Fix treeview with checkboxes creation

[Dmitry Timoshkov]

"Maxime Bellengé" <maxime.bellenge at laposte.net> wrote:

> According to MSDN, it is said that CreateCompatibleBitmap should be used
> whenever a color bitmap is created.
> Moreover, with CreateBitmap, I have to know the depth of the screen
> whereas with CreateCompatibleBitmap I don't need to.
>
> Dmitry (or others), do you really think this patch can't be applied as
> is. I will add some comments as suggested by Marcelo Duarte.

As I already have said, send what you see is more appropriate.

--
Dmitry.