AddDynamicItem
virtual bool AddDynamicItem(add_state state);
BPrivate::MountMenu::AddDynamicItem(s);
virtual bool AddDynamicItem(add_state s);
if (AddDynamicItem(B_INITIAL_ADD)) {
AddDynamicItem(B_ABORT);
} while (AddDynamicItem(B_PROCESSING));
virtual bool AddDynamicItem(add_state state);
virtual bool AddDynamicItem(add_state state);
bool AddDynamicItem(add_state s);