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Internet Information Services (IIS) Manager: error when moving through listview #11468

leonardder opened this issue Aug 6, 2020 · 1 comment · Fixed by #11469


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leonardder commented Aug 6, 2020

Steps to reproduce:

  1. Open Internet Information Services (IIS) Manager
  2. use the tree view to connect to a server and select a site.
  3. Press tab until you reach the list view containing shortcuts to several feature pages.

Actual behavior:


ERROR - eventHandler.executeEvent (11:02:12.320) - MainThread (3316):
error executing event: gainFocus on <NVDAObjects.IAccessible.sysListView32.ListItem object at 0x0555E6D0> with extra args of {}
Traceback (most recent call last):
  File "eventHandler.pyc", line 214, in executeEvent
  File "eventHandler.pyc", line 94, in __init__
  File "eventHandler.pyc", line 102, in next
  File "\\install01\install$\000007 - sevenP\Leonard\nvda_portable\userConfig\addons\unicornNVDA\globalPlugins\unicorn\", line 340, in event_gainFocus
  File "eventHandler.pyc", line 102, in next
  File "NVDAObjects\__init__.pyc", line 1105, in event_gainFocus
  File "NVDAObjects\behaviors.pyc", line 606, in reportFocus
  File "NVDAObjects\__init__.pyc", line 991, in reportFocus
  File "speech\__init__.pyc", line 478, in speakObject
  File "speech\__init__.pyc", line 517, in getObjectSpeech
  File "speech\__init__.pyc", line 381, in getObjectPropertiesSpeech
  File "baseObject.pyc", line 41, in __get__
  File "baseObject.pyc", line 144, in _getPropertyViaCache
  File "NVDAObjects\IAccessible\sysListView32.pyc", line 436, in _get_name
AttributeError: 'NoneType' object has no attribute 'width'

Expected behavior:

NO error

System configuration

NVDA installed/portable/running from source:


NVDA version:


Windows version:

Windows Server 2012 R2

Name and version of other software in use when reproducing the issue:

Internet Information Services (IIS) Manager on said version of Windows server. However, it also applies to current versions of IIS manager.

Other questions

Does the issue still occur after restarting your computer?


Have you tried any other versions of NVDA? If so, please report their behaviors.


If addons are disabled, is your problem still occuring?


Did you try to run the COM registry fixing tool in NVDA menu / tools?


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Collaborator Author

leonardder commented Aug 6, 2020

I'm pretty sure this is related to the fix in #2673, as LVM_GETVIEW returns 0 for this list. It is also a list with groupings in it.

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2 participants