Re: [PATCH v28 0/1] MR9442: comctl32/treeview: check for child item before SendExpanding

[Thomas Csovcsity (＠thc13)]

Thomas Csovcsity (@thc13) commented about dlls/comctl32/treeview.c:
> if (!TREEVIEW_HasChildren(infoPtr, item))
>   return FALSE;
>
> -    if (bUser && TREEVIEW_SendExpanding(infoPtr, item, action))
> -        return TRUE;
> -
> +    /* 
> +     * the child items may not actually exist, they could be virtual.
> +     * Just use item->firstChild to check for physical children,
> +     * before TREEVIEW_SendExpanding may change it.
> +    */

Commet is from https://gitlab.winehq.org/thc13/wine/-/edit/treeview_bug-23077/dlls/comctl32...

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9442#note_130393