set_submenu
Description:
public void set_submenu (
MenuModel? submenu)
Sets or unsets the "submenu" link of this 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.
Parameters:
| this |
a MenuItem
|
| submenu |
a MenuModel, or null
|