WM_EMACS_CREATEHSCROLLBAR 3296 src/w32fns.c         M (WM_EMACS_CREATEHSCROLLBAR),
WM_EMACS_CREATEHSCROLLBAR 5392 src/w32fns.c       case WM_EMACS_CREATEHSCROLLBAR:
WM_EMACS_CREATEHSCROLLBAR 4053 src/w32term.c  			     WM_EMACS_CREATEHSCROLLBAR, (WPARAM) f,