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Variable used without being declared

2 posts in this topic

This script suppose to take snapshot every 10 seconds

for some reason the compiler says:"(24) : ==> Variable used without being declared.:" although i didn't make the declaration must and i even declared it in the function.

Func _IsFileExist()
static global $itr=1
While 1
If FileExists("C:\Documents and Settings\roy_b\My Documents\My Pictures\"&$itr&".jpg") Then
$itr=$itr+1
Else
ExitLoop
EndIf
WEnd
EndFunc

While 1

_IsFileExist()
Send("{PRINTSCREEN}")
Sleep(500)
ShellExecute("mspaint")
;Send("{ENTER}")
WinWait("untitled - Paint")
Send("^v")
Sleep(1000)
Send("^s")
Sleep(1000)
Send($itr)
Sleep(500)
Send(" j")
Sleep(500)
Send("{enter}")
Sleep(1000)
Send("!{F4}")
Sleep(500)
AutoItSetOption("WinTitleMatchMode",2)
WinActivate("VLC media player")
Sleep(500)
Send("{SHIFTDOWN}")
Send("s")
Send("{SHIFTUP}")
Sleep(10000)
$itr=$itr+1
WEnd

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Basically don't declare Global variables inside a function and in your case there is no requirement to use Static (bare in mind this is still in the experimental stage.)

Have a look in the Help file under the section 'Variables' to give a better understanding of variable scope.


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Updated: 04/09/2015

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