h6. [[WindowManager]] h6(. » [[WindowManager Messages|Messages]] h6((. » [[Message Codes|Message Codes]] h6(((. » Message_MenuWarning h2. Message_MenuWarning h5. (Code &400C0) |_\2<^. Message Block | |>^. +20|<^. 'Sub-menu pointer' from menu item| |>^. +24|<^. X co-ordinate of top left new sub-menu| |>^. +28|<^. Y co-ordinate of top left new sub-menu| |>^. +32|<^. Selection list (same as [[Menu_Selection]])| h4. Use This message is received when the mouse pointer moves over the sub-menu arrow in a menu entry with the 'generate message' bit set. h4. Notes To determine which window or menu to open using [[Wimp_CreateSubMenu]], the 'sub-menu pointer' and/or the selection list can be used. The sub-menu that an application opens does not have to be the one passed via +20. However, if you wish the sub-menu to be re-opened when the Wimp recreates the menu the new handle should be stored at +20. h4. See also * [[Menu_Selection]] * [[Message Codes]] * [[Wimp_CreateSubMenu]] * [[Wimp_Poll]]