A menu item can be selected and entered under these conditions:
The item is enabled and, if it is a submenu item,
the item in the action bar associated with the submenu is enabled. If the
action bar item is not enabled, the user cannot display the submenu.
The item is enabled, and the submenu is displayed
and being tracked with the pointing device or keyboard. It is unlikely,
but possible, that the associated action bar is disabled in this instance.
TRUE
The
user can select and enter the specified item.
FALSE
The user cannot select and enter the
specified item.