src/java.desktop/windows/native/libawt/windows/awt_Component.h

@@ -519,11 +519,11 @@
     virtual MsgRouting WmMouseDown(UINT flags, int x, int y, int button);
     virtual MsgRouting WmMouseUp(UINT flags, int x, int y, int button);
     virtual MsgRouting WmMouseMove(UINT flags, int x, int y);
     virtual MsgRouting WmMouseExit(UINT flags, int x, int y);
     virtual MsgRouting WmMouseWheel(UINT flags, int x, int y,
-                                    int wheelRotation);
+                                    int wheelRotation, BOOL hMouseWheel);
     virtual MsgRouting WmNcMouseDown(WPARAM hitTest, int x, int y, int button);
     virtual MsgRouting WmNcMouseUp(WPARAM hitTest, int x, int y, int button);
     virtual MsgRouting WmWindowPosChanging(LPARAM windowPos);
     virtual MsgRouting WmWindowPosChanged(LPARAM windowPos);