WM_MOUSEHWHEEL   4983 src/w32fns.c       case WM_MOUSEHWHEEL:
WM_MOUSEHWHEEL   3344 src/w32term.c    result->kind = msg->msg.message == WM_MOUSEHWHEEL ? HORIZ_WHEEL_EVENT
WM_MOUSEHWHEEL   5495 src/w32term.c          case WM_MOUSEHWHEEL:
WM_MOUSEHWHEEL    654 src/w32term.h  #ifndef WM_MOUSEHWHEEL