usshowsubmenu (USHORT)
Show submenu flag.
TRUE
Show the submenu (pull-down menu) of the selected
action bar item when the menu enters selection mode. If the action bar is
not visible, the submenu is shown, otherwise it is not shown. If the item
selected does not have a submenu, this parameter is ignored.
FALSE
Do not show the submenu (pull-down menu) of the
selected action bar item when the menu enters selection mode.
usresumemenu (USHORT)
Resume
menu mode flag.
TRUE
Resume the user interaction with the menu
from where it left off. The menu is assumed to have been used previously
and left without dismissing one of the submenus, and therefore is resumed
in that submenu.
FALSE
Begin
user interaction with the menu from the action bar, subject to the value
of the usshowsubmenu parameter.
ulReserved (ULONG)
Reserved
value, should be 0.
rc (BOOL)