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PB Apps crash when Windows magnifier is active
  1. Issue
1 Votes
  1. Benjamin Hübner
  2. PowerBuilder
  3. Thursday, 24 October 2019 11:06 AM UTC

Hi Experts!

We've identified a strange problem.

On some computers (with probably only Windows 10) our programs written in PowerBuilder 2019, 2017 and 12.5 crash when you activate the Windows screen magnifier (full screen). On other computers (also with Win 10) it is ok.

The only thing we found as information in the Windows event log is that there is a problem with the OLEACC.DLL.

We found out that if you turn off the "Keyboard focus" and "Text cursor" options in the Windows screen magnifier, it won't crash. And it seems to be a problem with the datawindow control:

It is interesting that the DLL is loaded from the Windows directory System32 and not from SysWOW64.

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Name der fehlerhaften Anwendung: winglass.exe, Version: 1.0.0.1, Zeitstempel: 0x5db17d3c
Name des fehlerhaften Moduls: OLEACC.dll, Version: 7.2.18362.1, Zeitstempel: 0xcdf7325e
Ausnahmecode: 0xc000041d
Fehleroffset: 0x00019322
ID des fehlerhaften Prozesses: 0x288
Startzeit der fehlerhaften Anwendung: 0x01d58a57c9980980
Pfad der fehlerhaften Anwendung: D:\WinGlassesTest\winglass.exe
Pfad des fehlerhaften Moduls: C:\WINDOWS\SYSTEM32\OLEACC.dll
Berichtskennung: c2b567e9-8589-4496-a894-47af5a800672
Vollständiger Name des fehlerhaften Pakets:
Anwendungs-ID, die relativ zum fehlerhaften Paket ist:

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Can anyone reproduce this?

Enclosed is a test program (PB2017R3 runtimes are required).

Regards,

Benjamin

 

Attachments (1)
WinGlassesTest.zip
List of unused objects in a PB2019 project Themes and titlebars
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