[PATCH v2 2/3] shell32: Implement FolderItems_Item.

[Alex Henrie]

2016-07-22 0:13 GMT-06:00 Nikolay Sivov <bunglehead at gmail.com>:
> Is it possible we'll need special folder indices here as well? I didn't
> check thoroughly.

You're right, if the index type is VT_ERROR, FolderItems::Item returns
a FolderItem for the containing folder regardless of what the index
value is. This special behavior is tested and implemented in v3.

> This is assuming you always have VT_I4 on input, but it's obviously
> possible to call it with any type.

It turns out that FolderItems::Item returns S_OK for VT_I2, V_I4, and
V_ERROR, S_FALSE for VT_BSTR, and E_NOTIMPL for everything else. This
behavior is tested and implemented in v3.

> 'dir' is not necessary VT_BSTR.

In v3, Folder::Items returns E_NOTIMPL if dir is VT_I4, the same as
Folder::get_Title.

-Alex