MountMenu
class DeskbarMountMenu : public BPrivate::MountMenu {
: BPrivate::MountMenu(name)
BPrivate::MountMenu::AddDynamicItem(s);
fMountItem = Shortcuts()->MountItem(new MountMenu(Shortcuts()->MountLabel()));
MountMenu::MountMenu(const char* name)
MountMenu::AddDynamicItem(add_state)
class MountMenu : public BMenu {
MountMenu(const char*);