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Reizvoller

Subscript used on non-accessible variable

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Reizvoller

Greetings, 

Func pixelHunter ()
   Local $PixelHunt[2]

   Do
    $PixelHunt = PixelSearch (1, 1, 1016, 874, "0xCCE4CC", 0, 1, $sWorkOrderWin)
 Until $PixelHunt[0] > 0


EndFunc

So when I call up this function in my app it fires back "Subscript used on non-accessible variable"

Now, if I am understanding this message properly it is trying to tell me that the variable can't be seen by the function asking for it.

I replaced "Do...Until" with simply a "ConsoleWrite" the $PixelHunt value and it doesn't throw that error.

Any advice would be appreciated!

-Reiz

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markyrocks

Pixelsearch returns an array.  $pixel hunt does not need to be declared as an array ahead of time remove the "[2]" from the declaration line.

 

Remove the do and until statement. 

It should look like this

 

$a=pixelsearch  (0,0,100,100, color)

If isarray  ($a)  then

;do whatever bc it was successful 

Else

;  do whatever not successful no color found

Endif

 

Your basically declaring an array 

$pixelhunt [0]

$pixelhunt [1]

$pixelhunt [2]

Then trying to assign a value to an unknown slot. 

If you went  $pixelhunt [0]=pixelsearch  (0,0,1,1,color) the return would  (should ,could?)

Be stored as $pixelhunt  [0][0]=x coord

$pixelhunt  [0][1]=y coord

I believe it would work this way.  It's been awhile.

Edited by markyrocks

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