#ifndef WM_MOUSEHWHEEL
#define WM_MOUSEHWHEEL (WM_MOUSEWHEEL + 4)
#endif /* WM_MOUSEHWHEEL */
+#ifndef WM_APPCOMMAND
+#define WM_APPCOMMAND 0x319
+#define GET_APPCOMMAND_LPARAM(lParam) (HIWORD(lParam) & 0x7fff)
+#endif
#define WM_EMACS_START (WM_USER + 1)
#define WM_EMACS_KILL (WM_EMACS_START + 0)