Re: [1/3] comdlg32: Implement SetControlItemState for menu controls.

[Vincent Povirk]

> You can always add an item at a particular position. That should allow
> implementing hide/show for menus and combo/listboxes pretty easily using
> standard functionality.

Yes, that's what I did, but it means we have to keep track of the
hidden items separately, which we weren't doing before.