Method
GioMenuItemset_submenu
since: 2.32
Description
Sets or unsets the “submenu” link of menu_item to submenu.
If submenu is non-NULL, it is linked to. If it is NULL then the
link is unset.
The effect of having one menu appear as a submenu of another is exactly as it sounds.
Available since: 2.32
Parameters
submenu-
Type:
GMenuModelA
GMenuModel, orNULL.The argument can be NULL.The data is owned by the caller of the method.