Re: [PATCH 0/6] MR846: uiautomationcore: Implement basic HWND based HUIANODE behavior. (v2)

[Connor McAdams (＠cmcadams)]

On Wed Sep 14 21:56:31 2022 +0000, Esme Povirk wrote:
> Unsure what the best way to handle this is. AFAICT SendMessage will set
> the last error to ERROR_INVALID_WINDOW_HANDLE if the window doesn't
> exist, but it may not set the last error if it succeeds and returns 0.
> Thus you would either have to call IsWindow or set last error beforehand.

Ah, didn't know about doing `SetLastError`. I'll probably do that then, and then check if it's `ERROR_INVALID_WINDOW_HANDLE` after the call.