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Extended ASCII characters in a control crashes AutoHotkey

 
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toasterking



Joined: 04 Oct 2006
Posts: 8
PostPosted: Mon Feb 18, 2008 2:01 am    Post subject: Extended ASCII characters in a control crashes AutoHotkey Reply with quote
I am using ControlGet to read the text in an Edit control in a window. It works just fine with standard ASCII characters, but some extended ASCII characters crash the script. Here is the offending line of code:

Code:
ControlGet, Artist, Line, 1, Edit2, MP4 info editor


The string in the Edit control that I am trying to read is: Mêlée

When AutoHotkey crashes, this is the error message generated by Windows:

Code:
AUTOHOTKEY caused a general protection fault
in module USER.EXE at 001e:00001ae0.
Registers:
EAX=00000000 CS=16df EIP=00001ae0 EFLGS=00000286
EBX=01470000 SS=699f ESP=000089c2 EBP=009b89c8
ECX=0000694d DS=6f76 ESI=00008000 FS=3557
EDX=00010000 ES=533f EDI=00028000 GS=0000
Bytes at CS:EIP:
f3 a4 5f 5e 1f ff 76 0a 9a dc 00 47 01 8b e5 5d
Stack dump:
7dd07de0 89de16bf 00011d1e 0000e94d 00006f76 1d04533f 7da87da8 220289f4 000117af 7de07dd0 8ae01d69 89fe7da8 8a0416bf 000121b0 0eec7da8 207b8a20


To me this seems like a bug, but perhaps there is a better way to read an Edit control in Win9x that doesn't cause the script to crash. Can anyone enlighten me?
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jaco0646



Joined: 07 Oct 2006
Posts: 559
Location: MN, USA
PostPosted: Mon Feb 18, 2008 3:11 am    Post subject: Reply with quote
Well, it's definitely a Win9x problem, as you noted, because the code works fine for me on XP.

Have you tried ControlGetText?
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toasterking



Joined: 04 Oct 2006
Posts: 8
PostPosted: Tue Feb 19, 2008 6:03 am    Post subject: Reply with quote
Wow. I've been using AutoHotkey for a couple of years -- I don't know how I missed that. ControlGetText works beautifully in my scenario on Windows 98 -- thank you! Very Happy
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toasterking



Joined: 04 Oct 2006
Posts: 8
PostPosted: Tue Feb 19, 2008 6:16 am    Post subject: Reply with quote
I posted the bug:
http://www.autohotkey.com/forum/viewtopic.php?t=28800
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rickly
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PostPosted: Tue Feb 19, 2008 11:30 am    Post subject: Re: Extended ASCII characters in a control crashes AutoHotke Reply with quote
toasterking wrote:
I am using ControlGet to read the text in an Edit control in a window. It works just fine with standard ASCII characters, but some extended ASCII characters crash the script. Here is the offending line of code:

Code:
ControlGet, Artist, Line, 1, Edit2, MP4 info editor


The string in the Edit control that I am trying to read is: Mêlée


I could not duplicate this on my win98se box.
saved and ran this as "test.ahk"
Code:
Gui, add, edit,w300 r3, this is my text: Mêlée
gui, show

then ran this
Code:
ControlGet, Artist, Line, 1, Edit1, test.ahk
msgbox, returned [%Artist%]
ExitApp

and it returned the expected text. Surprised
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