Occurs when the menu item is clicked or selected using a shortcut key or access key defined for the menu item.

Occurs when the OwnerDraw property of a menu item is set to true and a request is made to draw the menu item.

Occurs when the menu needs to know the size of a menu item before drawing it.

Occurs before a menu item's list of menu items is displayed.

Occurs when the user places the pointer over a menu item.