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Check If All Checkboxes Are Checked

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G'day everyone

I'm trying to create a GUI in which the user has to check all checkboxes and press the OK button before the script continues. I just don't know how to check if the user has checked all the checkboxes. My solution doesn't work... I thought that since if the state of the checkbox is changed, it returns the value 1, then all I have to do is check if the sum of the values equal the number of checkboxes. Unfortunately, I don't know the syntax to do that (and I can't find it under the math functions in the Help file).

Here's what I have (the last bit doesn't work, but you'll get the idea):

#include <GUIConstants.au3>

Opt("GUIOnEventMode", 1) ; Change to OnEvent mode 
$mainwindow = GUICreate("Hello World", 200, 100)

$checkCN1 = GUICtrlCreateCheckbox ("Checkbox 1", 20, 20)
$checkCN2 = GUICtrlCreateCheckbox ("Checkbox 2", 20, 40)
$checkCN3 = GUICtrlCreateCheckbox ("Checkbox 3", 20, 60)
$checkCN4 = GUICtrlCreateCheckbox ("Checkbox 4", 20, 80)

$okbutton = GUICtrlCreateButton("OK", 20, 100, 60)
GUICtrlSetOnEvent($okbutton, "OKButton")

While 1

Func OKButton()

Dim $a, $b, $c, $d, $e

$a = GUICtrlGetState ($checkCN1)
$b = GUICtrlGetState ($checkCN2)
$c = GUICtrlGetState ($checkCN3)
$d = GUICtrlGetState ($checkCN4)

$e = ($a+$b+$c+$d)

  $e = (4)
  MsgBox(0, "GUI Event", "You ticked all four boxes")
  MsgBox(0, "GUI Event", "You did not tick all four boxes")

Any ideas? I really miss an abundance of GUI examples in the Help file.



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You need to use GUICtrlRead()

$a = GUICtrlRead($checkCN1)
    $b = GUICtrlRead($checkCN2)
    $c = GUICtrlRead($checkCN3)
    $d = GUICtrlRead($checkCN4)

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GuitCtrlGetState() returns the current state of the check box. This will return $GUI_CHECKED or $GUI_UNCHECKED when called, not a 1 if checked and a 0 in uncecked.

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