Re: [PATCH v2 0/3] MR4024: uiautomationcore: COM focus change event handler event advisement support.

[Esme Povirk (＠madewokherd)]

On Mon Oct  9 13:47:08 2023 +0000, Connor McAdams wrote:
> Older implementations (e.g Win10v1507 and below) did advise the
> currently focused HWND when the event handler was added, but current
> implementations just advise the desktop node, which is expected to
> advise all HWNDs on the desktop by calling `GetEmbeddedFragmentRoots` on
> the default BaseHwnd provider for the desktop. I added a few more tests
> to hopefully clarify this.

Then the code that advises those hwnds should be responsible for adding it to the table, to avoid a race condition with the focus changing externally.