.NET version

.NET 8

Did it work in .NET Framework?

Yes

Did it work in any of the earlier releases of .NET Core or .NET 5+?

Yes, I believe it was working in .NET 6.

Issue description

For a WinForms TabControl, the tab page is exposed through UIAutomation but the TabItem controls are missing so there is no way for automations to switch between tabs.

Steps to reproduce

Create a WinForms app. Add a TabControl. By default it will have to pages. Run it. Walk the tree of the application. Tab page is there but no TabItem controls.