Expand
status_t Expand(bool expand);
void Expand(BListItem* item);
Expand(message);
void Expand(BMessage* message);
fListView->Expand(artistItem);
fListView->Expand(albumItem);
fListView->Expand(artistItem);
fSearchResults->Expand(listItem);
Expand(item);
Expand(item);
Expand(superItem);
fConventionsListView->Expand(currentToplevelItem);
fConventionsListView->Expand(superitem);
view->Expand(view->FullListItemAt(5));
view->Expand(view->FullListItemAt(5));
assert(myDeskbar->Expand(false) == B_OK);
assert(myDeskbar->Expand(true) == B_OK);