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Why can't arrays contain variables?


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For example, I set the variables to different names to make it easier to remember, instead of setting a variable $Key[nn], it's easy to call. Is there a way to solve the case of arrays containing variables to make the code less verbose?

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>
#include <Array.au3>

;~ Global $arrayall[3] = [$Label1, $Label2, $Label3, $Label4]

#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 529, 437, 192, 124)
$Label1 = GUICtrlCreateLabel("", 56, 24, 36, 17)
$Label2 = GUICtrlCreateLabel("", 56, 64, 36, 17)
$Label3 = GUICtrlCreateLabel("", 56, 104, 36, 17)
$Label4 = GUICtrlCreateLabel("", 56, 144, 36, 17)
$Button1 = GUICtrlCreateLabel("SET", 56, 144, 36, 17)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
Global $arrayall[3] = [$Label1, $Label2, $Label3, $Label4]

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit
        Case $Button1
            _SETDATA()

    EndSwitch
WEnd

Func _SETDATA()
    For $i = 0 To UBound $arrayall[3]
    GUICtrlSetData($arrayall[$i], 1)
    Next
EndFunc

 

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Your code works (with a couple of fixes):

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>
#include <Array.au3>

;~ Global $arrayall[3] = [$Label1, $Label2, $Label3, $Label4]

#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 529, 437, 192, 124)
$Label1 = GUICtrlCreateLabel("", 56, 24, 50, 17)
$Label2 = GUICtrlCreateLabel("", 56, 64, 50, 17)
$Label3 = GUICtrlCreateLabel("", 56, 104, 50, 17)
$Label4 = GUICtrlCreateLabel("", 56, 144, 50, 17)
$Button1 = GUICtrlCreateButton("SET", 56, 184, 36, 17)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
Global $arrayall[4] = [$Label1, $Label2, $Label3, $Label4]

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit
        Case $Button1
            _SETDATA()

    EndSwitch
WEnd

Func _SETDATA()
    For $i = 0 To (UBound($arrayall) - 1)
    GUICtrlSetData($arrayall[$i], 'Set data')
    Next
EndFunc

You could also declare an array of labels at the top, then assign them as you create the labels. Example:

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>
#include <Array.au3>

;~ Global $arrayall[3] = [$Label1, $Label2, $Label3, $Label4]

Global $g_iLabelID[4]

#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 529, 437, 192, 124)
$g_iLabelID[0] = GUICtrlCreateLabel("", 56, 24, 50, 17)
$g_iLabelID[1] = GUICtrlCreateLabel("", 56, 64, 50, 17)
$g_iLabelID[2] = GUICtrlCreateLabel("", 56, 104, 50, 17)
$g_iLabelID[3] = GUICtrlCreateLabel("", 56, 144, 50, 17)
$Button1 = GUICtrlCreateButton("SET", 56, 184, 36, 17)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
;~ Global $arrayall[4] = [$Label1, $Label2, $Label3, $Label4]

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit
        Case $Button1
            _SETDATA()

    EndSwitch
WEnd

Func _SETDATA()
    For $i = 0 To (UBound($g_iLabelID) - 1)
    GUICtrlSetData($g_iLabelID[$i], 'Set data')
    Next
EndFunc

Apologies if I'm misunderstanding your question..

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4 minutes ago, Danp2 said:

It isn't clear to me what you are trying to accomplish, so you may want to restate the problem.

Example: I set 5 variables.
$A, $B, $C, $D, $E, ... Then how can I combine these variables into an array so that I can change the state or data quickly without having to be verbose. Because the variable name I set to make myself easy to remember and recognize.

Edited by Loc
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  • Solution

I may still be misunderstanding so apologies if so.

Maybe a Map?

Maybe an Enum?

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>
#include <Array.au3>

;~ Global $arrayall[3] = [$Label1, $Label2, $Label3, $Label4]

Global Enum $LABEL_1 = 0, $LABEL_2, $LABEL_3, $LABEL_4

Global $g_iLabelID[4]

#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 529, 437, 192, 124)
$Label1 = GUICtrlCreateLabel("", 56, 24, 100, 17)
$Label2 = GUICtrlCreateLabel("", 56, 64, 100, 17)
$Label3 = GUICtrlCreateLabel("", 56, 104, 100, 17)
$Label4 = GUICtrlCreateLabel("", 56, 144, 100, 17)
$Button1 = GUICtrlCreateButton("SET", 56, 184, 36, 17)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
Global $arrayall[4] = [$Label1, $Label2, $Label3, $Label4]

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit
        Case $Button1
            _SETDATA()

    EndSwitch
WEnd

Func _SETDATA()
    For $i = 0 To (UBound($arrayall) - 1)
    GUICtrlSetData($arrayall[$i], 'Set data')
    Next
    GUICtrlSetData($arrayall[$LABEL_3], 'This is Label 3')
EndFunc

 

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The question/details are not completely clear to me

  • You seem to want some logic name for each control
  • You seem to have a need to iterate over an array of named items 

Then you probably should look at the assign, eval, execute, assign functions

$a=10
$b=20
$c=30
$d=40
$e=50

$arrItemsOfInterest=stringsplit("a,c,e",",")

For $i = 0 To (UBound($arrItemsOfInterest) - 1)
    assign($arrItemsOfInterest[$i], eval($arrItemsOfInterest[$i])+5)
Next

consolewrite($a & @CRLF)
consolewrite($b & @CRLF)
consolewrite($c & @CRLF)
consolewrite($d & @CRLF)
consolewrite($e & @CRLF)

So what you want you can accomplish with

$arrItemsOfInterest=stringsplit("label1,label2,label3,label4",",")

 

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$A, $B, $C, $D, $E, ... Then how can I combine these variables into an array so that I can change the state,  data

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>
#include <WindowsConstants.au3>
#include <Array.au3>

;~ Global $arrayall[3] = [$Label1, $Label2, $Label3, $Label4]

Global Enum $LABEL_1 = 0, $LABEL_2, $LABEL_3, $LABEL_4

Global $g_iLabelID[4]

#Region ### START Koda GUI section ### Form=
$Form1 = GUICreate("Form1", 529, 437, 192, 124)
$Label1 = GUICtrlCreateLabel("", 56, 24, 100, 17)
$Label2 = GUICtrlCreateLabel("", 56, 64, 100, 17)
$Label3 = GUICtrlCreateLabel("", 56, 104, 100, 17)
$Label4 = GUICtrlCreateLabel("", 56, 144, 100, 17)
$Button1 = GUICtrlCreateButton("SET", 56, 184, 36, 17)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###
Global $arrayall[4] = ["1", "2", "3", "4"]
While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit
        Case $Button1
            _SETDATA('off',"ee")

    EndSwitch
WEnd

Func _SETDATA($state,$data)
    For $i = 0 To (UBound($arrayall) - 1)
       Local $var
    $var &= $arrayall[$i]
 Next
 Local $prev = $var
 Local $new_array[1] = $var
 if $state = "on" Then
      $new_array = $data
      MsgBox(0,'',$new_array)
   Else
      $new_array = $prev
      MsgBox(0,'',$new_array)
      EndIf
EndFunc

 

Edited by ad777

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