In my work with menu items, I was able to bring the OnMouseEnter method to the events, but not get it to work.
After digging a little deeper, I realized that the menu options are not aware of mouse events. Because they do not respond to the CM_MOUSEENTER method used to capture mouse events.
As far as I understand it's not possible to handle menu items, possibly an api of the OS, and mouse events with current standards!!!
If there is a mistake, I would be glad if the Masters corrected it. Respects.