(WM_MOUSEWHEEL): Define relative to WM_MOUSELAST.

(MSH_MOUSEWHEEL): New macro.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/w32term.h b/src/w32term.h
index 5b4ac1ced01..f458a4e3268 100644
--- a/src/w32term.h
+++ b/src/w32term.h
@@ -590,8 +590,11 @@ extern void w32_unload_font ();
 
 /* Define for earlier versions of Visual C */
 #ifndef WM_MOUSEWHEEL
-#define WM_MOUSEWHEEL                  (0x020A)
+#define WM_MOUSEWHEEL                  (WM_MOUSELAST + 1)
 #endif /* WM_MOUSEWHEEL */
+#ifndef MSH_MOUSEWHEEL
+#define MSH_MOUSEWHEEL                 "MSWHEEL_ROLLMSG"
+#endif /* MSH_MOUSEWHEEL */
 
 #define WM_EMACS_START                 (WM_USER + 1)
 #define WM_EMACS_KILL                  (WM_EMACS_START + 0x00)