SetMenuBar
Handle mBarHandle ; handle leading to a menu list This installs a menu list (a list of handles to menus). It is used after reading
an 'MBAR' resource OR to reinstall a previously-saved menu bar.
mBa rHandle is a handle leading to an unnamed menu list structure containing
handles to all menus in a menu list. This is normally the handle of an
'MBAR' resource (GetNewMBar) or a handle obtained via