There's gdkwin32.h and in there the GDK_WINDOW_HWND macro, giving you
>
> How I get the wid of a process on Windows? Is it possible?
>
> I'm cross-compiling using mingw on linux and use gdkx.h to get the
> window id.
the equivalent of X11's window id, but you'll need some ifdef magic
here.
http://svn.gnome.org/viewvc/gtk%
2B/trunk/gdk/win32/gdkwin32.h?revision=20900&view=markup