Just thought I'd repost this as an FYI. This was >originally in the GUI Help/Support thread, but now that it's solved it might as well be in here.
I modified the WM_DRAWITEM brush/text colors to reflect the system's theme, so the List control looks more accurate in context with the OS.
#include <GuiConstantsEx.au3>
#include <WindowsConstants.au3>
#include <Constants.au3>
#include <GuiListBox.au3>
#include <GuiImageList.au3>
#include <WinAPI.au3>
; Ex