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Just an observation


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Today I needed to use nvda on a Windows 7 machine which had an older version of Word on it. 2002 by the looks of it. Though this worked well enough for me to get out of trouble, there were a couple of funnies. Strange corruption or jumping back at page breaks, and a very long time to exit after I'd finished. This is the latest stable version of NVDA.
My take on this is that the system has to fall back on older code as its clearly not using the latest accessibility system as more modern versions.
Here is the log from the exit.

IO - speech.speak (08:46:51.751) - MainThread (1668):
Speaking [LangChangeCommand ('en_GB'), 'align left']
IO - speech.speak (08:46:51.791) - MainThread (1668):
Speaking [LangChangeCommand ('en_GB'), 'publicity oppertunity..doc - Microsoft Word']
IO - speech.speak (08:46:51.804) - MainThread (1668):
Speaking [LangChangeCommand ('en_GB'), 'multi line', 'page 1', 'section 1', 'align left', 'blank']
IO - inputCore.InputManager.executeGesture (08:46:58.502) - winInputHook (2312):
Input: kb(desktop):alt+f4
DEBUGWARNING - watchdog._watcher (08:46:59.017) - watchdog (2344):
Trying to recover from freeze, core stack:
File "nvda.pyw", line 215, in <module>
File "core.pyc", line 545, in main
File "wx\core.pyc", line 2134, in MainLoop
File "gui\__init__.pyc", line 1030, in Notify
File "core.pyc", line 514, in run
File "IAccessibleHandler.pyc", line 898, in pumpAll
File "IAccessibleHandler.pyc", line 672, in processFocusWinEvent
File "IAccessibleHandler.pyc", line 531, in winEventToNVDAEvent
File "_UIAHandler.pyc", line 556, in isUIAWindow
File "_UIAHandler.pyc", line 534, in _isUIAWindowHelper

DEBUGWARNING - core.CorePump.run (08:46:59.317) - MainThread (1668):
errors in this core pump cycle
Traceback (most recent call last):
File "core.pyc", line 514, in run
File "IAccessibleHandler.pyc", line 898, in pumpAll
File "IAccessibleHandler.pyc", line 672, in processFocusWinEvent
File "IAccessibleHandler.pyc", line 531, in winEventToNVDAEvent
File "_UIAHandler.pyc", line 556, in isUIAWindow
File "_UIAHandler.pyc", line 550, in _isUIAWindowHelper
File "watchdog.pyc", line 194, in sendMessageCallCanceller
core.CallCancelled
IO - inputCore.InputManager.executeGesture (08:47:04.254) - winInputHook (2312):
Input: kb(desktop):downArrow
DEBUGWARNING - watchdog._watcher (08:47:04.758) - watchdog (2344):
Trying to recover from freeze, core stack:
File "nvda.pyw", line 215, in <module>
File "core.pyc", line 545, in main
File "wx\core.pyc", line 2134, in MainLoop
File "gui\__init__.pyc", line 1030, in Notify
File "core.pyc", line 515, in run
File "queueHandler.pyc", line 83, in pumpAll
File "queueHandler.pyc", line 50, in flushQueue
File "scriptHandler.pyc", line 163, in _queueScriptCallback
File "scriptHandler.pyc", line 205, in executeScript
File "editableText.pyc", line 219, in script_caret_moveByLine
File "editableText.pyc", line 155, in _caretMovementScriptHelper
File "documentBase.pyc", line 24, in makeTextInfo
File "NVDAObjects\window\winword.pyc", line 675, in __init__
File "comtypesMonkeyPatches.pyc", line 82, in new__getattr__
File "comtypes\client\lazybind.pyc", line 168, in __getattr__
File "comtypes\automation.pyc", line 729, in _invoke
File "comtypesMonkeyPatches.pyc", line 26, in __call__

IO - inputCore.InputManager.executeGesture (08:47:04.926) - winInputHook (2312):
Input: kb(desktop):upArrow
IO - inputCore.InputManager.executeGesture (08:47:05.342) - winInputHook (2312):
Input: kb(desktop):downArrow
DEBUGWARNING - watchdog._watcher (08:47:05.431) - watchdog (2344):
Trying to recover from freeze, core stack:
File "nvda.pyw", line 215, in <module>
File "core.pyc", line 545, in main
File "wx\core.pyc", line 2134, in MainLoop
File "gui\__init__.pyc", line 1030, in Notify
File "core.pyc", line 515, in run
File "queueHandler.pyc", line 83, in pumpAll
File "queueHandler.pyc", line 50, in flushQueue
File "scriptHandler.pyc", line 163, in _queueScriptCallback
File "scriptHandler.pyc", line 205, in executeScript
File "editableText.pyc", line 219, in script_caret_moveByLine
File "editableText.pyc", line 155, in _caretMovementScriptHelper
File "documentBase.pyc", line 24, in makeTextInfo
File "NVDAObjects\window\winword.pyc", line 675, in __init__
File "comtypesMonkeyPatches.pyc", line 82, in new__getattr__
File "comtypes\client\lazybind.pyc", line 168, in __getattr__
File "comtypes\automation.pyc", line 729, in _invoke
File "comtypesMonkeyPatches.pyc", line 26, in __call__

DEBUGWARNING - watchdog._watcher (08:47:05.990) - watchdog (2344):
Trying to recover from freeze, core stack:
File "nvda.pyw", line 215, in <module>
File "core.pyc", line 545, in main
File "wx\core.pyc", line 2134, in MainLoop
File "gui\__init__.pyc", line 1030, in Notify
File "core.pyc", line 515, in run
File "queueHandler.pyc", line 83, in pumpAll
File "queueHandler.pyc", line 50, in flushQueue
File "scriptHandler.pyc", line 163, in _queueScriptCallback
File "scriptHandler.pyc", line 205, in executeScript
File "editableText.pyc", line 219, in script_caret_moveByLine
File "editableText.pyc", line 155, in _caretMovementScriptHelper
File "documentBase.pyc", line 24, in makeTextInfo
File "NVDAObjects\window\winword.pyc", line 675, in __init__
File "comtypesMonkeyPatches.pyc", line 82, in new__getattr__
File "comtypes\client\lazybind.pyc", line 168, in __getattr__
File "comtypes\automation.pyc", line 729, in _invoke
File "comtypesMonkeyPatches.pyc", line 26, in __call__

DEBUG - IAccessibleHandler.accessibleObjectFromEvent (08:47:08.798) - MainThread (1668):
oleacc.AccessibleObjectFromEvent with window 197904, objectID -4 and childID 0: [WinError -2147024809] The parameter is incorrect
IO - speech.speak (08:47:08.839) - MainThread (1668):
Speaking [LangChangeCommand ('en_GB'), 'Interview for book on the Coronavirus lockdown']
IO - speech.speak (08:47:08.873) - MainThread (1668):
Speaking [LangChangeCommand ('en_GB'), 'selected 1091 characters']
IO - inputCore.InputManager.executeGesture (08:47:19.878) - winInputHook (2312):
Input: kb(desktop):control+alt+r
DEBUG - appModuleHandler.cleanup (08:47:19.908) - MainThread (1668):
application winword closed
IO - speech.speak (08:47:19.918) - MainThread (1668):
Speaking [LangChangeCommand ('en_GB'), 'Taskbar']

Brian

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