• .NET Core Version:
  .Net 6.0.100-alpha.1.20516.5

• Have you experienced this same bug with .NET Framework?:
  No

• More Info

1. This issue cannot repro on .Net Core 3.1.
2. Affected controls: CheckedListBox, ListBox, ToolStrip, StatusStrip, ContextMenuStrip, BindingNavigator, DataGridView, ListView

Minimal repro:

1. Create a Winforms .Net Core app with controls: CheckedListBox/ListBox/ToolStrip/StatusStrip, ContextMenuStrip/BindingNavigator/DataGridView/ListView
2. Added items for these controls
3. Build and run app
4. Open the Inspect tool and observe these controls hierarchy on MSAA mode

Actual behavior:
Controls' items cannot be displayed in Inspect: MSAA

Expected behavior:
Controls' items can be displayed in Inspect: MSAA hierarchy