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Bug Report T1279965
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Access Violation error occurs on closing a form after interacting with TdxNavBar via Microsoft UI Automation

created 2 days ago (modified 2 days ago)

Current results:

The issue occurs after automatic test systems (e.g., TestComplete) interact with the TdxNavBar via our UI Automation functionality. The call stack contains the following method calls:

Call Stack
dxNavBarOffice11Views         +1 TdxNavBarNavigationPaneActiveGroupCaptionPanelAccessibilityHelper.GetAutomationSettings
dxUIABase                     +7 TdxUIARawElementProviderSimple.InitElementProperties
dxUIABase                    +3 TdxUIARawElementProviderSimple.GetPropertyValue
UIAutomationCore.dll                                  UiaDisconnectProvider
dxUIA                         +5 dxUIADisconnectProvider
dxUIABase                     +9 TdxUIARawElementProviderSimple.InternalRunShutdownStage
dxNavBarBase                  +3 TdxNavBarCustomAccessibilityHelper.InternalRunShutdownStage
dxUIABase                    +13 TdxUIABaseProvider.RunShutdownStage
dxUIABase                    +12 TdxUIABaseProvider.RunShutdownStage
dxUIABase                     +3 dxUIAShutdownProvider
dxUIABase                    +25 dxUIACleanupWindowProvider
cxControls                    +1 TcxCustomControl.WMDestroy
cxControls                    +3 TcxControl.WMDestroy
Vcl.Controls                 +91 TControl.WndProc
Vcl.Controls                +178 TWinControl.WndProc
cxControls                   +25 TcxControl.WndProc
Vcl.Controls                  +3 TWinControl.MainWndProc
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Answers approved by DevExpress Support

created 2 days ago

We have addressed the issue described in this ticket and will include a fix in our next maintenance update. Should you need to apply our fix prior to official release, you can request a hotfix here.

Important Notes:

  • Hotfixes may be unavailable for Early Access/Beta builds or updates set for release within a week.
  • .NET only: in the NuGet Package Manager, use your personal NuGet feed and check the "Include prerelease" option to view the hotfix package in the "Updates" tab.
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