Re: [PATCH 0/4] MR2665: uiautomationcore: More default ProviderType_BaseHwnd provider features, and default ProviderType_Proxy support.

[Esme Povirk (＠madewokherd)]

Esme Povirk (@madewokherd) commented about dlls/uiautomationcore/uia_provider.c:
> +{
> - return (GetAncestor(hwnd, GA_PARENT) == GetDesktopWindow()) ? TRUE : FALSE;
>
> +}
> -
>
> +static HRESULT get_uia_control_type_for_hwnd(HWND hwnd, int *control_type)
> +{
> - LONG_PTR style, ex_style;
> -
> - *control_type = 0;
> - if ((ex_style = GetWindowLongPtrW(hwnd, GWL_EXSTYLE)) & WS_EX_APPWINDOW)
> - {
> -
>    *control_type = UIA_WindowControlTypeId;
> -
>    return S_OK;
> - }
> -
> - if (!(style = GetWindowLongPtrW(hwnd, GWL_STYLE)))

Is it not possible for a window to have a style of 0?