ($mywindow2,"","[CLASS:Button; INSTANCE:2]","IsChecked", "") = 1  Then beep(6000,500)


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Well, if you read carefully the help file, you would have been aware like all other people who did not make that mistake.


OS : Win XP SP2 (32 bits) / Win 7 SP1 (64 bits) / Win 8 (64 bits) | Autoit version: latest stable / beta.
Hardware : Intel(R) Core(TM) i5-2400 CPU @ 3.10Ghz / 8 GiB RAM DDR3.

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