[2/4] comctl32: do not send TVN_ITEMEXPANDING when expanding item with no children

[Alexandre Julliard]

Daniel Jelinski <djelinski1 at gmail.com> writes:

> From 4ce8e5ea93897e03e1c3bbd0be90c9179890a37a Mon Sep 17 00:00:00 2001
> From: Daniel Jelinski <djelinski1 at gmail.com>
> Date: Thu, 27 Sep 2012 21:06:48 +0200
> Subject: comctl32/treeview: do not send TVN_ITEMEXPANDING when expanding item
>  with no children
>
> also, send it when re-expanding expanded item or re-collapsing collapsed one.
> Tests in later commit (look for VK_ADD/VK_SUBSTRACT)

This causes the explorerframe tests to hang.

-- 
Alexandre Julliard
julliard at winehq.org