- wxCHECK_MSG(!(GetWindowStyle() & wxCB_SORT), -1, wxT("can't insert into sorted list"));
- wxCHECK_MSG(IsValidInsert(pos), -1, wxT("invalid index"));
-
- if (pos == GetCount())
- return DoAppend(item);
-
- GetLBox()->Insert(item, pos);
- return pos;