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Fix issue 14501: TabControl inside SplitContainer inside TabControl does not match dark mode #14504

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Fix issue 14501: TabControl inside SplitContainer inside TabControl does not match dark mode #14504

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Azure Pipelines / dotnet-winforms CI succeeded May 6, 2026 in 17m 10s

Build #20260505.18 had test failures

0 errors / 3 warnings

Details

Tests

  • Failed: 1 (0.00%)
  • Passed: 110,280 (99.63%)
  • Other: 410 (0.37%)
  • Total: 110,691

Annotations

Check failure on line 1 in Microsoft.VisualBasic.Forms.Tests.WindowsFormsApplicationBaseTests.ShowHideSplashScreenSuccess

See this annotation in the file changed.

@azure-pipelines azure-pipelines / dotnet-winforms CI

Microsoft.VisualBasic.Forms.Tests.WindowsFormsApplicationBaseTests.ShowHideSplashScreenSuccess 

System.InvalidOperationException : Value Dispose() cannot be called while doing CreateHandle().
Raw output 
   at System.Windows.Forms.Control.Dispose(Boolean disposing) in D:\a\_work\1\s\src\System.Windows.Forms\System\Windows\Forms\Control.cs:line 4802
   at System.Windows.Forms.ContainerControl.Dispose(Boolean disposing) in D:\a\_work\1\s\src\System.Windows.Forms\System\Windows\Forms\Layout\Containers\ContainerControl.cs:line 598
   at System.Windows.Forms.Form.Dispose(Boolean disposing) in D:\a\_work\1\s\src\System.Windows.Forms\System\Windows\Forms\Form.cs:line 3557
   at System.ComponentModel.Component.Dispose()
   at Microsoft.VisualBasic.Forms.Tests.WindowsFormsApplicationBaseTests.ShowHideSplashScreenSuccess() in D:\a\_work\1\s\src\Microsoft.VisualBasic.Forms\tests\UnitTests\System\Windows\Forms\WindowsFormsApplicationBaseTests.vb:line 127
   at Microsoft.VisualBasic.Forms.Tests.WindowsFormsApplicationBaseTests.ShowHideSplashScreenSuccess() in D:\a\_work\1\s\src\Microsoft.VisualBasic.Forms\tests\UnitTests\System\Windows\Forms\WindowsFormsApplicationBaseTests.vb:line 117
   at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
   at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)
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