WM_MOUSEWHEEL    4934 src/w32fns.c       case WM_MOUSEWHEEL:
WM_MOUSEWHEEL    5494 src/w32term.c  	case WM_MOUSEWHEEL:
WM_MOUSEWHEEL    5956 src/w32term.c  	      msg.msg.message = WM_MOUSEWHEEL;
WM_MOUSEWHEEL     644 src/w32term.h  #ifndef WM_MOUSEWHEEL
WM_MOUSEWHEEL     651 src/w32term.h  #define WM_XBUTTONDOWN                 (WM_MOUSEWHEEL + 1)
WM_MOUSEWHEEL     652 src/w32term.h  #define WM_XBUTTONUP                   (WM_MOUSEWHEEL + 2)
WM_MOUSEWHEEL     655 src/w32term.h  #define WM_MOUSEHWHEEL                 (WM_MOUSEWHEEL + 4)