need help in imageSearch i download pls

[yakir]

i get a wierd problam wani try use it

this is the code i use to summon the func

it need to wait until the image apper or stop wan i preass a button

Do 
                sleep(5000)
                $oka = _ImageSearchArea(@ScriptDir &"\image\sroOn.BMP",1,38,95,186,122,$x1,$y1,0)
            Until $oka = 1 or GUIGetMsg() = $Stop

this is the error

C:\Program Files\AutoIt3\Include\ImageSearch.au3 (40) : ==> Subscript used with non-Array variable.:
if $result[0]="0" then return 0
if $result^ ERROR

i attach the imagesearch i DL to this topic

pls help

ImageSearch.zip

Edited March 30, 2010 by yakir

[bo8ster]

It is saying that $result is not an array. The issue resides in ImageSearch.au3 as indicated by the compiler.

$result = DllCall("ImageSearchDLL.dll", "str", "ImageSearch", "int", $x1, "int", $y1, "int", $right, "int", $bottom, "str", $findImage)

    ; If error exita
    If $result[0] = "0" Then Return 0

You say that the DLLCall should return a string, find out what it is really returning using ConsoleWrite. You can also use the function IsArray to assert an array is returned.

[yakir]

i read about DLLcall in the help files

DllCall ( "dll", "return type", "function" [, type1, param1 [, type n, param n]] )

"return type"

this give you the the string type so it is give me string so what is it's problam?

[bo8ster]

As I said, you think the dll should return a string. What I am saying is "Subscript used with non-Array variable." means that AutoIt does not see '$result' as an array or string when you are using subscript. (A string is an character array).

In your error checking if the string returned is blank or invalid then $result[0] = "0" will fail. I would do the following.

If Not IsString($result) Then Return 0
If $result = "" Then Return 0
ConsoleWrite($result & @CRLF)