-\twocolitem{\helpref{wxExpr}{wxexpr}}{A class for flexible I/O}
-\twocolitem{\helpref{wxExprDatabase}{wxexprdatabase}}{A class for flexible I/O}
-\twocolitem{\helpref{wxHashTable}{wxhashtable}}{A simple hash table implementation}
+%\twocolitem{\helpref{wxExpr}{wxexpr}}{A class for flexible I/O}
+%\twocolitem{\helpref{wxExprDatabase}{wxexprdatabase}}{A class for flexible I/O}
+\twocolitem{\helpref{wxArray}{wxarray}}{A dynamic array implementation}
+\twocolitem{\helpref{wxArrayString}{wxarraystring}}{An efficient container for storing \helpref{wxString}{wxstring} objects}
+\twocolitem{\helpref{wxHashMap}{wxhashmap}}{A simple hash map implementation}
+\twocolitem{\helpref{wxHashSet}{wxhashset}}{A simple hash set implementation}
+\twocolitem{\helpref{wxHashTable}{wxhashtable}}{A simple hash table implementation (deprecated, use wxHashMap)}